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We show that under very general conditions, cluster plasmas threaded by weak magnetic fields are subject to very fast growing plasma instabilities driven by the anisotropy of the plasma pressure (viscous stress) with respect to the local…

天体物理学 · 物理学 2008-11-26 A. A. Schekochihin , S. C. Cowley , R. M. Kulsrud , G. W. Hammett , P. Sharma

Nonlinear interaction of a low density electron beam with a uniform plasma is studied using two-dimensional particle-in-cell (PIC) simulations. We focus on formation of coherent phase space structures in the case, when a wide…

等离子体物理 · 物理学 2012-05-21 I. V. Timofeev

This paper uses extended-magnetohydrodynamics (MHD) simulations to explore an extreme magnetized plasma regime realisable by cylindrical implosions on the OMEGA laser facility. This regime is characterized by highly compressed magnetic…

In ultra-high quality two-dimensional (2D) materials the mean free paths of phonons and electrons relative to all mechanisms of scattering can be much greater than a size of a sample. In this case the most intensive type of scattering of…

介观与纳米尺度物理 · 物理学 2018-10-17 P. S. Alekseev , M. A. Semina

Phase behavior of large three-dimensional complex plasma systems under microgravity conditions onboard the International Space Station is investigated. The neutral gas pressure is used as a control parameter to trigger phase changes.…

Magnetic helicity, and more broadly magnetic field line topology, impose constraints on the plasma dynamics. Helically interlocked magnetic rings are in a non-trivial topological state. It is harder to bring them into a topologically…

等离子体物理 · 物理学 2024-12-09 Simon Candelaresi , Fabio Del Sordo

We consider the effect of an expanding plasma on probe matter by determining time-dependent D7 embeddings in the holographic dual of an expanding viscous plasma. We calculate the chiral condensate and meson spectra including contributions…

高能物理 - 理论 · 物理学 2008-11-26 Johannes Große , Romuald A. Janik , Piotr Surówka

Molecular magnetism aims to design materials with unique properties at the molecular level, focusing on the systematic synthesis of new chemical compounds. In this paper, we propose an alternative route to engineer molecular magnetic…

材料科学 · 物理学 2024-03-07 Dominik Czernia , Piotr Konieczny , Marcin Perzanowski , Dawid Pinkowicz

It is shown that the transport in low temperature, collisional, bounded plasma is enhanced by instabilities at high magnetic field. While the magnetic field confines the electrons in a stable plasma, the instability completely destroys the…

等离子体物理 · 物理学 2019-09-04 R. Lucken , A. Bourdon , M. Lieberman , P. Chabert

Elastic scattering of charm (c) and bottom (b) quarks via D- and B-meson resonance states in an expanding, strongly interacting quark-gluon plasma is investigated. Drag and diffusion coefficients are calculated from an effective model based…

高能物理 - 唯象学 · 物理学 2007-05-23 H. van Hees , V. Greco , R. Rapp

Understanding plasma self-magnetization is one of the fundamental challenges in both laboratory and astrophysical plasmas. Self-magnetization can modify the plasma transport properties, altering the dynamical evolution of plasmas. Multiple…

等离子体物理 · 物理学 2026-04-09 K. V. Lezhnin , S. R. Totorica , J. Griff-McMahon , M. Medvedev , H. Landsberger , A. Diallo , W. Fox

Strangeness flavor has turned out to be a very effective diagnostic tool of relativistic heavy ion physics. The absolute yield provides information about conditions arising in first instants of the interaction. Strange hadrons are abundant…

核理论 · 物理学 2017-08-23 Johann Rafelski , Giorgio Torrieri , Jean Letessier

The expansion of a magnetized high-pressure plasma into a low-pressure ambient medium is examined with particle-in-cell (PIC) simulations. The magnetic field points perpendicularly to the plasma's expansion direction and binary collisions…

等离子体物理 · 物理学 2016-09-13 Mark Eric Dieckmann , Gianluca Sarri , Domenico Doria , Anders Ynnerman , Marco Borghesi

We derive exact expressions for the cross section of neutrino scattering on electrons in dense, hot stellar matter, in the presence of strong magnetic fields. Numerical calculations of the scattering cross sections at various densities,…

天体物理学 · 物理学 2009-10-28 V. G. Bezchastnov , P. Haensel

One of the main applications in plasma physics concerns the energy production through thermo-nuclear fusion. The controlled fusion is achieved by magnetic confinement i.e., the plasma is confined into a toroidal domain (tokamak) under the…

偏微分方程分析 · 数学 2015-06-05 Mihai Bostan , Irene M. Gamba

We conduct a multiparametric study of driven magnetic reconnection relevant to recent experiments on colliding magnetized laser produced plasmas using particle-in-cell simulations. Varying the background plasma density, plasma resistivity,…

等离子体物理 · 物理学 2018-06-15 K. V. Lezhnin , W. Fox , J. Matteucci , D. B. Schaeffer , A. Bhattacharjee , M. J. Rosenberg , K. Germaschewski

An intense X wave propagating perpendicularly to dc magnetic field is unstable with respect to a parametric decay into an electron Bernstein wave and a lower-hybrid wave. A modified theory of this effect is proposed that extends to the…

等离子体物理 · 物理学 2017-04-26 I. Y. Dodin , A. V. Arefiev

We present initial results of the first self-consistent numerical model of the outer magnetosphere of a pulsar. By using the relativistic ``particle-in-cell'' method with special boundary conditions to represent plasma dynamics in 3D, we…

天体物理学 · 物理学 2007-05-23 Anatoly Spitkovsky , Jonathan Arons

In this work, we have studied oscillations in the crust of a neutron star which magnetic field has both dipolar and toroidal components, the former extends from the stellar interior to the outer space and the later is confined inside the…

广义相对论与量子宇宙学 · 物理学 2020-02-05 Gibran Henrique de Souza , Ernesto Kemp

Thermodynamic properties of a Yukawa system consisting of dust particles in plasma are studied in presence of an external magnetic field. It is assumed that dust particles interact with each other by modified potential in presence of…

等离子体物理 · 物理学 2015-06-16 Mahmuda Begum , Deep Kumar Kuri , Nilakshi Das