The viscosity tensor of the magnetized one-component plasma, consisting of five independent shear viscosity coefficients, a bulk viscosity coefficient, and a cross coefficient, is computed using equilibrium molecular dynamics simulations and the Green-Kubo relations. A broad range of Coulomb couplin...

[Phys. Rev. E 102, 063202] Published Thu Dec 03, 2020

]]>In two-dimensional turbulent systems the redistribution of energy can be described by quadratic nonlinear three-wave interactions, which are limited by resonance conditions. The set of coupling modes can be understood as resonant manifold. It has been predicted by theory that, in the presence of a s...

[Phys. Rev. E 102, 063201] Published Wed Dec 02, 2020

]]>The dynamic structure factor and other dynamic characteristics of strongly coupled one-component plasmas have been studied [Yu. V. Arkhipov *et al.*, Phys. Rev. Lett. **119**, 045001 (2017)] using the self-consistent version of the method of moments. Within any version of the latter, the system dielectri...

[Phys. Rev. E 102, 053215] Published Mon Nov 30, 2020

]]>Using an analytical model and computer simulation, we show that the wakefield driven by an ultrashort laser pulse in high-density plasma periodically reverses its polarity due to the carrier-envelope phase shift of the driver. The wakefield polarity reversal occurs on spatial scales shorter than the...

[Phys. Rev. E 102, 053216] Published Mon Nov 30, 2020

]]>Propagation features of circularly polarized (CP) electromagnetic waves in magnetized plasmas are determined by the plasma density and the magnetic field strength. This property can be applied to design a unique plasma photonic device for intense short-pulse lasers. We have demonstrated by numerical...

[Phys. Rev. E 102, 053214] Published Tue Nov 24, 2020

]]>When initially isotropic three-dimensional (3D) turbulence is compressed along two dimensions, the compression supplies energy directly to the flow components in the compressed directions, while the flow component in the noncompressed direction experiences the effects of compression only indirectly ...

[Phys. Rev. E 102, 053213] Published Mon Nov 23, 2020

]]>We propose a scheme to overcome the great challenge of polarization loss in spin-polarized ion acceleration. When a petawatt laser pulse penetrates through a compound plasma target consisting of a double layer slab and prepolarized hydrogen halide gas, a strong forward moving quasistatic longitudina...

[Phys. Rev. E 102, 053212] Published Fri Nov 20, 2020

]]>Experiments on the National Ignition Facility (NIF) to study hohlraums lined with a 20-mg/cc $400\text{\u2212}\mu \mathrm{m}$-thick ${\mathrm{Ta}}_{2}{\mathrm{O}}_{5}$ aerogel at full scale (hohlraum diameter = 6.72 mm) are reported. Driven with a 1.6-MJ, 450-TW laser pulse, the performance of the foam liner is diagnosed using implosion hot-spot symmetry...

[Phys. Rev. E 102, 051201(R)] Published Thu Nov 19, 2020

]]>The gyrotropic properties of a rotating magnetized plasma are derived analytically. Mechanical rotation leads to a new cutoff for wave propagation along the magnetic field, and polarization rotation above this cutoff is the sum of the classical magneto-optical Faraday effect and the mechanico-optica...

[Phys. Rev. E 102, 051202(R)] Published Thu Nov 19, 2020

]]>Collisional radiative (CR) models based on *ab initio* atomic structure calculation have been utilized over 20 years to analyze many-electron atomic and ionic spectra. Although the population distribution of the excited states in plasmas and their emission spectra are computed using CR models, systema...

[Phys. Rev. E 102, 053211] Published Thu Nov 19, 2020

]]>High-energy-density (HED) experiments in convergent geometry are able to test physical models at pressures beyond hundreds of millions of atmospheres. The measurements from these experiments are generally highly integrated and require unique analysis techniques to procure quantitative information. T...

[Phys. Rev. E 102, 053210] Published Wed Nov 18, 2020

]]>The authors study the electrical conductivity of aluminum through a range of temperatures from the solid to the plasma state, including the warm dense matter regime. They propose a consistent approach to remove elastic contributions from the structure factor of the system, and the results compare well with previously published experimental and simulation data.

[Phys. Rev. E 102, 053209] Published Mon Nov 16, 2020

]]>We studied the dynamics of solvated electrons in the early stage of plasma generation in water induced with an intense femtosecond laser pulse. According to the decay kinetics of solvated electrons, a fast recombination process of solvated electrons (geminate recombination) occurred with a more prol...

[Phys. Rev. E 102, 053207] Published Thu Nov 12, 2020

]]>The motion of a charged particle in a magnetic field can be modeled as a persistent random walk subject to elastic collisions. When compared with experiments and simulations, this model explains certain transient nondiffusive properties that are seen in plasma experiments.

[Phys. Rev. E 102, 053206] Published Wed Nov 04, 2020

]]>Boron carbide (${\mathrm{B}}_{4}\mathrm{C}$) is of both fundamental scientific and practical interest due to its structural complexity and how it changes upon compression, as well as its many industrial uses and potential for use in inertial confinement fusion (ICF) and high-energy density physics experiments. We report the...

[Phys. Rev. E 102, 053203] Published Tue Nov 03, 2020

]]>Betatron radiation generated by relativistic electrons during their wiggling motion in an ion channel is a well-studied source of x-ray photons. Due to the highly collimated emission such compact laser-driven sources have attracted significant attention in various laser or plasma-based applications,...

[Phys. Rev. E 102, 053205] Published Tue Nov 03, 2020

]]>We demonstrate through experiments and numerical simulations that low-density, low-loss, meter-scale plasma channels can be generated by employing a conditioning laser pulse to ionize the neutral gas collar surrounding a hydrodynamic optical-field-ionized (HOFI) plasma channel. We use particle-in-ce...

[Phys. Rev. E 102, 053201] Published Mon Nov 02, 2020

]]>Relativistic flying forcibly oscillating reflective diffraction gratings are formed by an intense laser pulse (driver) in plasma. The mirror surface is an electron density singularity near the joining area of the wake wave cavity and the bow wave; it moves together with the driver laser pulse and un...

[Phys. Rev. E 102, 053202] Published Mon Nov 02, 2020

]]>It is shown by multidimensional particle-in-cell simulations that intense secondary whistler waves with special vortexlike field topology can be excited by a relativistic laser pulse in the highly magnetized, near-critical density plasma. Such whistler waves with lower frequencies obliquely propagat...

[Phys. Rev. E 102, 053204] Published Mon Nov 02, 2020

]]>Dusty plasma experiments can be performed quite easily in a strong coupling regime. In our previous work [V. S. Dharodi, S. K. Tiwari, and A. Das, Physics of Plasmas **21**, 073705 (2014)], we numerically explored such plasmas with constant density and observed the transverse shear (TS) waves from the r...

[Phys. Rev. E 102, 043216] Published Wed Oct 28, 2020

]]>The transport properties of warm dense neon (Ne) and krypton (Kr) are studied by combining self-consistent fluid variational theory (SFVT) with linear response theory (LRT). The components are determined using the SFVT, and the transport parameters, including the electrical conductivity, thermal con...

[Phys. Rev. E 102, 043214] Published Mon Oct 26, 2020

]]>Spin-polarized fuels are promising for inertial confinement fusion due to the enhanced fusion cross section. One significant concern of spin-polarized inertial confinement fusion is whether the nuclei polarization could survive in the implosions and contribute to ignitions. Here we present numerical...

[Phys. Rev. E 102, 043215] Published Mon Oct 26, 2020

]]>In this work, we present results from experiments capable of producing and measuring the propagation of multiple successive, copropagating shocks across an unstable planar interface, where the shocks are independently driven and separately controllable, enabling the study of this important phenomeno...

[Phys. Rev. E 102, 043212] Published Fri Oct 23, 2020

]]>Ground-state structures of a two-dimensional (2D) system composed of superparamagnetic charged particles are investigated by means of molecular dynamics simulation. The charged particles trapped in a quadratic potential interact with each other via the repulsive, attractive, and magnetic dipole-dipo...

[Phys. Rev. E 102, 043213] Published Fri Oct 23, 2020

]]>Dense plasmas occur in stars, giant planets, and in inertial fusion experiments. Accurate modeling of the electronic structure of these plasmas allows for prediction of material properties that can in turn be used to simulate these astrophysical objects and terrestrial experiments. But modeling them...

[Phys. Rev. E 102, 043211] Published Mon Oct 19, 2020

]]>Complex plasmas are interesting systems as the charged dust can self-assemble into different types of ordered structures. To understand the mechanisms which govern the transitions from one type of structure to another, it is necessary to know both the dust charge and the confining electric fields wi...

[Phys. Rev. E 102, 043210] Published Fri Oct 16, 2020

]]>Cross sections for photo-induced bound-free and free-free transitions in plasmas are evaluated in the average-atom approximation and applied to determine opacities of dense plasmas of light elements. Parameters characterizing the plasmas (chemical potential, average ionic charge, free electron densi...

[Phys. Rev. E 102, 043209] Published Wed Oct 14, 2020

]]>A planar laser pulse propagating in vacuum can exhibit an extremely large ponderomotive force. This force, however, cannot impart net energy to an electron: As the pulse overtakes the electron, the initial impulse from its rising edge is completely undone by an equal and opposite impulse from its tr...

[Phys. Rev. E 102, 043207] Published Tue Oct 13, 2020

]]>The aim of this paper is to investigate the effects of a rotating ion beam on the temperature gradient instability (TGI) in completely ionized plasmas. The interplay of the temperature and density gradients provides the basis for experiencing an unstable inhomogeneous plasma medium due to TGI taken ...

[Phys. Rev. E 102, 043208] Published Tue Oct 13, 2020

]]>The equilibrium structure and the dispersion relations of collective excitations in trilayer Yukawa systems in the strongly coupled liquid regime are examined. The equilibrium correlations reveal a variety of structures in the liquid phase, reminiscent of the corresponding structures in the solid ph...

[Phys. Rev. E 102, 043206] Published Fri Oct 09, 2020

]]>Laboratory realizations of two-dimensional (2D) plasma crystals typically involve monodisperse microparticles confined into horizontal monolayers in radio-frequency (rf) plasma sheaths. This gives rise to the so-called plasma wakes beneath the microparticles. The presence of wakes renders the intera...

[Phys. Rev. E 102, 043204] Published Wed Oct 07, 2020

]]>In this article we report acceleration observed for the ions produced in a 50-nm-thick nickel film coated on a quartz substrate, under nanosecond laser ablation, in the rear ablation geometry. A detailed study with varying background pressure and laser energy is done. Spectroscopic study including s...

[Phys. Rev. E 102, 043205] Published Wed Oct 07, 2020

]]>A charged particle moving through a plasma experiences a friction force that commonly acts antiparallel to its velocity. It was recently predicted that in strongly magnetized plasmas, in which the plasma particle gyrofrequency exceeds the plasma frequency, the friction also includes a transverse com...

[Phys. Rev. E 102, 041201(R)] Published Tue Oct 06, 2020

]]>When the Zeeman energy approaches the characteristic kinetic energy of electrons, Landau quantization becomes important. In the vicinity of magnetars, the Zeeman energy can even be relativistic. We start from the Dirac equation and derive a kinetic equation for electrons, focusing on the phenomenon ...

[Phys. Rev. E 102, 043203] Published Tue Oct 06, 2020

]]>This work investigates the time-dependent physics of multipactor discharge on a single dielectric surface with a transverse rf electric field of two carrier frequencies using a multiparticle Monte Carlo simulation model with adaptive time steps. The effects of the relative strength and phase, and th...

[Phys. Rev. E 102, 043201] Published Fri Oct 02, 2020

]]>This paper is devoted to the problem of obtaining high-intense circularly polarized terahertz radiation in a nonequilibrium xenon plasma channel in the presence of an external static magnetic field. The physical mechanism is based on the well-known cyclotron resonance effect which enables to provide...

[Phys. Rev. E 102, 043202] Published Fri Oct 02, 2020

]]>For a radiating charged particle, the radiation reaction force plays an important role in determining its motion. Several formulas have been proposed to describe the radiation reaction force. Stationary solutions of the Lorentz-Abraham-Dirac (LAD), Mo-Papas, Landau-Lifshitz, and Ford-O'Connell equat...

[Phys. Rev. E 102, 033210] Published Wed Sep 30, 2020

]]>The electrohydrodynamic response of a counterflow laminar diffusion flame to applied alternating current (ac) electric fields is investigated experimentally and numerically. The flame positions are observed to show typical response to applied ac electric fields with high and moderate frequencies. Th...

[Phys. Rev. E 102, 033209] Published Thu Sep 24, 2020

]]>We present, using three-dimensional particle-in-cell simulations, an observation that orbital angular momentum (OAM) is transferred to resonant electrons proportionally to longitudinal momentum when Laguerre-Gaussian plasma waves are subjected to Landau damping. A higher azimuthal mode number leads ...

[Phys. Rev. E 102, 033208] Published Wed Sep 23, 2020

]]>In this paper we compare different theoretical approaches to describe the dispersion of collective modes in Yukawa fluids when the interparticle coupling is relatively weak, so that the kinetic and potential contributions to the dispersion relation compete with each other. A thorough comparison with...

[Phys. Rev. E 102, 033207] Published Mon Sep 21, 2020

]]>We present a complete theory of the scattering of a particle in a Yukawa potential when the screening length is much larger than the classical impact parameter for ${90}^{\circ}$ deflection and than the de Broglie length. The classical limit, the quantum limit, and the intermediate case are investigated, enabl...

[Phys. Rev. E 102, 033206] Published Thu Sep 17, 2020

]]>This paper reports on the molecular dynamics simulations of classical two-dimensional (2D) electric dipole systems. The properties of 2D systems with bare (nonscreened) and screened dipole-dipole interactions have been investigated. Based on the polygon construction method, we present simulation res...

[Phys. Rev. E 102, 033205] Published Wed Sep 16, 2020

]]>The resources needed for particle-in-cell simulations of laser wakefield acceleration can be greatly reduced in many cases of interest using an envelope model. However, the inclusion of tunneling ionization in this time-averaged treatment of laser-plasma acceleration is not straightforward, since th...

[Phys. Rev. E 102, 033204] Published Mon Sep 14, 2020

]]>This Rapid Communication reports on the observation of an interesting phenomenon: the shape, especially the length, of a microwave plasma jet (MPJ) can be clearly influenced by simply placing a conductor near the plasma source, particularly when the nearby conductor is in contact with the external c...

[Phys. Rev. E 102, 031201(R)] Published Tue Sep 08, 2020

]]>Magnetic reconnection in a relativistic electron magnetization regime was observed in a laboratory plasma produced by a high-intensity, large energy, picoseconds laser pulse. Magnetic reconnection conditions realized with a laser-driven several kilotesla magnetic field is comparable to that in the a...

[Phys. Rev. E 102, 033202] Published Thu Sep 03, 2020

]]>In this paper we study thermodynamic properties of uniform electron gas (UEG) over wide density and temperature range, using the improved fermionic-path-integral Monte Carlo (FPIMC) method. This method demonstrates a significant reduction of the “fermionic sign problem,” which takes place in standar...

[Phys. Rev. E 102, 033203] Published Thu Sep 03, 2020

]]>Large-amplitude fluctuations of the solar wind magnetic field can scatter energetic ions. One of the main contributions to these fluctuations is provided by solar wind discontinuities, i.e., rapid rotations of the magnetic field. This study shows that the internal configuration of such discontinuiti...

[Phys. Rev. E 102, 033201] Published Wed Sep 02, 2020

]]>Deeply modulated ion spectra from contaminants present on the target surface were measured at the interaction of ultraintense $(2-5)\times {10}^{20}\phantom{\rule{4pt}{0ex}}\mathrm{W}/\mathrm{c}{\mathrm{m}}^{2}$ and high-contrast laser pulses $(\lesssim {10}^{-10})$ with thin $(\sim \mu \mathrm{m})$ and ultrathin $(\sim \mathrm{nm})$ targets. This phenomenon, observed over a wide range of laser and target parameter...

[Phys. Rev. E 102, 023212] Published Wed Aug 26, 2020

]]>The formation of dynamical states for a collection of dust particles in two dimensions is shown using molecular dynamics simulations. The charged dust particles interact with each other with a Yukawa pair potential mimicking the screening due to plasma. An external radial confining force has also be...

[Phys. Rev. E 102, 023213] Published Wed Aug 26, 2020

]]>We present two-dimensional temperature measurements of magnetized and unmagnetized plasma experiments performed at Z relevant to the preheat stage in magnetized liner inertial fusion. The deuterium gas fill was doped with a trace amount of argon for spectroscopy purposes, and time-integrated spatial...

[Phys. Rev. E 102, 023209] Published Mon Aug 24, 2020

]]>This paper presents a study on hotspot parameters in indirect-drive, inertially confined fusion implosions as they proceed through the self-heating regime. The implosions with increasing nuclear yield reach the burning-plasma regime, hotspot ignition, and finally propagating burn and ignition. These...

[Phys. Rev. E 102, 023210] Published Mon Aug 24, 2020

]]>Particle populations that have velocity distributions with only a small spread of gyrophase angles are commonly observed in the vicinity of magnetohydrodynamic (MHD) discontinuity surfaces such as collisionless shocks. Previous theoretical particle trajectory studies have concentrated on ion behavio...

[Phys. Rev. E 102, 023211] Published Mon Aug 24, 2020

]]>A new type of plasma accelerator—a low-power $\left(<30\phantom{\rule{0.28em}{0ex}}\mathrm{W}\right)$, miniature (cm-sized), two-stage pulsed magneto-plasma-dynamic thruster—has been proposed. Being magnetized by an axially symmetric dc magnetic field of ∼200 mT, the vacuum arc discharge demonstrates a threshold behavior: Parameters such as thru...

[Phys. Rev. E 102, 021203(R)] Published Mon Aug 17, 2020

]]>In a systematic study of shock wave propagating in crystalline polyethylenes using molecular dynamics method and the electron force field (eFF) potential, we show that microscopic structure of shock front is significantly affected by the anisotropy of long carbon chain and the bond breaking and reco...

[Phys. Rev. E 102, 023207] Published Mon Aug 17, 2020

]]>A new phenomenon called imposed ordered structures has been of particular interest to the dusty plasma community within the past several years. These structures are a new type of pattern formation within a dusty plasma in which the dust particles become fixed to a background confining potential whos...

[Phys. Rev. E 102, 023208] Published Mon Aug 17, 2020

]]>The success of direct laser-driven inertial confinement fusion (ICF) relies critically on the efficient coupling of laser light to plasma. At ignition scale, the absolute stimulated Raman scattering (SRS) instability can severely inhibit this coupling by redirecting and strongly depleting laser ligh...

[Phys. Rev. E 102, 023205] Published Fri Aug 14, 2020

]]>For a collisionless plasma in contact with a dielectric surface, where with unit probability electrons and ions are, respectively, absorbed and neutralized, thereby injecting electrons and holes into the conduction and valence bands, we study the kinetics of plasma loss by nonradiative electron-hole...

[Phys. Rev. E 102, 023206] Published Fri Aug 14, 2020

]]>A significant step has been made towards understanding the physics of the transient surface current triggered by ejected electrons during the interaction of a short intense laser pulse with a high-conductivity target. Unlike the commonly discussed hypothesis of neutralization current generation as a...

[Phys. Rev. E 102, 021202(R)] Published Thu Aug 13, 2020

]]>To study the effects of chunk mixing, the implosion experiments using capsules filled with deuterated foam (CDF capsule) were carried out on the Shenguang laser facility. Three types of the CDF capsules, namely the capsules without Au dopant, with micrometer Au dopant, and with atomic Au dopant, wer...

[Phys. Rev. E 102, 023204] Published Thu Aug 13, 2020

]]>We consider a quantum multicomponent plasma made with $\mathcal{S}$ species of point charged particles interacting *via* the Coulomb potential. We derive the screened activity series for the pressure in the grand-canonical ensemble within the Feynman-Kac path integral representation of the system in terms of a cl...

[Phys. Rev. E 102, 023203] Published Mon Aug 10, 2020

]]>Structures on the front surface of thin foil targets for laser-driven ion acceleration have been proposed to increase the ion source maximum energy and conversion efficiency. While structures have been shown to significantly boost the proton acceleration from pulses of moderate-energy fluence, their...

[Phys. Rev. E 102, 021201(R)] Published Mon Aug 03, 2020

]]>Nonlinear dispersion relation for the finite-amplitude dust acoustic modes is obtained taking into account resonant particle trapping in the wave. The kinetic model predicts a frequency shift scaling $\propto \sqrt{\varphi}$ relative to the linear dispersion relation with $\varphi $ being the wave amplitude of the electrostatic p...

[Phys. Rev. E 102, 023201] Published Mon Aug 03, 2020

]]>In this paper, the nonlinear interaction between kinetic instabilities driven by multiple ion beams and magnetized electrons is investigated. Electron diffusion across magnetic field lines is enhanced by the coupling of plasma instabilities. A two-dimensional collisionless particle-in-cell simulatio...

[Phys. Rev. E 102, 023202] Published Mon Aug 03, 2020

]]>Stratification due to ion-ion friction in a magnetized multiple-ion species plasma is shown to be accompanied by a heat pump effect, transferring heat from one ion species to another as well as from one region of space to another. The heat pump is produced via identified heating mechanisms associate...

[Phys. Rev. E 102, 013212] Published Tue Jul 28, 2020

]]>An intense radiation field can modify plasma properties and the corresponding refractive index and lead to nonlinear propagation effects such as self-focusing. We estimate the corresponding effects in pair plasmas for circularly polarized waves, in both unmagnetized and strongly magnetically dominat...

[Phys. Rev. E 102, 013211] Published Fri Jul 24, 2020

]]>A method of generating spin-polarized proton beams from a gas jet by using a multipetawatt laser is put forward. With currently available techniques of producing prepolarized monatomic gases from photodissociated hydrogen halide molecules and petawatt lasers, proton beams with energy $\gtrsim 50$ MeV and $\approx 80...$

[Phys. Rev. E 102, 011201(R)] Published Thu Jul 23, 2020

]]>Plasmas, as well as several other many-body systems of technological interest, have been studied mostly as a purely classical subject. However, in dense plasmas, and in some semiconductor devices, metallic nanostructures and thin metal films, when the de Broglie wavelength of the charge carriers is ...

[Phys. Rev. E 102, 013210] Published Thu Jul 23, 2020

]]>It is shown that a simultaneous, 15-min-long registration of visible light and an increase in the rate of γ ray count at Aragats Space Environmental Center on September 1, 2020 [A. Chilingarian *et al.*, Phys. Rev. Res. **1**, 033167 (2019)] could be the registration of visible light and γ rays from a sw...

[Phys. Rev. E 102, 013208] Published Mon Jul 20, 2020

]]>We consider the Adlam-Allen (AA) system of partial differential equations, which, arguably, is the first model that was introduced to describe solitary waves in the context of propagation of hydrodynamic disturbances in collisionless plasmas. Here, we identify the solitary waves of the model by impl...

[Phys. Rev. E 102, 013209] Published Mon Jul 20, 2020

]]>Leveraging on analyses of Hamiltonian dynamics to examine the ion motion, we explicitly demonstrate that the proton sheet crossing and plateau-type energy spectrum are two intrinsic features of the effectively accelerated proton beams driven by a drift quasistatic longitudinal electric field. Via tw...

[Phys. Rev. E 102, 013207] Published Tue Jul 14, 2020

]]>Two-dimensional particle-in-cell simulations are presented of the linear and nonlinear developments of stimulated Raman scattering in two overlapping laser beams. The development of the most unstable mode in the linear stage is consistent with a previous paper [C. Z. Xiao *et al.*, Phys. Plasmas **26**, 0...

[Phys. Rev. E 102, 013205] Published Mon Jul 13, 2020

]]>A high-intensity laser beam propagating through a dense plasma drives a strong current that robustly sustains a strong quasistatic azimuthal magnetic field. The laser field efficiently accelerates electrons in such a field that confines the transverse motion and deflects the electrons in the forward...

[Phys. Rev. E 102, 013206] Published Mon Jul 13, 2020

]]>The afterglow emission from Nd:YAG-laser-produced microdroplet-tin plasma is investigated, with a focus on analyzing Stark effect phenomena and the dynamical evolution of the plasma. Time- and space-resolved optical imaging spectroscopy is performed on 11 lines from Sn i–iv ions, in the 315–425-nm w...

[Phys. Rev. E 102, 013204] Published Thu Jul 09, 2020

]]>We have investigated the effects of a smooth transition layer at the contact discontinuity on the growth of the Richtmyer-Meshkov instability (RMI) by hydrodynamic numerical simulations, and we derived an empirical condition for the suppression of the instability. The transition layer has little inf...

[Phys. Rev. E 102, 013203] Published Wed Jul 08, 2020

]]>Discretizing Maxwell's equations in Galilean (comoving) coordinates allows the derivation of a pseudospectral solver that eliminates the numerical Cherenkov instability for electromagnetic particle-in-cell simulations of relativistic plasmas flowing at a uniform velocity. Here we generalize this sol...

[Phys. Rev. E 102, 013202] Published Tue Jul 07, 2020

]]>Conservation of the magnetic moment of ions crossing a magnetohydrodynamic shock is often assumed in studies of collisionless shocks. While this approximation may be reasonable in certain cases, this article shows that magnetic moment conservation is inconsistent with the entropy increase which occurs for any combination of initial and final states.

[Phys. Rev. E 102, 013201] Published Wed Jul 01, 2020

]]>A target design for mitigating the Rayleigh-Taylor instability is proposed for use in high energy density and direct-drive inertial confinement fusion experiments. In this scheme, a thin gold membrane is offset from the main target by several-hundred microns. A strong picket on the drive beams is in...

[Phys. Rev. E 101, 063207] Published Tue Jun 30, 2020

]]>A model based on optical Bloch equations is developed to describe the interaction of femtosecond laser pulses with dielectric solids, accounting for optical-cycle-resolved electron dynamics. It includes the main physical processes at play: photoionization, impact ionization, direct and collisional l...

[Phys. Rev. E 101, 063206] Published Mon Jun 29, 2020

]]>Newton's third law—the action-reaction symmetry—can be violated for effective interbody forces in open and nonequilibrium systems that are ubiquitous in areas as diverse as complex plasmas, colloidal suspensions, active and living soft matter, and social behavior. While studying monolayer complex pl...

[Phys. Rev. E 101, 063205] Published Fri Jun 26, 2020

]]>The frictional force (stopping power) acting on a test electron moving through an ideal electron gas is calculated by taking into account electron-neutral atom collisions using the linear plasma response formalism. This allows us to elucidate how the effective Coulomb logarithm is affected by electr...

[Phys. Rev. E 101, 061202(R)] Published Fri Jun 12, 2020

]]>The propagation of a relativistic electron-positron beam in a magnetized electron-ion plasma is studied, focusing on the polarization of the radiation generated in this case. Special emphasis is laid on investigating the polarization of the generated radiation for a range of beam-plasma parameters, ...

[Phys. Rev. E 101, 063204] Published Mon Jun 08, 2020

]]>A chemical model is proposed for a dusty plasma consisting of electrons, ions, neutrals, and positively charged dust particles all being at thermodynamic equilibrium. An expression is derived for the Helmholtz free energy, which comprises the ideal part, taking into account the charge of dust partic...

[Phys. Rev. E 101, 063203] Published Fri Jun 05, 2020

]]>A central problem of turbulence theory is to produce a predictive model for turbulent fluxes. These have profound implications for virtually all aspects of the turbulence dynamics. In magnetic confinement devices, drift-wave turbulence produces anomalous fluxes via cross-correlations between fluctua...

[Phys. Rev. E 101, 061201(R)] Published Thu Jun 04, 2020

]]>The interaction of dielectric barrier discharge plasma and silicone-oil liquid droplet in a Hele-Shaw cell was investigated experimentally employing synchronized optical and electrical time-resolved measurements. Temporal development of the destabilization, stretching, and fragmentation of the plasm...

[Phys. Rev. E 101, 063201] Published Mon Jun 01, 2020

]]>A microphysics model to describe the photoionization and impact ionization processes in dielectric ablator materials like plastic has been implemented into the one-dimensional hydrodynamic code LILAC for planar and spherical targets. At present, the initial plasma formation during the early stages o...

[Phys. Rev. E 101, 063202] Published Mon Jun 01, 2020

]]>We present an in-depth analysis of an ultrafast electron trajectory type that produces attosecond electromagnetic pulses in both the reflected and forward directions during normal incidence, relativistic laser-plasma interactions. Our particle-in-cell simulation results show that for a target which ...

[Phys. Rev. E 101, 053210] Published Thu May 28, 2020

]]>Transport of particle beams in plasmas is widely employed in fundamental research, industry, and medicine. Due to the high inertia of ion beams, their transport in plasmas is usually assumed to be stable. Here we report the focusing and flapping of intense slab proton beams transporting through larg...

[Phys. Rev. E 101, 051203(R)] Published Tue May 26, 2020

]]>Magnetic nozzles are convergent-divergent applied magnetic fields which are commonly used in electric propulsion, manufacturing, and material processing industries. This paper studies the previously overlooked physics in confining the thermalized ions injected from a near-uniform inlet in the magnet...

[Phys. Rev. E 101, 053208] Published Tue May 26, 2020

]]>In this work, we studied the stopping power of deuterium-tritium (DT) plasmas mixed with impurities to the injected charged particles. Based on the Brown-Preston-Singleton model, the analytical expression for the change ratio of stopping power (denoted by $\eta )$ induced by impurities in DT plasmas is de...

[Phys. Rev. E 101, 053209] Published Tue May 26, 2020

]]>We studied parallel propagating electromagnetic waves in a magnetized quantum electron plasma of finite temperature, as an extension of our previous study on a zero temperature plasma. We obtained simple analytic dispersion relations in the long wavelength limit that included the thermal effect as c...

[Phys. Rev. E 101, 053207] Published Fri May 22, 2020

]]>Interactions of two-plasmon decay (TPD) and side-stimulated Raman scattering (SSRS) were studied using three-dimensional particle-in-cell simulations under inertial-confinement-fusion-relevant conditions for linearly and circularly polarized lasers. In the linear stage, SSRS took place under ${n}_{e}=\mathrm{0.23...}$

[Phys. Rev. E 101, 053205] Published Thu May 21, 2020

]]>Compressing and charge neutralization of the heavy-ion beam in an inertial fusion reactor are considered as pivotal processes for increasing the energy gain. For this purpose, the ion beam is usually transported through the plasma channel so that multispecies Weibel instability can grow in this syst...

[Phys. Rev. E 101, 053206] Published Thu May 21, 2020

]]>With the recent realization of kilotesla quasistatic magnetic fields, the interaction of a laser with magnetized solids enters an unexplored new regime. In particular, a circularly polarized (CP) laser pulse may propagate in a highly magnetized plasma of any high density without encountering cutoff ...

[Phys. Rev. E 101, 051202(R)] Published Wed May 20, 2020

]]>In a recent paper [Wang, Huang, and Feng, Phys. Rev. E **99**, 063206 (2019)], Langevin dynamical simulation results related to the shear modulus $G$ of a two-dimensional liquid dusty plasma were reported. The purpose of this Comment is to provide a comparison with available theoretical models to calculat...

[Phys. Rev. E 101, 057201] Published Wed May 20, 2020

]]>In the preceding Comment [Khrapak and Klumov, preceding Comment, Phys. Rev. E **101**, 057201 (2020)], a completely different method is used to calculate the shear modulus of two-dimensional Yukawa solids. Here the results of the shear modulus of two-dimensional Yukawa solids obtained in a previous work...

[Phys. Rev. E 101, 057202] Published Wed May 20, 2020

]]>We discuss the experimental and modeling results for the x-ray heating and temperature of laboratory photoionized plasmas. A method is used to extract the electron temperature based on the analysis of transmission spectroscopy data that is independent of atomic kinetics modeling. The results emphasi...

[Phys. Rev. E 101, 051201(R)] Published Mon May 18, 2020

]]>We present a new model of electron transport in warm and hot dense plasmas which combines the quantum Landau-Fokker-Planck equation with the concept of mean-force scattering. We obtain electrical and thermal conductivities across several orders of magnitude in temperature, from warm dense matter con...

[Phys. Rev. E 101, 053204] Published Mon May 18, 2020

]]>We investigate the energy-loss characteristics of an ion in warm dense matter (WDM) and dense plasmas concentrating on the influence of electronic correlations. The basis for our analysis is a recently developed *ab initio* quantum Monte Carlo– (QMC) based machine learning representation of the static...

[Phys. Rev. E 101, 053203] Published Thu May 14, 2020

]]>Three-dimensional “particle in cell” simulations show that a quasistatic magnetic field can be generated in a plasma irradiated by a linearly polarized Laguerre-Gauss beam with a nonzero orbital angular momentum (OAM). Perturbative analysis of the electron dynamics in the low intensity limit and det...

[Phys. Rev. E 101, 053202] Published Wed May 06, 2020

]]>Atom-in-jellium calculations of the Einstein frequency were used to calculate the mean displacement of an ion over a wide range of compression and temperature. Expressed as a fraction of the Wigner-Seitz radius, the displacement is a measure of the asymptotic freedom of the ion at high temperature, ...

[Phys. Rev. E 101, 053201] Published Mon May 04, 2020

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