http://prd.aps.org/ Recent articles in Physical Review D en-us Copyright (c) 2009 The American Physical Society 2009-07-03T20:15:13-04:00 assocpub@aps.org rss@aps.org hourly 4 2009-07-03T20:15:13-04:00 rss@aps.org http://link.aps.org/doi/10.1103/PhysRevD.80.029901 Author(s): Kevin T. Engel, Keith S. Lee, and Mark B. Wise<br/>[Phys. Rev. D 80, 029901] Published Thu Jul 02, 2009 Kevin T. Engel, Keith S. Lee, and Mark B. Wise 2009-07-02T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.80.029901 Phys. Rev. D 80, 029901 text/html article Physical Review D 80 2 2009-07-02T00:00:00-04:00 029901 D15 D15 http://link.aps.org/doi/10.1103/PhysRevD.80.024002 Author(s): Marc Favata<br/>The Christodoulou memory is a nonlinear contribution to the gravitational-wave field that is sourced by the gravitational-wave stress-energy tensor. For quasicircular, inspiralling binaries, the Christodoulou memory produces a growing, nonoscillatory change in the gravitational-wave “plus” polar...<br/>[Phys. Rev. D 80, 024002] Published Thu Jul 02, 2009 Marc Favata 2009-07-02T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.80.024002 Phys. Rev. D 80, 024002 text/html article Physical Review D 80 2 2009-07-02T00:00:00-04:00 024002 D15 D15 http://link.aps.org/doi/10.1103/PhysRevD.80.024001 Author(s): Hayato Kawakami, Eiji Mitsuda, Yasusada Nambu, and Akira Tomimatsu<br/>In considering the gravitational collapse of matter, it is an important problem to clarify what kind of conditions leads to the formation of naked singularity. For this purpose, we apply the 1+3 orthonormal frame formalism introduced by Uggla et al. to the spherically symmetric gravitational collap...<br/>[Phys. Rev. D 80, 024001] Published Thu Jul 02, 2009 Hayato Kawakami, Eiji Mitsuda, Yasusada Nambu, and Akira Tomimatsu 2009-07-02T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.80.024001 Phys. Rev. D 80, 024001 text/html article Physical Review D 80 2 2009-07-02T00:00:00-04:00 024001 D15 D15 http://link.aps.org/doi/10.1103/PhysRevD.80.023502 Author(s): Michael P. Salem<br/>Arguably a major success of the landscape picture is the prediction of a small, nonzero vacuum energy density. The details of this prediction depend in part on how the diverging spacetime volume of the multiverse is regulated, a question that remains unresolved. One proposal, the causal diamond meas...<br/>[Phys. Rev. D 80, 023502] Published Thu Jul 02, 2009 Michael P. Salem 2009-07-02T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.80.023502 Phys. Rev. D 80, 023502 text/html article Physical Review D 80 2 2009-07-02T00:00:00-04:00 023502 D15 D15 http://link.aps.org/doi/10.1103/PhysRevD.80.023501 Author(s): Stephon Alexander and Tirthabir Biswas<br/>We provide a novel mechanism that resolves the big bang singularity present in Friedman-Lemaitre-Robertson-Walker space-times without the need for ghost fields. Building on the fact that a four-fermion interaction arises in general relativity when fermions are covariantly coupled, we show that at ea...<br/>[Phys. Rev. D 80, 023501] Published Thu Jul 02, 2009 Stephon Alexander and Tirthabir Biswas 2009-07-02T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.80.023501 Phys. Rev. D 80, 023501 text/html article Physical Review D 80 2 2009-07-02T00:00:00-04:00 023501 D15 D15 http://link.aps.org/doi/10.1103/PhysRevD.80.016001 Author(s): Csaba Csáki, Adam Falkowski, and Andreas Weiler<br/>We present a simple variation of warped flavor models where the hierarchies of fermion masses and mixings are still explained but dangerous flavor-violating effects in the Kaon sector are greatly reduced. The key new ingredients are two horizontal U(1) symmetries. These symmetries forbid flavor viol...<br/>[Phys. Rev. D 80, 016001] Published Thu Jul 02, 2009 Csaba Csáki, Adam Falkowski, and Andreas Weiler 2009-07-02T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.80.016001 Phys. Rev. D 80, 016001 text/html article Physical Review D 80 1 2009-07-02T00:00:00-04:00 016001 D1 D1 http://link.aps.org/doi/10.1103/PhysRevD.80.013001 Author(s): M. Anderlini, F. Marino, and F. Marin<br/>The next generation of gravitational wave (gw) detectors is expected to fully enter into the quantum regime of force and displacement detection. With this aim, it is important to scale up the experiments on opto-mechanical effects from the microscopic regime to large mass systems and test the scheme...<br/>[Phys. Rev. D 80, 013001] Published Thu Jul 02, 2009 M. Anderlini, F. Marino, and F. Marin 2009-07-02T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.80.013001 Phys. Rev. D 80, 013001 text/html article Physical Review D 80 1 2009-07-02T00:00:00-04:00 013001 D1 D1 http://link.aps.org/doi/10.1103/PhysRevD.79.125030 Author(s): B. Lucini and A. Patella<br/>In SU(N) gauge theories with fermions in the fundamental or in a two-index (either symmetric or antisymmetric) representation formulated on a manifold with at least one compact dimension with nontrivial holonomy the discrete symmetries C, P, and T are broken at small enough size of the compact direc...<br/>[Phys. Rev. D 79, 125030] Published Tue Jun 30, 2009 B. Lucini and A. Patella 2009-06-30T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.79.125030 Phys. Rev. D 79, 125030 text/html article Physical Review D 79 12 2009-06-30T00:00:00-04:00 125030 D15 D15 http://link.aps.org/doi/10.1103/PhysRevD.79.124048 Author(s): Guillermo A. González, Antonio C. Gutiérrez-Piñeres, and Viviana M. Viña-Cervantes<br/>An infinite family of new exact solutions of the vacuum Einstein equations is presented. The solutions are static and axially symmetric and correspond to an infinite family of thin dust disks with a central inner edge. The metric functions of all the solutions can be explicitly computed, and can be ...<br/>[Phys. Rev. D 79, 124048] Published Tue Jun 30, 2009 Guillermo A. González, Antonio C. Gutiérrez-Piñeres, and Viviana M. Viña-Cervantes 2009-06-30T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.79.124048 Phys. Rev. D 79, 124048 text/html article Physical Review D 79 12 2009-06-30T00:00:00-04:00 124048 D15 D15 http://link.aps.org/doi/10.1103/PhysRevD.79.124047 Author(s): Lydia Philpott, Fay Dowker, and Rafael D. Sorkin<br/>We study potentially observable consequences of spatiotemporal discreteness for the motion of massive and massless particles. First we describe some simple models for the motion of a massive point particle in a fixed causal set background. If the causal set is faithfully embeddable in Minkoswki spac...<br/>[Phys. Rev. D 79, 124047] Published Tue Jun 30, 2009 Lydia Philpott, Fay Dowker, and Rafael D. Sorkin 2009-06-30T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.79.124047 Phys. Rev. D 79, 124047 text/html article Physical Review D 79 12 2009-06-30T00:00:00-04:00 124047 D15 D15 http://link.aps.org/doi/10.1103/PhysRevD.79.124046 Author(s): P. Suranyi, C. Vaz, and L. C. Wijewardhana<br/>Black branes are studied in Einstein-Gauss-Bonnet gravity. Evaporation drives black branes toward one of two singularities depending on the sign of α, the Gauss-Bonnet coupling. For positive α and sufficiently large ratio sqrt[α] /L, where L/2π is the radius of compactification, black branes avo...<br/>[Phys. Rev. D 79, 124046] Published Tue Jun 30, 2009 P. Suranyi, C. Vaz, and L. C. Wijewardhana 2009-06-30T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.79.124046 Phys. Rev. D 79, 124046 text/html article Physical Review D 79 12 2009-06-30T00:00:00-04:00 124046 D15 D15 http://link.aps.org/doi/10.1103/PhysRevD.79.123528 Author(s): James A. Maxin, Van E. Mayes, and Dimitri V. Nanopoulos<br/>We calculate the direct dark matter detection spin-independent and proton spin-dependent cross sections for a semirealistic intersecting D6-brane model. The cross sections are compared to the latest constraints of the current dark matter direct detection experiments, as well as the projected results...<br/>[Phys. Rev. D 79, 123528] Published Tue Jun 30, 2009 James A. Maxin, Van E. Mayes, and Dimitri V. Nanopoulos 2009-06-30T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.79.123528 Phys. Rev. D 79, 123528 text/html article Physical Review D 79 12 2009-06-30T00:00:00-04:00 123528 D15 D15 http://link.aps.org/doi/10.1103/PhysRevD.79.115024 Author(s): Koichi Funakubo and Eibun Senaha<br/>The electroweak phase transition and the sphaleron decoupling condition in the minimal supersymmetric standard model are revisited taking the latest experimental data into account. The light Higgs boson scenario and the ordinary decoupling limit, which are classified by the relative size between the...<br/>[Phys. Rev. D 79, 115024] Published Tue Jun 30, 2009 Koichi Funakubo and Eibun Senaha 2009-06-30T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.79.115024 Phys. Rev. D 79, 115024 text/html article Physical Review D 79 11 2009-06-30T00:00:00-04:00 115024 D1 D1 http://link.aps.org/doi/10.1103/PhysRevD.79.125029 Author(s): Masud Chaichian, Subir Ghosh, Miklos Långvik, and Anca Tureanu<br/>Since the structure of space-time at very short distances is believed to get modified possibly due to noncommutativity effects and as the Dirac quantization condition, μe=N/2ℏc, probes the magnetic field point singularity, a natural question arises whether the same condition will still survive. W...<br/>[Phys. Rev. D 79, 125029] Published Mon Jun 29, 2009 Masud Chaichian, Subir Ghosh, Miklos Långvik, and Anca Tureanu 2009-06-29T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.79.125029 Phys. Rev. D 79, 125029 text/html article Physical Review D 79 12 2009-06-29T00:00:00-04:00 125029 D15 D15 http://link.aps.org/doi/10.1103/PhysRevD.79.124045 Author(s): P. P. Avelino, A. J. Hamilton, and C. A. Herdeiro<br/>A detailed nonlinear analysis of the internal structure of spherical, charged black holes that are accreting scalar matter is performed in the framework of the Brans-Dicke theory of gravity. We choose the lowest value of the Brans-Dicke parameter that is compatible with observational constraints. Fi...<br/>[Phys. Rev. D 79, 124045] Published Mon Jun 29, 2009 P. P. Avelino, A. J. Hamilton, and C. A. Herdeiro 2009-06-29T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.79.124045 Phys. Rev. D 79, 124045 text/html article Physical Review D 79 12 2009-06-29T00:00:00-04:00 124045 D15 D15 http://link.aps.org/doi/10.1103/PhysRevD.79.124044 Author(s): Marc Casals, Sam Dolan, Adrian C. Ottewill, and Barry Wardell<br/>We investigate the scalar Green function for spherically symmetric spacetimes expressed as a coordinate series expansion in the separation of the points. We calculate the series expansion of the function V(x,x^{′} ) appearing in the Hadamard parametrix of the scalar Green function to very high ord...<br/>[Phys. Rev. D 79, 124044] Published Mon Jun 29, 2009 Marc Casals, Sam Dolan, Adrian C. Ottewill, and Barry Wardell 2009-06-29T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.79.124044 Phys. Rev. D 79, 124044 text/html article Physical Review D 79 12 2009-06-29T00:00:00-04:00 124044 D15 D15 http://link.aps.org/doi/10.1103/PhysRevD.79.124043 Author(s): Marc Casals, Sam Dolan, Adrian C. Ottewill, and Barry Wardell<br/>Accurate modeling of gravitational wave emission by extreme-mass ratio inspirals is essential for their detection by the LISA mission. A leading perturbative approach involves the calculation of the self-force acting upon the smaller orbital body. In this work, we present the first application of th...<br/>[Phys. Rev. D 79, 124043] Published Mon Jun 29, 2009 Marc Casals, Sam Dolan, Adrian C. Ottewill, and Barry Wardell 2009-06-29T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.79.124043 Phys. Rev. D 79, 124043 text/html article Physical Review D 79 12 2009-06-29T00:00:00-04:00 124043 D15 D15 http://link.aps.org/doi/10.1103/PhysRevD.79.123527 Author(s): Constantinos Skordis<br/>General relativity is a phenomenologically successful theory that rests on firm foundations, but has not been tested on cosmological scales. The deep mystery of dark energy (and possibly even the requirement of cold dark matter), has increased the need for testing modifications to general relativity...<br/>[Phys. Rev. D 79, 123527] Published Mon Jun 29, 2009 Constantinos Skordis 2009-06-29T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.79.123527 Phys. Rev. D 79, 123527 text/html article Physical Review D 79 12 2009-06-29T00:00:00-04:00 123527 D15 D15 http://link.aps.org/doi/10.1103/PhysRevD.79.119903 Author(s): Güray Erkol and Makoto Oka<br/>[Phys. Rev. D 79, 119903] Published Mon Jun 29, 2009 Güray Erkol and Makoto Oka 2009-06-29T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.79.119903 Phys. Rev. D 79, 119903 text/html article Physical Review D 79 11 2009-06-29T00:00:00-04:00 119903 D1 D1 http://link.aps.org/doi/10.1103/PhysRevD.79.114505 Author(s): Takeshi Yamazaki, Yasumichi Aoki, Tom Blum, Huey-Wen Lin, Shigemi Ohta, Shoichi Sasaki, Robert Tweedie, and James Zanotti RBC and UKQCD Collaborations<br/>We report our numerical lattice QCD calculations of the isovector nucleon form factors for the vector and axial-vector currents: the vector, induced tensor, axial-vector, and induced pseudoscalar form factors. The calculation is carried out with the gauge configurations generated with N_{f} =2+1 dyn...<br/>[Phys. Rev. D 79, 114505] Published Mon Jun 29, 2009 Takeshi Yamazaki, Yasumichi Aoki, Tom Blum, Huey-Wen Lin, Shigemi Ohta, Shoichi Sasaki, Robert Tweedie, and James Zanotti RBC and UKQCD Collaborations 2009-06-29T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.79.114505 Phys. Rev. D 79, 114505 text/html article Physical Review D 79 11 2009-06-29T00:00:00-04:00 114505 D1 D1 http://link.aps.org/doi/10.1103/PhysRevD.79.114034 Author(s): Chun-Kun Jiao, Wei Chen, Hua-Xing Chen, and Shi-Lin Zhu<br/>In order to explore the possible existence of the exotic 0^{--} state, we have constructed the tetraquark interpolating operators systematically. As a byproduct, we notice the 0^{+-} tetraquark operators without derivatives do not exist. The special Lorentz structure of the 0^{--} currents forbids t...<br/>[Phys. Rev. D 79, 114034] Published Mon Jun 29, 2009 Chun-Kun Jiao, Wei Chen, Hua-Xing Chen, and Shi-Lin Zhu 2009-06-29T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.79.114034 Phys. Rev. D 79, 114034 text/html article Physical Review D 79 11 2009-06-29T00:00:00-04:00 114034 D1 D1 http://link.aps.org/doi/10.1103/PhysRevD.79.113015 Author(s): Maxim Dvornikov and Jukka Maalampi<br/>We study the evolution of massive mixed Dirac and Majorana neutrinos in matter under the influence of a transversal magnetic field. The analysis is based on relativistic quantum mechanics. We solve exactly the evolution equation for relativistic neutrinos, find the neutrino wave functions, and calcu...<br/>[Phys. Rev. D 79, 113015] Published Mon Jun 29, 2009 Maxim Dvornikov and Jukka Maalampi 2009-06-29T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.79.113015 Phys. Rev. D 79, 113015 text/html article Physical Review D 79 11 2009-06-29T00:00:00-04:00 113015 D1 D1 http://link.aps.org/doi/10.1103/PhysRevD.79.128301 Author(s): Kung-Yi Su and Pisin Chen<br/>We comment on the calculational mistake in the paper “Modeling galaxy halos using dark matter with pressure” by Somnath Bharadwaj and Sayan Kar. The authors made a mistake while calculating the metric, which led to an overestimate of the deflection angle of light passing through the halos for -1<w_{r} <-0.5 and an underestimate of the deflection angle for -0.5<w_{r} <0. In addition, the solution for w_{r} >...<br/>[Phys. Rev. D 79, 128301] Published Fri Jun 26, 2009 Kung-Yi Su and Pisin Chen 2009-06-26T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.79.128301 Phys. Rev. D 79, 128301 text/html article Physical Review D 79 12 2009-06-26T00:00:00-04:00 128301 D15 D15 http://link.aps.org/doi/10.1103/PhysRevD.79.125028 Author(s): D. Bettinelli, R. Ferrari, and A. Quadri<br/>We evaluate at one loop the self-energies for the W, Z mesons in the electroweak model where the gauge group is nonlinearly realized. In this model the Higgs boson parameters are absent, while a second mass parameter appears together with a scale for the radiative corrections. We estimate these para...<br/>[Phys. Rev. D 79, 125028] Published Fri Jun 26, 2009 D. Bettinelli, R. Ferrari, and A. Quadri 2009-06-26T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.79.125028 Phys. Rev. D 79, 125028 text/html article Physical Review D 79 12 2009-06-26T00:00:00-04:00 125028 D15 D15 http://link.aps.org/doi/10.1103/PhysRevD.79.125027 Author(s): Juha Jäykkä and Jarmo Hietarinta<br/>We investigate the behavior of parallel Faddeev-Hopf vortices under energy minimization in a system with physically relevant, but unusual boundary conditions. The homotopy classification is no longer provided by the Hopf invariant, but rather by the set of integer homotopy invariants proposed by Pon...<br/>[Phys. Rev. D 79, 125027] Published Fri Jun 26, 2009 Juha Jäykkä and Jarmo Hietarinta 2009-06-26T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.79.125027 Phys. Rev. D 79, 125027 text/html article Physical Review D 79 12 2009-06-26T00:00:00-04:00 125027 D15 D15 http://link.aps.org/doi/10.1103/PhysRevD.79.124042 Author(s): Eric A. Bergshoeff, Olaf Hohm, and Paul K. Townsend<br/>We explore the space of static solutions of the recently discovered three-dimensional “new massive gravity” (NMG), allowing for either sign of the Einstein-Hilbert term and a cosmological term parametrized by a dimensionless constant λ. For λ=-1 we find black hole solutions asymptotic (but not...<br/>[Phys. Rev. D 79, 124042] Published Fri Jun 26, 2009 Eric A. Bergshoeff, Olaf Hohm, and Paul K. Townsend 2009-06-26T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.79.124042 Phys. Rev. D 79, 124042 text/html article Physical Review D 79 12 2009-06-26T00:00:00-04:00 124042 D15 D15 http://link.aps.org/doi/10.1103/PhysRevD.79.124041 Author(s): S. Krasnikov<br/>To cure the lack of predictive power of general relativity, Geroch proposed to complete the theory with an additional postulate that only “hole-free” spacetimes are permitted. This postulate (or, rather, that obtained from it by some disambiguating) seems physically well-founded and at the same ...<br/>[Phys. Rev. D 79, 124041] Published Fri Jun 26, 2009 S. Krasnikov 2009-06-26T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.79.124041 Phys. Rev. D 79, 124041 text/html article Physical Review D 79 12 2009-06-26T00:00:00-04:00 124041 D15 D15 http://link.aps.org/doi/10.1103/PhysRevD.79.123526 Author(s): Woei Chet Lim, Lars Andersson, David Garfinkle, and Frans Pretorius<br/>We produce numerical evidence that spikes in the mixmaster regime of G_{2} cosmologies are transient and recurring, supporting the conjecture that the generalized mixmaster behavior is asymptotically nonlocal where spikes occur. Higher-order spike transitions are observed to split into separate firs...<br/>[Phys. Rev. D 79, 123526] Published Fri Jun 26, 2009 Woei Chet Lim, Lars Andersson, David Garfinkle, and Frans Pretorius 2009-06-26T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.79.123526 Phys. Rev. D 79, 123526 text/html article Physical Review D 79 12 2009-06-26T00:00:00-04:00 123526 D15 D15 http://link.aps.org/doi/10.1103/PhysRevD.79.123525 Author(s): Antonio De Felice and Christophe Ringeval<br/>We derive exact solutions of the seven-dimensional Einstein-Maxwell equations for a spacetime exhibiting Poincaré invariance along four dimensions and spherical symmetry in the extra dimensions. Such topology generically arises in the context of braneworld models. Our solutions generalize previous ...<br/>[Phys. Rev. D 79, 123525] Published Fri Jun 26, 2009 Antonio De Felice and Christophe Ringeval 2009-06-26T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.79.123525 Phys. Rev. D 79, 123525 text/html article Physical Review D 79 12 2009-06-26T00:00:00-04:00 123525 D15 D15 http://link.aps.org/doi/10.1103/PhysRevD.79.123524 Author(s): Raphael Bousso<br/>In the multiverse, as in AdS space, light cones relate bulk points to boundary scales. This holographic UV-IR connection defines a preferred global time cutoff that regulates the divergences of eternal inflation. An entirely different cutoff, the causal patch, arises in the holographic description o...<br/>[Phys. Rev. D 79, 123524] Published Fri Jun 26, 2009 Raphael Bousso 2009-06-26T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevD.79.123524 Phys. Rev. D 79, 123524 text/html article Physical Review D 79 12 2009-06-26T00:00:00-04:00 123524 D15 D15