PRE: Polymers http://pre.aps.org/ Recently published articles in Phys. Rev. E in the Table of Content section "Polymers" hourly 1 2012-02-10T21:05:31-05:00 rss@aps.org assocpub@aps.org 2012-02-10T21:05:31-05:00 en Copyright © 2012 the American Physical Society. Personal use only, all commercial or other reuse prohibited Copyright © 2012 the American Physical Society assocpub@aps.org Slow knot formation by suppressed self-reptation in a collapsed polymer chain http://link.aps.org/doi/10.1103/PhysRevE.85.021802 Author(s): Mitsuo Nakata, Yoshiki Nakamura, Naoki Sasaki, and Yasuyuki Maki<br/><p>Chain-expansion processes from knotted globules have been measured for poly(methyl methacrylate) (PMMA) in the mixed solvent tert-butyl alcohol (TBA) <span>+</span> water (2.5 vol <span>%</span>) by static light scattering. The solution was quenched from the <span><span style="font-style: italic;">Θ</span></span> temperature of 41.5 <span><sup>∘</sup></span>C to 37.0 <span><sup>∘</sup></span>C, aged there for a time period <span><span style="font-style: italic;">t</span><sub>...</sub></span></p><br/>[Phys. Rev. E 85, 021802] Published Fri Feb 10, 2012 Author(s): Mitsuo Nakata, Yoshiki Nakamura, Naoki Sasaki, and Yasuyuki Maki

Chain-expansion processes from knotted globules have been measured for poly(methyl methacrylate) (PMMA) in the mixed solvent tert-butyl alcohol (TBA) + water (2.5 vol %) by static light scattering. The solution was quenched from the Θ temperature of 41.5 ∘C to 37.0 ∘C, aged there for a time period t...

[Phys. Rev. E 85, 021802] Published Fri Feb 10, 2012

]]> Slow knot formation by suppressed self-reptation in a collapsed polymer chain Mitsuo Nakata, Yoshiki Nakamura, Naoki Sasaki, and Yasuyuki Maki 2012-02-10T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.85.021802 Phys. Rev. E 85, 021802 (2012) article Physical Review E 85 2 2012-02-10T10:00:00-05:00 10.1103/PhysRevE.85.021802 http://link.aps.org/doi/10.1103/PhysRevE.85.021802 021802 Polymers Polymers Nonlinear effective-medium theory of disordered spring networks http://link.aps.org/doi/10.1103/PhysRevE.85.021801 Author(s): M. Sheinman, C. P. Broedersz, and F. C. MacKintosh<br/><p>Disordered soft materials, such as fibrous networks in biological contexts, exhibit a nonlinear elastic response. We study such nonlinear behavior with a minimal model for networks on lattice geometries with simple Hookian elements with disordered spring constant. By developing a mean-field approach...</p><br/>[Phys. Rev. E 85, 021801] Published Wed Feb 08, 2012 Author(s): M. Sheinman, C. P. Broedersz, and F. C. MacKintosh

Disordered soft materials, such as fibrous networks in biological contexts, exhibit a nonlinear elastic response. We study such nonlinear behavior with a minimal model for networks on lattice geometries with simple Hookian elements with disordered spring constant. By developing a mean-field approach...

[Phys. Rev. E 85, 021801] Published Wed Feb 08, 2012

]]> Nonlinear effective-medium theory of disordered spring networks M. Sheinman, C. P. Broedersz, and F. C. MacKintosh 2012-02-08T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.85.021801 Phys. Rev. E 85, 021801 (2012) article Physical Review E 85 2 2012-02-08T10:00:00-05:00 10.1103/PhysRevE.85.021801 http://link.aps.org/doi/10.1103/PhysRevE.85.021801 021801 Polymers Polymers Comparison of the kinetic friction of planar neutral and polyelectrolyte polymer brushes using molecular dynamics simulations http://link.aps.org/doi/10.1103/PhysRevE.85.011801 Author(s): Yangpeng Ou, Jeffrey B. Sokoloff, and Mark J. Stevens<br/><p>We have simulated the relative shear motion of both neutral and polyelectrolyte end-grafted polymer brushes using molecular dynamics. The flexible neutral polymer brush is treated as a bead-spring model, and the polyelectrolyte brush is treated the same way except that each bead is charged and there...</p><br/>[Phys. Rev. E 85, 011801] Published Fri Jan 06, 2012 Author(s): Yangpeng Ou, Jeffrey B. Sokoloff, and Mark J. Stevens

We have simulated the relative shear motion of both neutral and polyelectrolyte end-grafted polymer brushes using molecular dynamics. The flexible neutral polymer brush is treated as a bead-spring model, and the polyelectrolyte brush is treated the same way except that each bead is charged and there...

[Phys. Rev. E 85, 011801] Published Fri Jan 06, 2012

]]> Comparison of the kinetic friction of planar neutral and polyelectrolyte polymer brushes using molecular dynamics simulations Yangpeng Ou, Jeffrey B. Sokoloff, and Mark J. Stevens 2012-01-06T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.85.011801 Phys. Rev. E 85, 011801 (2012) article Physical Review E 85 1 2012-01-06T10:00:00-05:00 10.1103/PhysRevE.85.011801 http://link.aps.org/doi/10.1103/PhysRevE.85.011801 011801 Polymers Polymers Aggregation kinetics of a simulated telechelic polymer http://link.aps.org/doi/10.1103/PhysRevE.84.061801 Author(s): Mark Wilson, Avinoam Rabinovitch, and Arlette R. C. Baljon<br/><p>We investigate the aggregation kinetics of a simulated telechelic polymer gel. In the hybrid molecular dynamics (MD)/Monte Carlo (MC) algorithm, aggregates of associating end groups form and break according to MC rules, while the position of the polymers in space is dictated by MD. As a result, the ...</p><br/>[Phys. Rev. E 84, 061801] Published Mon Dec 05, 2011 Author(s): Mark Wilson, Avinoam Rabinovitch, and Arlette R. C. Baljon

We investigate the aggregation kinetics of a simulated telechelic polymer gel. In the hybrid molecular dynamics (MD)/Monte Carlo (MC) algorithm, aggregates of associating end groups form and break according to MC rules, while the position of the polymers in space is dictated by MD. As a result, the ...

[Phys. Rev. E 84, 061801] Published Mon Dec 05, 2011

]]> Aggregation kinetics of a simulated telechelic polymer Mark Wilson, Avinoam Rabinovitch, and Arlette R. C. Baljon 2011-12-05T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.84.061801 Phys. Rev. E 84, 061801 (2011) article Physical Review E 84 6 2011-12-05T10:00:00-05:00 10.1103/PhysRevE.84.061801 http://link.aps.org/doi/10.1103/PhysRevE.84.061801 061801 Polymers Polymers Simulating flexible polymers in a potential of randomly distributed hard disks http://link.aps.org/doi/10.1103/PhysRevE.84.051805 Author(s): Sebastian Schöbl, Johannes Zierenberg, and Wolfhard Janke<br/><p>We perform equilibrium computer simulations of a two-dimensional pinned flexible polymer exposed to a quenched disorder potential consisting of hard disks. We are especially interested in the high-density regime of the disorder, where subtle structures such as cavities and channels play a central ro...</p><br/>[Phys. Rev. E 84, 051805] Published Mon Nov 28, 2011 Author(s): Sebastian Schöbl, Johannes Zierenberg, and Wolfhard Janke

We perform equilibrium computer simulations of a two-dimensional pinned flexible polymer exposed to a quenched disorder potential consisting of hard disks. We are especially interested in the high-density regime of the disorder, where subtle structures such as cavities and channels play a central ro...

[Phys. Rev. E 84, 051805] Published Mon Nov 28, 2011

]]> Simulating flexible polymers in a potential of randomly distributed hard disks Sebastian Schöbl, Johannes Zierenberg, and Wolfhard Janke 2011-11-28T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.84.051805 Phys. Rev. E 84, 051805 (2011) article Physical Review E 84 5 2011-11-28T10:00:00-05:00 10.1103/PhysRevE.84.051805 http://link.aps.org/doi/10.1103/PhysRevE.84.051805 051805 Polymers Polymers Numerical simulation methods for the Rouse model in flow http://link.aps.org/doi/10.1103/PhysRevE.84.051804 Author(s): Michael P. Howard and Scott T. Milner<br/><p>Simulation of the Rouse model in flow underlies a great variety of numerical investigations of polymer dynamics, in both entangled melts and solutions and in dilute solution. Typically a simple explicit stochastic Euler method is used to evolve the Rouse model. Here we compare this approach to an op...</p><br/>[Phys. Rev. E 84, 051804] Published Mon Nov 28, 2011 Author(s): Michael P. Howard and Scott T. Milner

Simulation of the Rouse model in flow underlies a great variety of numerical investigations of polymer dynamics, in both entangled melts and solutions and in dilute solution. Typically a simple explicit stochastic Euler method is used to evolve the Rouse model. Here we compare this approach to an op...

[Phys. Rev. E 84, 051804] Published Mon Nov 28, 2011

]]> Numerical simulation methods for the Rouse model in flow Michael P. Howard and Scott T. Milner 2011-11-28T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.84.051804 Phys. Rev. E 84, 051804 (2011) article Physical Review E 84 5 2011-11-28T10:00:00-05:00 10.1103/PhysRevE.84.051804 http://link.aps.org/doi/10.1103/PhysRevE.84.051804 051804 Polymers Polymers Measurement of the skin layer in the drying process of a polymer solution http://link.aps.org/doi/10.1103/PhysRevE.84.051803 Author(s): Yuji Shimokawa, Tadashi Kajiya, Keiji Sakai, and Masao Doi<br/><p>When a polymer solution is dried in air, a polymer-concentrated region, called a “skin” layer, often appears near the surface. In this paper, an experimental method is proposed for detecting the initial process of the formation of the skin layer. An electric field is applied on the surface of polyme...</p><br/>[Phys. Rev. E 84, 051803] Published Fri Nov 04, 2011 Author(s): Yuji Shimokawa, Tadashi Kajiya, Keiji Sakai, and Masao Doi

When a polymer solution is dried in air, a polymer-concentrated region, called a “skin” layer, often appears near the surface. In this paper, an experimental method is proposed for detecting the initial process of the formation of the skin layer. An electric field is applied on the surface of polyme...

[Phys. Rev. E 84, 051803] Published Fri Nov 04, 2011

]]> Measurement of the skin layer in the drying process of a polymer solution Yuji Shimokawa, Tadashi Kajiya, Keiji Sakai, and Masao Doi 2011-11-04T10:00:00-04:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.84.051803 Phys. Rev. E 84, 051803 (2011) article Physical Review E 84 5 2011-11-04T10:00:00-04:00 10.1103/PhysRevE.84.051803 http://link.aps.org/doi/10.1103/PhysRevE.84.051803 051803 Polymers Polymers Charge carrier dynamics and relaxation in (polyethylene oxide-lithium-salt)-based polymer electrolyte containing 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide as ionic liquid http://link.aps.org/doi/10.1103/PhysRevE.84.051802 Author(s): A. Karmakar and A. Ghosh<br/><p>In this paper we report the dynamics of charge carriers and relaxation in polymer electrolytes based on polyethylene oxide (PEO), lithium bis(trifluoromethylsulfonyl)imide (LiTFSI) and 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide (BMPTFSI) ionic liquid prepared by solution cast te...</p><br/>[Phys. Rev. E 84, 051802] Published Wed Nov 02, 2011 Author(s): A. Karmakar and A. Ghosh

In this paper we report the dynamics of charge carriers and relaxation in polymer electrolytes based on polyethylene oxide (PEO), lithium bis(trifluoromethylsulfonyl)imide (LiTFSI) and 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide (BMPTFSI) ionic liquid prepared by solution cast te...

[Phys. Rev. E 84, 051802] Published Wed Nov 02, 2011

]]> Charge carrier dynamics and relaxation in (polyethylene oxide-lithium-salt)-based polymer electrolyte containing 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide as ionic liquid A. Karmakar and A. Ghosh 2011-11-02T10:00:00-04:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.84.051802 Phys. Rev. E 84, 051802 (2011) article Physical Review E 84 5 2011-11-02T10:00:00-04:00 10.1103/PhysRevE.84.051802 http://link.aps.org/doi/10.1103/PhysRevE.84.051802 051802 Polymers Polymers Tube-width fluctuations of entangled stiff polymers http://link.aps.org/doi/10.1103/PhysRevE.84.051801 Author(s): Jens Glaser and Klaus Kroy<br/><p>The tubelike cages of stiff polymers in entangled solutions have been shown to exhibit characteristic spatial heterogeneities. We explain these observations by a systematic theory generalizing previous work by Morse [ <a href="http://dx.doi.org/10.1103/PhysRevE.63.031502"> Phys. Rev. E <span style="font-weight: bold;">63</span> 031502 (2001)</a>]. With a local version of the binary collision appr...</p><br/>[Phys. Rev. E 84, 051801] Published Tue Nov 01, 2011 Author(s): Jens Glaser and Klaus Kroy

The tubelike cages of stiff polymers in entangled solutions have been shown to exhibit characteristic spatial heterogeneities. We explain these observations by a systematic theory generalizing previous work by Morse [ Phys. Rev. E 63 031502 (2001)]. With a local version of the binary collision appr...

[Phys. Rev. E 84, 051801] Published Tue Nov 01, 2011

]]> Tube-width fluctuations of entangled stiff polymers Jens Glaser and Klaus Kroy 2011-11-01T10:00:00-04:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.84.051801 Phys. Rev. E 84, 051801 (2011) article Physical Review E 84 5 2011-11-01T10:00:00-04:00 10.1103/PhysRevE.84.051801 http://link.aps.org/doi/10.1103/PhysRevE.84.051801 051801 Polymers Polymers Orientational ordering transitions of semiflexible polymers in thin films: A Monte Carlo simulation http://link.aps.org/doi/10.1103/PhysRevE.84.041810 Author(s): V. A. Ivanov, A. S. Rodionova, E. A. An, J. A. Martemyanova, M. R. Stukan, M. Müller, W. Paul, and K. Binder<br/><p>Athermal solutions (from dilute to concentrated) of semiflexible macromolecules confined in a film of thickness <span><span style="font-style: italic;">D</span></span> between two hard walls are studied by means of grand-canonical lattice Monte Carlo simulation using the bond fluctuation model. This system exhibits two phase transitions as a function o...</p><br/>[Phys. Rev. E 84, 041810] Published Fri Oct 28, 2011 Author(s): V. A. Ivanov, A. S. Rodionova, E. A. An, J. A. Martemyanova, M. R. Stukan, M. Müller, W. Paul, and K. Binder

Athermal solutions (from dilute to concentrated) of semiflexible macromolecules confined in a film of thickness D between two hard walls are studied by means of grand-canonical lattice Monte Carlo simulation using the bond fluctuation model. This system exhibits two phase transitions as a function o...

[Phys. Rev. E 84, 041810] Published Fri Oct 28, 2011

]]> Orientational ordering transitions of semiflexible polymers in thin films: A Monte Carlo simulation V. A. Ivanov, A. S. Rodionova, E. A. An, J. A. Martemyanova, M. R. Stukan, M. Müller, W. Paul, and K. Binder 2011-10-28T10:00:00-04:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.84.041810 Phys. Rev. E 84, 041810 (2011) article Physical Review E 84 4 2011-10-28T10:00:00-04:00 10.1103/PhysRevE.84.041810 http://link.aps.org/doi/10.1103/PhysRevE.84.041810 041810 Polymers Polymers Coil-bridge transition and Monte Carlo simulation of a stretched polymer http://link.aps.org/doi/10.1103/PhysRevE.84.041809 Author(s): Jeff Z. Y. Chen<br/><p>The structure of the system consisting of a grafted self-avoiding polymer chain attracted to the surface layer of a flat wall at a distance away by a short-ranged force is investigated. A first-order transition is determined between the coil state at a low attraction energy and the bridge state at a...</p><br/>[Phys. Rev. E 84, 041809] Published Tue Oct 25, 2011 Author(s): Jeff Z. Y. Chen

The structure of the system consisting of a grafted self-avoiding polymer chain attracted to the surface layer of a flat wall at a distance away by a short-ranged force is investigated. A first-order transition is determined between the coil state at a low attraction energy and the bridge state at a...

[Phys. Rev. E 84, 041809] Published Tue Oct 25, 2011

]]> Coil-bridge transition and Monte Carlo simulation of a stretched polymer Jeff Z. Y. Chen 2011-10-25T10:00:00-04:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.84.041809 Phys. Rev. E 84, 041809 (2011) article Physical Review E 84 4 2011-10-25T10:00:00-04:00 10.1103/PhysRevE.84.041809 http://link.aps.org/doi/10.1103/PhysRevE.84.041809 041809 Polymers Polymers Glass transition dynamics of stacked thin polymer films http://link.aps.org/doi/10.1103/PhysRevE.84.041808 Author(s): Koji Fukao, Takehide Terasawa, Yuto Oda, Kenji Nakamura, and Daisuke Tahara<br/><p>The glass transition dynamics of stacked thin films of polystyrene and poly(2-chlorostyrene) were investigated using differential scanning calorimetry and dielectric relaxation spectroscopy. The glass transition temperature <span><span style="font-style: italic;">T</span><sub><span style="font-style: italic;">g</span></sub></span> of as-stacked thin polystyrene films has a strong depression from that of...</p><br/>[Phys. Rev. E 84, 041808] Published Mon Oct 24, 2011 Author(s): Koji Fukao, Takehide Terasawa, Yuto Oda, Kenji Nakamura, and Daisuke Tahara

The glass transition dynamics of stacked thin films of polystyrene and poly(2-chlorostyrene) were investigated using differential scanning calorimetry and dielectric relaxation spectroscopy. The glass transition temperature Tg of as-stacked thin polystyrene films has a strong depression from that of...

[Phys. Rev. E 84, 041808] Published Mon Oct 24, 2011

]]> Glass transition dynamics of stacked thin polymer films Koji Fukao, Takehide Terasawa, Yuto Oda, Kenji Nakamura, and Daisuke Tahara 2011-10-24T10:00:00-04:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.84.041808 Phys. Rev. E 84, 041808 (2011) article Physical Review E 84 4 2011-10-24T10:00:00-04:00 10.1103/PhysRevE.84.041808 http://link.aps.org/doi/10.1103/PhysRevE.84.041808 041808 Polymers Polymers Self-assembly of (A-comb-C)-b-(B-comb-C) diblock copolymer-based comb copolymers http://link.aps.org/doi/10.1103/PhysRevE.84.041807 Author(s): V. Markov, A. Subbotin, and G. ten Brinke<br/><p>The phase behavior of (<span><span style="font-style: italic;">A</span></span>-comb-<span><span style="font-style: italic;">C</span></span>)-<span><span style="font-style: italic;">b</span></span>-(<span><span style="font-style: italic;">B</span></span>-comb-<span><span style="font-style: italic;">C</span></span>) diblock copolymer melts is investigated using the strong segregation theory approach. Three different regimes are distinguished. In regime 1 both disordered comb blocks are microphase separated from each other, in regime 2 the side chains <span><span style="font-style: italic;">C</span></span> are microphas...</p><br/>[Phys. Rev. E 84, 041807] Published Thu Oct 20, 2011 Author(s): V. Markov, A. Subbotin, and G. ten Brinke

The phase behavior of (A-comb-C)-b-(B-comb-C) diblock copolymer melts is investigated using the strong segregation theory approach. Three different regimes are distinguished. In regime 1 both disordered comb blocks are microphase separated from each other, in regime 2 the side chains C are microphas...

[Phys. Rev. E 84, 041807] Published Thu Oct 20, 2011

]]> Self-assembly of (A-comb-C)-b-(B-comb-C) diblock copolymer-based comb copolymers V. Markov, A. Subbotin, and G. ten Brinke 2011-10-20T10:00:00-04:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.84.041807 Phys. Rev. E 84, 041807 (2011) article Physical Review E 84 4 2011-10-20T10:00:00-04:00 10.1103/PhysRevE.84.041807 http://link.aps.org/doi/10.1103/PhysRevE.84.041807 041807 Polymers Polymers Polymer dynamics in semidilute solution during electrospinning: A simple model and experimental observations http://link.aps.org/doi/10.1103/PhysRevE.84.041806 Author(s): Israel Greenfeld, Arkadii Arinstein, Kamel Fezzaa, Miriam H. Rafailovich, and Eyal Zussman<br/><p>Electrospun polymer nanofibers demonstrate outstanding mechanical and thermodynamic properties as compared to macroscopic-scale structures. Our previous work has demonstrated that these features are attributed to nanofiber microstructure [ <a href="http://dx.doi.org/10.1038/nnano.2006.172"> Nat. Nanotechnol. <span style="font-weight: bold;">2</span> 59 (2007)</a>]. It is clear that this micro...</p><br/>[Phys. Rev. E 84, 041806] Published Fri Oct 14, 2011 Author(s): Israel Greenfeld, Arkadii Arinstein, Kamel Fezzaa, Miriam H. Rafailovich, and Eyal Zussman

Electrospun polymer nanofibers demonstrate outstanding mechanical and thermodynamic properties as compared to macroscopic-scale structures. Our previous work has demonstrated that these features are attributed to nanofiber microstructure [ Nat. Nanotechnol. 2 59 (2007)]. It is clear that this micro...

[Phys. Rev. E 84, 041806] Published Fri Oct 14, 2011

]]> Polymer dynamics in semidilute solution during electrospinning: A simple model and experimental observations Israel Greenfeld, Arkadii Arinstein, Kamel Fezzaa, Miriam H. Rafailovich, and Eyal Zussman 2011-10-14T10:00:00-04:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.84.041806 Phys. Rev. E 84, 041806 (2011) article Physical Review E 84 4 2011-10-14T10:00:00-04:00 10.1103/PhysRevE.84.041806 http://link.aps.org/doi/10.1103/PhysRevE.84.041806 041806 Polymers Polymers Viscosity measurements of thin polymer films from reflow of spatially modulated nanoimprinted patterns http://link.aps.org/doi/10.1103/PhysRevE.84.041805 Author(s): Etienne Rognin, Stefan Landis, and Laurent Davoust<br/><p>We present a method to measure the viscosity of polymer thin films. The material is spin coated onto a silicon substrate and specially designed nanopatterns are imprinted on the film using thermal nanoimprint. A brief reflow is performed during which patterns flow under surface tension. Spectral den...</p><br/>[Phys. Rev. E 84, 041805] Published Fri Oct 14, 2011 Author(s): Etienne Rognin, Stefan Landis, and Laurent Davoust

We present a method to measure the viscosity of polymer thin films. The material is spin coated onto a silicon substrate and specially designed nanopatterns are imprinted on the film using thermal nanoimprint. A brief reflow is performed during which patterns flow under surface tension. Spectral den...

[Phys. Rev. E 84, 041805] Published Fri Oct 14, 2011

]]> Viscosity measurements of thin polymer films from reflow of spatially modulated nanoimprinted patterns Etienne Rognin, Stefan Landis, and Laurent Davoust 2011-10-14T10:00:00-04:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.84.041805 Phys. Rev. E 84, 041805 (2011) article Physical Review E 84 4 2011-10-14T10:00:00-04:00 10.1103/PhysRevE.84.041805 http://link.aps.org/doi/10.1103/PhysRevE.84.041805 041805 Polymers Polymers Theory of the polyelectrolyte dielectric function http://link.aps.org/doi/10.1103/PhysRevE.84.041804 Author(s): C.-Y. David Lu<br/><p>A simple double-layer polarization theory is developed for the flexible polyelectrolyte solution. Under the applied electric field, the double layer of the polyelectrolyte induces the excess line fluxes of charge and salt within the double layer. The off-diagonal Onsager coefficient couples the char...</p><br/>[Phys. Rev. E 84, 041804] Published Thu Oct 13, 2011 Author(s): C.-Y. David Lu

A simple double-layer polarization theory is developed for the flexible polyelectrolyte solution. Under the applied electric field, the double layer of the polyelectrolyte induces the excess line fluxes of charge and salt within the double layer. The off-diagonal Onsager coefficient couples the char...

[Phys. Rev. E 84, 041804] Published Thu Oct 13, 2011

]]> Theory of the polyelectrolyte dielectric function C.-Y. David Lu 2011-10-13T10:00:00-04:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.84.041804 Phys. Rev. E 84, 041804 (2011) article Physical Review E 84 4 2011-10-13T10:00:00-04:00 10.1103/PhysRevE.84.041804 http://link.aps.org/doi/10.1103/PhysRevE.84.041804 041804 Polymers Polymers Dependence of the disorder-lamellar stability boundary of a melt of asymmetric wormlike AB diblock copolymers on the chain rigidity http://link.aps.org/doi/10.1103/PhysRevE.84.041803 Author(s): Ying Jiang, Wu-Yang Zhang, and Jeff Z. Y. Chen<br/><p>We study the disorder-order transition boundary of wormlile <span><span style="font-style: italic;">A</span><span style="font-style: italic;">B</span></span> diblock copolymers on the basis of the wormlike chain formalism aided by a self-consistent mean-field treatment. We examine the influence of the persistency on the phase diagram and properties of the phase transition as a function of the...</p><br/>[Phys. Rev. E 84, 041803] Published Thu Oct 13, 2011 Author(s): Ying Jiang, Wu-Yang Zhang, and Jeff Z. Y. Chen

We study the disorder-order transition boundary of wormlile AB diblock copolymers on the basis of the wormlike chain formalism aided by a self-consistent mean-field treatment. We examine the influence of the persistency on the phase diagram and properties of the phase transition as a function of the...

[Phys. Rev. E 84, 041803] Published Thu Oct 13, 2011

]]> Dependence of the disorder-lamellar stability boundary of a melt of asymmetric wormlike AB diblock copolymers on the chain rigidity Ying Jiang, Wu-Yang Zhang, and Jeff Z. Y. Chen 2011-10-13T10:00:00-04:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.84.041803 Phys. Rev. E 84, 041803 (2011) article Physical Review E 84 4 2011-10-13T10:00:00-04:00 10.1103/PhysRevE.84.041803 http://link.aps.org/doi/10.1103/PhysRevE.84.041803 041803 Polymers Polymers Polymer-induced entropic depletion potential http://link.aps.org/doi/10.1103/PhysRevE.84.041802 Author(s): Xue-Zheng Cao, Holger Merlitz, Chen-Xu Wu, and Jens-Uwe Sommer<br/><p>We study the effective interactions between nanoparticles immersed in an athermal polymer solution using Molecular dynamics. The directly measured polymer-induced depletion forces are well described with a scaling model in which the attraction between particles is caused by the depletion of concentr...</p><br/>[Phys. Rev. E 84, 041802] Published Wed Oct 12, 2011 Author(s): Xue-Zheng Cao, Holger Merlitz, Chen-Xu Wu, and Jens-Uwe Sommer

We study the effective interactions between nanoparticles immersed in an athermal polymer solution using Molecular dynamics. The directly measured polymer-induced depletion forces are well described with a scaling model in which the attraction between particles is caused by the depletion of concentr...

[Phys. Rev. E 84, 041802] Published Wed Oct 12, 2011

]]> Polymer-induced entropic depletion potential Xue-Zheng Cao, Holger Merlitz, Chen-Xu Wu, and Jens-Uwe Sommer 2011-10-12T10:00:00-04:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.84.041802 Phys. Rev. E 84, 041802 (2011) article Physical Review E 84 4 2011-10-12T10:00:00-04:00 10.1103/PhysRevE.84.041802 http://link.aps.org/doi/10.1103/PhysRevE.84.041802 041802 Polymers Polymers Thermodynamic treatment of polymer thin-film glasses http://link.aps.org/doi/10.1103/PhysRevE.84.041801 Author(s): Ronald P. White and Jane E. G. Lipson<br/><p>We propose a new, simple, thermodynamically based model in order to study the effect of film thickness on the glass transition of a polymer. The model equation of state incorporates the effect of a free surface by accounting for missing interactions, and is parametrized using experimental data for b...</p><br/>[Phys. Rev. E 84, 041801] Published Mon Oct 03, 2011 Author(s): Ronald P. White and Jane E. G. Lipson

We propose a new, simple, thermodynamically based model in order to study the effect of film thickness on the glass transition of a polymer. The model equation of state incorporates the effect of a free surface by accounting for missing interactions, and is parametrized using experimental data for b...

[Phys. Rev. E 84, 041801] Published Mon Oct 03, 2011

]]> Thermodynamic treatment of polymer thin-film glasses Ronald P. White and Jane E. G. Lipson 2011-10-03T10:00:00-04:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.84.041801 Phys. Rev. E 84, 041801 (2011) article Physical Review E 84 4 2011-10-03T10:00:00-04:00 10.1103/PhysRevE.84.041801 http://link.aps.org/doi/10.1103/PhysRevE.84.041801 041801 Polymers Polymers Thermodynamics of polymer adsorption to a flexible membrane http://link.aps.org/doi/10.1103/PhysRevE.84.031803 Author(s): Steffen Karalus, Wolfhard Janke, and Michael Bachmann<br/><p>We analyze the structural behavior of a single polymer chain grafted to an attractive, flexible surface. Our model is composed of a coarse-grained bead-and-spring polymer and a tethered membrane. By means of extensive parallel tempering Monte Carlo simulations it is shown that the system exhibits a ...</p><br/>[Phys. Rev. E 84, 031803] Published Wed Sep 21, 2011 Author(s): Steffen Karalus, Wolfhard Janke, and Michael Bachmann

We analyze the structural behavior of a single polymer chain grafted to an attractive, flexible surface. Our model is composed of a coarse-grained bead-and-spring polymer and a tethered membrane. By means of extensive parallel tempering Monte Carlo simulations it is shown that the system exhibits a ...

[Phys. Rev. E 84, 031803] Published Wed Sep 21, 2011

]]> Thermodynamics of polymer adsorption to a flexible membrane Steffen Karalus, Wolfhard Janke, and Michael Bachmann 2011-09-21T10:00:00-04:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.84.031803 Phys. Rev. E 84, 031803 (2011) article Physical Review E 84 3 2011-09-21T10:00:00-04:00 10.1103/PhysRevE.84.031803 http://link.aps.org/doi/10.1103/PhysRevE.84.031803 031803 Polymers Polymers Interfacial properties of polystyrene thin films as revealed by neutron reflectivity http://link.aps.org/doi/10.1103/PhysRevE.84.031802 Author(s): Rintaro Inoue, Kazuko Kawashima, Kazuya Matsui, Makoto Nakamura, Koji Nishida, Toshiji Kanaya, and Norifumi L. Yamada<br/><p>We have studied the glass transition temperature (<span><span style="font-style: italic;">T</span><sub><span style="font-style: italic;">g</span></sub></span>) and molecular mobility of polystyrene (PS) thin films near the interface between the polymer thin film and substrate with bilayer thin films consisting of surface hydrogenated PS (h-PS) and bottom deuterated PS (d-PS) using neutron reflectivity. ...</p><br/>[Phys. Rev. E 84, 031802] Published Fri Sep 16, 2011 Author(s): Rintaro Inoue, Kazuko Kawashima, Kazuya Matsui, Makoto Nakamura, Koji Nishida, Toshiji Kanaya, and Norifumi L. Yamada

We have studied the glass transition temperature (Tg) and molecular mobility of polystyrene (PS) thin films near the interface between the polymer thin film and substrate with bilayer thin films consisting of surface hydrogenated PS (h-PS) and bottom deuterated PS (d-PS) using neutron reflectivity. ...

[Phys. Rev. E 84, 031802] Published Fri Sep 16, 2011

]]> Interfacial properties of polystyrene thin films as revealed by neutron reflectivity Rintaro Inoue, Kazuko Kawashima, Kazuya Matsui, Makoto Nakamura, Koji Nishida, Toshiji Kanaya, and Norifumi L. Yamada 2011-09-16T10:00:00-04:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.84.031802 Phys. Rev. E 84, 031802 (2011) article Physical Review E 84 3 2011-09-16T10:00:00-04:00 10.1103/PhysRevE.84.031802 http://link.aps.org/doi/10.1103/PhysRevE.84.031802 031802 Polymers Polymers First-principle approach to rescale the dynamics of simulated coarse-grained macromolecular liquids http://link.aps.org/doi/10.1103/PhysRevE.84.031801 Author(s): I. Lyubimov and M. G. Guenza<br/><p>We present a detailed derivation and testing of our approach to rescale the dynamics of mesoscale simulations of coarse-grained polymer melts ( I. Y. Lyubimov, J. McCarty, A. Clark and M. G. Guenza <a href="http://dx.doi.org/10.1063/1.3450301"> J. Chem. Phys. <span style="font-weight: bold;">132</span> 224903 (2010)</a>). Starting from the first-principle Liouville equation and applying ...</p><br/>[Phys. Rev. E 84, 031801] Published Tue Sep 13, 2011 Author(s): I. Lyubimov and M. G. Guenza

We present a detailed derivation and testing of our approach to rescale the dynamics of mesoscale simulations of coarse-grained polymer melts ( I. Y. Lyubimov, J. McCarty, A. Clark and M. G. Guenza J. Chem. Phys. 132 224903 (2010)). Starting from the first-principle Liouville equation and applying ...

[Phys. Rev. E 84, 031801] Published Tue Sep 13, 2011

]]> First-principle approach to rescale the dynamics of simulated coarse-grained macromolecular liquids I. Lyubimov and M. G. Guenza 2011-09-13T10:00:00-04:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.84.031801 Phys. Rev. E 84, 031801 (2011) article Physical Review E 84 3 2011-09-13T10:00:00-04:00 10.1103/PhysRevE.84.031801 http://link.aps.org/doi/10.1103/PhysRevE.84.031801 031801 Polymers Polymers Phase behavior and structure of stable complexes between a long polyanion and a branched polycation http://link.aps.org/doi/10.1103/PhysRevE.84.021805 Author(s): Valentina Mengarelli, Mehdi Zeghal, Loïc Auvray, and Daniel Clemens<br/><p>The association between oppositely charged branched polyethylenimine (BPEI) and polymethacrylic acid (PMA) in the dilute regime is investigated using turbidimetric titration and electrophoretic mobility measurements. The complexation is controlled by tuning continuously the pH-sensitive charge of th...</p><br/>[Phys. Rev. E 84, 021805] Published Tue Aug 30, 2011 Author(s): Valentina Mengarelli, Mehdi Zeghal, Loïc Auvray, and Daniel Clemens

The association between oppositely charged branched polyethylenimine (BPEI) and polymethacrylic acid (PMA) in the dilute regime is investigated using turbidimetric titration and electrophoretic mobility measurements. The complexation is controlled by tuning continuously the pH-sensitive charge of th...

[Phys. Rev. E 84, 021805] Published Tue Aug 30, 2011

]]> Phase behavior and structure of stable complexes between a long polyanion and a branched polycation Valentina Mengarelli, Mehdi Zeghal, Loïc Auvray, and Daniel Clemens 2011-08-30T10:00:00-04:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.84.021805 Phys. Rev. E 84, 021805 (2011) article Physical Review E 84 2 2011-08-30T10:00:00-04:00 10.1103/PhysRevE.84.021805 http://link.aps.org/doi/10.1103/PhysRevE.84.021805 021805 Polymers Polymers Conformation transitions of a polyelectrolyte chain: A replica-exchange Monte-Carlo study http://link.aps.org/doi/10.1103/PhysRevE.84.021804 Author(s): Peng Chi, Baohui Li, and An-Chang Shi<br/><p>The thermodynamic behavior of a strongly charged polyelectrolyte chain immersed in a salt-free solution is studied using replica-exchange Monte-Carlo simulations. The results reveal that the chain can assume a variety of conformations, and it undergoes two phase transitions upon cooling. The first t...</p><br/>[Phys. Rev. E 84, 021804] Published Wed Aug 10, 2011 Author(s): Peng Chi, Baohui Li, and An-Chang Shi

The thermodynamic behavior of a strongly charged polyelectrolyte chain immersed in a salt-free solution is studied using replica-exchange Monte-Carlo simulations. The results reveal that the chain can assume a variety of conformations, and it undergoes two phase transitions upon cooling. The first t...

[Phys. Rev. E 84, 021804] Published Wed Aug 10, 2011

]]> Conformation transitions of a polyelectrolyte chain: A replica-exchange Monte-Carlo study Peng Chi, Baohui Li, and An-Chang Shi 2011-08-10T10:00:00-04:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.84.021804 Phys. Rev. E 84, 021804 (2011) article Physical Review E 84 2 2011-08-10T10:00:00-04:00 10.1103/PhysRevE.84.021804 http://link.aps.org/doi/10.1103/PhysRevE.84.021804 021804 Polymers Polymers Shear-induced metastable states of end-grafted polystyrene http://link.aps.org/doi/10.1103/PhysRevE.84.021803 Author(s): Leslie A. Sasa, Eric J. Yearley, Michael S. Jablin, Robert D. Gilbertson, Adrienne S. Lavine, Jaroslaw Majewski, and Rex P. Hjelm<br/><p>The <span style="font-style: italic;">in situ</span> molecular scale response of end-grafted polystyrene to shear against a deuterated polystyrene melt was investigated with neutron reflectometry. The derived grafted polystyrene density profiles showed that the grafted polystyrene was retained on the quartz wafer during the measurements. T...</p><br/>[Phys. Rev. E 84, 021803] Published Fri Aug 05, 2011 Author(s): Leslie A. Sasa, Eric J. Yearley, Michael S. Jablin, Robert D. Gilbertson, Adrienne S. Lavine, Jaroslaw Majewski, and Rex P. Hjelm

The in situ molecular scale response of end-grafted polystyrene to shear against a deuterated polystyrene melt was investigated with neutron reflectometry. The derived grafted polystyrene density profiles showed that the grafted polystyrene was retained on the quartz wafer during the measurements. T...

[Phys. Rev. E 84, 021803] Published Fri Aug 05, 2011

]]> Shear-induced metastable states of end-grafted polystyrene Leslie A. Sasa, Eric J. Yearley, Michael S. Jablin, Robert D. Gilbertson, Adrienne S. Lavine, Jaroslaw Majewski, and Rex P. Hjelm 2011-08-05T10:00:00-04:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.84.021803 Phys. Rev. E 84, 021803 (2011) article Physical Review E 84 2 2011-08-05T10:00:00-04:00 10.1103/PhysRevE.84.021803 http://link.aps.org/doi/10.1103/PhysRevE.84.021803 021803 Polymers Polymers Constrained random-force model for weakly bending semiflexible polymers http://link.aps.org/doi/10.1103/PhysRevE.84.022801 Author(s): Panayotis Benetatos and Eugene M. Terentjev<br/><p>The random-force (Larkin) model of a directed elastic string subject to quenched random forces in the transverse directions has been a paradigm in the statistical physics of disordered systems. In this Brief Report, we investigate a modified version of the above model where the total transverse forc...</p><br/>[Phys. Rev. E 84, 022801] Published Thu Aug 04, 2011 Author(s): Panayotis Benetatos and Eugene M. Terentjev

The random-force (Larkin) model of a directed elastic string subject to quenched random forces in the transverse directions has been a paradigm in the statistical physics of disordered systems. In this Brief Report, we investigate a modified version of the above model where the total transverse forc...

[Phys. Rev. E 84, 022801] Published Thu Aug 04, 2011

]]> Constrained random-force model for weakly bending semiflexible polymers Panayotis Benetatos and Eugene M. Terentjev 2011-08-04T10:00:00-04:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.84.022801 Phys. Rev. E 84, 022801 (2011) article Physical Review E 84 2 2011-08-04T10:00:00-04:00 10.1103/PhysRevE.84.022801 http://link.aps.org/doi/10.1103/PhysRevE.84.022801 022801 Polymers Polymers Stretching and migration of DNA by solvent elasticity in an oscillatory flow http://link.aps.org/doi/10.1103/PhysRevE.84.021802 Author(s): Wei-Chang Lo, H. C. Hong, H. J. Choi, Pik-Yin Lai, and C. K. Chan<br/><p>A model with solution viscoelasticity is proposed to explain the ratchetlike stretching of DNA by a symmetric ac electric field in polymer solutions. In this model, DNA is stretched by the interaction between the fluid elasticity and the oscillatory flow induced by DNA. Predictions of the model are ...</p><br/>[Phys. Rev. E 84, 021802] Published Thu Aug 04, 2011 Author(s): Wei-Chang Lo, H. C. Hong, H. J. Choi, Pik-Yin Lai, and C. K. Chan

A model with solution viscoelasticity is proposed to explain the ratchetlike stretching of DNA by a symmetric ac electric field in polymer solutions. In this model, DNA is stretched by the interaction between the fluid elasticity and the oscillatory flow induced by DNA. Predictions of the model are ...

[Phys. Rev. E 84, 021802] Published Thu Aug 04, 2011

]]> Stretching and migration of DNA by solvent elasticity in an oscillatory flow Wei-Chang Lo, H. C. Hong, H. J. Choi, Pik-Yin Lai, and C. K. Chan 2011-08-04T10:00:00-04:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.84.021802 Phys. Rev. E 84, 021802 (2011) article Physical Review E 84 2 2011-08-04T10:00:00-04:00 10.1103/PhysRevE.84.021802 http://link.aps.org/doi/10.1103/PhysRevE.84.021802 021802 Polymers Polymers Biaxial deformations of rubber: A comparison between entanglement theory and elastic fluctuation theory http://link.aps.org/doi/10.1103/PhysRevE.84.021801 Author(s): Xiangjun Xing<br/><p>The classical theory of rubber elasticity fails in the regime of large deformation. The underlying physical mechanism has been under debate for a long time. In this work, we test the recently proposed mechanism of thermal elastic fluctuations by Xing, Goldbart, and Radzihovsky (XGR) against the biax...</p><br/>[Phys. Rev. E 84, 021801] Published Wed Aug 03, 2011 Author(s): Xiangjun Xing

The classical theory of rubber elasticity fails in the regime of large deformation. The underlying physical mechanism has been under debate for a long time. In this work, we test the recently proposed mechanism of thermal elastic fluctuations by Xing, Goldbart, and Radzihovsky (XGR) against the biax...

[Phys. Rev. E 84, 021801] Published Wed Aug 03, 2011

]]> Biaxial deformations of rubber: A comparison between entanglement theory and elastic fluctuation theory Xiangjun Xing 2011-08-03T10:00:00-04:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.84.021801 Phys. Rev. E 84, 021801 (2011) article Physical Review E 84 2 2011-08-03T10:00:00-04:00 10.1103/PhysRevE.84.021801 http://link.aps.org/doi/10.1103/PhysRevE.84.021801 021801 Polymers Polymers Field-theoretical approach to a dense polymer with an ideal binary mixture of clustering centers http://link.aps.org/doi/10.1103/PhysRevE.84.011808 Author(s): Riccardo Fantoni and Kristian K. Müller-Nedebock<br/><p>We propose a field-theoretical approach to a polymer system immersed in an ideal mixture of clustering centers. The system contains several species of these clustering centers with different functionality, each of which connects a fixed number segments of the chain to each other. The field theory is...</p><br/>[Phys. Rev. E 84, 011808] Published Fri Jul 29, 2011 Author(s): Riccardo Fantoni and Kristian K. Müller-Nedebock

We propose a field-theoretical approach to a polymer system immersed in an ideal mixture of clustering centers. The system contains several species of these clustering centers with different functionality, each of which connects a fixed number segments of the chain to each other. The field theory is...

[Phys. Rev. E 84, 011808] Published Fri Jul 29, 2011

]]> Field-theoretical approach to a dense polymer with an ideal binary mixture of clustering centers Riccardo Fantoni and Kristian K. Müller-Nedebock 2011-07-29T10:00:00-04:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.84.011808 Phys. Rev. E 84, 011808 (2011) article Physical Review E 84 1 2011-07-29T10:00:00-04:00 10.1103/PhysRevE.84.011808 http://link.aps.org/doi/10.1103/PhysRevE.84.011808 011808 Polymers Polymers Polymer segmental cross correlations from dielectric relaxation spectra of block copolymers http://link.aps.org/doi/10.1103/PhysRevE.84.011807 Author(s): George D. J. Phillies<br/><p>Dielectric relaxation spectra of solutions of block polymers containing sequential type-A dipoles are considered from a theoretical correlation-function standpoint. Spectra of a specific set of block copolymers can be combined to isolate the dynamic cross-correlation between the motions of two disti...</p><br/>[Phys. Rev. E 84, 011807] Published Mon Jul 25, 2011 Author(s): George D. J. Phillies

Dielectric relaxation spectra of solutions of block polymers containing sequential type-A dipoles are considered from a theoretical correlation-function standpoint. Spectra of a specific set of block copolymers can be combined to isolate the dynamic cross-correlation between the motions of two disti...

[Phys. Rev. E 84, 011807] Published Mon Jul 25, 2011

]]> Polymer segmental cross correlations from dielectric relaxation spectra of block copolymers George D. J. Phillies 2011-07-25T10:00:00-04:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.84.011807 Phys. Rev. E 84, 011807 (2011) article Physical Review E 84 1 2011-07-25T10:00:00-04:00 10.1103/PhysRevE.84.011807 http://link.aps.org/doi/10.1103/PhysRevE.84.011807 011807 Polymers Polymers