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The nonlinear theory of dust-acoustic waves (DAWs) with Landau damping is studied in an unmagnetized dusty negative-ion plasma in the extreme conditions when the free electrons are absent. The cold massive charged dusts are described by…

等离子体物理 · 物理学 2014-07-18 A. Barman , A. P. Misra

In this paper we present a general framework for solving the stationary nonlinear Schr\"odinger equation (NLSE) on a network of one-dimensional wires modelled by a metric graph with suitable matching conditions at the vertices. A formal…

斑图形成与孤子 · 物理学 2016-05-05 Sven Gnutzmann , Daniel Waltner

This article deals with rotating magnetohydrodynamic flows of a thin stratified layer of astrophysical plasma in a gravitational field with a free-surface in a vertical external magnetic field. Magnetohydrodynamic equations are obtained in…

等离子体物理 · 物理学 2019-07-02 Maria Fedotova , Dmitry Klimachkov , Arakel Petrosyan

The radiation damping effect on the diamagnetic relativistic pulse accelerator (DRPA) is studied in two-and-half dimensional Particle-in-Cell (PIC) simulation with magnetized electron-positron plasmas. Self-consistently solved radiation…

天体物理学 · 物理学 2007-05-23 K. Noguchi , E. Liang

During the past decades the study of strongly interacting fluids experienced a tremendous progress. In the relativistic heavy ion accelerators, specially the RHIC and LHC colliders, it became possible to study not only fluids made of…

核理论 · 物理学 2013-09-09 D. A. Fogaça , F. S. Navarra , L. G. Ferreira Filho

The dispersion characteristics of an circularly polarized electromagnetic wave of arbitrary amplitude, propagating in a highly (thermally and kinematically) relativistic plasma, are shown to approach those of a linear wave in an…

等离子体物理 · 物理学 2018-07-17 Swadesh Mahajan , Manasvi Lingam

We have investigated the optical response of superradiant atoms, which undergoes three different damping mechanisms: radiative dissipation ($\gamma_r$), dephasing ($\gamma_d$), and nonradiative dissipation ($\gamma_n$). Whereas the roles of…

量子物理 · 物理学 2009-11-10 Kazuki Koshino , Hajime Ishihara

We present results from particle-in-cell simulations of driven turbulence in magnetized, collisionless, and relativistic pair plasma. We find that fluctuations are consistent with the classical $k_\perp^{-5/3}$ magnetic energy spectrum at…

等离子体物理 · 物理学 2017-02-14 Vladimir Zhdankin , Gregory R. Werner , Dmitri A. Uzdensky , Mitchell C. Begelman

The adiabatic inhomogeneities of the scalar curvature lead to a compressible flow affecting the dynamics of the hydromagnetic nonlinearities. The influence of the plasma on the evolution of a putative magnetic field is explored with the aim…

宇宙学与河外天体物理 · 物理学 2015-06-03 Massimo Giovannini

Electromagnetic waves are an inherent part of all plasmas -- laboratory fusion plasmas or astrophysical plasmas. The conventional methods for studying properties of electromagnetic waves rely on discretization of Maxwell equations suitable…

等离子体物理 · 物理学 2023-12-15 Efstratios Koukoutsis , Kyriakos Hizanidis , George Vahala , Min Soe , Linda Vahala , Abhay K. Ram

We review the non-Fermi or marginal liquid behavior of a relativistic QED plasma. In this medium a quasiparticle has a damping rate that depends linearly on the distance between its energy and the Fermi surface. We stress that this…

高能物理 - 唯象学 · 物理学 2017-08-23 Cristina Manuel

We study the optimal focusing of two-level atoms with a near resonant standing wave light, using both classical and quantum treatments of the problem. Operation of the focusing setup is considered as a nonlinear spatial squeezing of atoms…

量子物理 · 物理学 2015-07-15 R. Arun , Offir Cohen , I. Sh. Averbukh

Starting from the Vlasov-Maxwell equations describing the dynamics of various species in a quasi-neutral plasma, an exact relativistic hydrodynamic closure for a special type of water-bag distributions satisfying the Vlasov equation has…

等离子体物理 · 物理学 2023-05-30 Stephan I. Tzenov

A stochastic model for nondemolition continuous measurement in a quantum system is given. It is shown that the posterior dynamics, including a continuous collapse of the wave function, is described by a nonlinear stochastic wave equation.…

量子物理 · 物理学 2007-05-23 V. P. Belavkin

We consider the influence of the electron spin on the nonlinear propagation of whistler waves. For this purpose a recently developed electron two-fluid model, where the spin up- and down populations are treated as different fluids, is…

等离子体物理 · 物理学 2015-05-14 Martin Stefan , Gert Brodin , Mattias Marklund

We extend Walsh's theory of martingale measures in order to deal with hyperbolic stochastic partial differential equations that are second order in time, such as the wave equation and the beam equation, and driven by spatially homogeneous…

概率论 · 数学 2011-02-18 Robert C. Dalang , Carl Mueller

In this paper, we demonstrate novel relationships between quantum mechanics and the electromagnetic wave equation. In our approach, an invariant interference-dependent electromagnetic quantity, which we call "quantum rest mass", replaces…

量子物理 · 物理学 2021-02-10 Ankit Pandey , Bill Poirier , Luis Grave-de-Peralta

Classical Molecular Dynamics simulations (MD) for a one-component weakly degenerate plasma are presented. Using an effective quantum pair potential (Kelbg potential), the dynamic structure factor and the dispersion of Langmuir waves are…

强关联电子 · 物理学 2015-06-24 V. Golubnychiy , M. Bonitz , D. Kremp , M. Schlanges

Atomic and molecular breakup reactions, such as multiple-ionisation, are described by a driven Schr\"odinger equation. This equation is equivalent to a high-dimensional Helmholtz equation and it has solutions that are outgoing waves,…

数值分析 · 数学 2022-03-22 Jacob Snoeijer , Wim Vanroose

In this report, we present a dynamical systems' approach to study the exact nonlinear wave-particle interaction in relativistic regime. We give a particular attention to the effect of wave obliquity on the dynamics of the orbits by studying…

等离子体物理 · 物理学 2012-03-13 A. Osmane , A. M. Hamza
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