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Nonlinear axisymmetric cylindrical plasma oscillations in magnetized collisionless plasmas are a model for the electron fluid collapse on the axis behind an ultrashort relativisically intense laser pulse exciting a plasma wake wave. We…

The equilibrium of a resistive axisymmetric plasma with purely toroidal flow surrounded by a conductor is investigated within the framework of the nonlinear magnetohydrodynamic theory. It is proved that a) the poloidal current density…

等离子体物理 · 物理学 2009-10-30 G. N. Throumoulopoulos

A nonlinear dispersion of a general stationary wave in collisionless plasma is obtained in a non-differential form from a single-particle oscillation-center Hamiltonian. For electrostatic oscillations in nonmagnetized plasma, considered as…

等离子体物理 · 物理学 2015-05-28 I. Y. Dodin , N. J. Fisch

The kinematic evolution of axisymmetric magnetic fields in rotating magnetospheres of relativistic compact objects is analytically studied, based on relativistic Ohm's law in stationary axisymmetric geometry. By neglecting the poloidal…

天体物理学 · 物理学 2009-10-31 Akira Tomimatsu

The anisotropic diffusion of electrons with various rigidity and the anomalous conductivity of a collisionless plasma in the presence of Weibel-generated quasi-static turbulent and uniform external magnetic fields are examined. Using an…

We present a novel mechanism in which plasma electrons and ions optically acquire angular momentum during local pump depletion of an azimuthally polarized laser, despite the laser carrying none. Using theoretical considerations and…

等离子体物理 · 物理学 2026-03-04 Camilla Willim , Thales Silva , Luís Oliveira Silva , Jorge Vieira

We show that in a neutral magnetized plasma there exist microscopic oscillatory modes, with wavelengths of the order of magnitude of the mean interparticle distance, which become unstable when the electron density exceeds a limit…

等离子体物理 · 物理学 2010-06-24 M. Marino , M. Zuin , A. Carati , E. Martines , L. Galgani

The low-frequency instability of a magnetized plasma column and the anomalous radial plasma convection are shown to be linked with the existence of a radial cross-field current along a plasma channel rotating around the central magnetized…

等离子体物理 · 物理学 2010-11-10 S. Jaeger , Th. Pierre

The nonlinear transport features of inhomogeneous chiral plasma in the presence of electromagnetic fields, in rotating coordinates are studied within the relaxation time approach. The chiral distribution functions up to second order in the…

高能物理 - 理论 · 物理学 2017-08-30 Omer F. Dayi , Eda Kilincarslan

We study the effect of the non-linear process of ambipolar diffusion (joint transport of magnetic flux and charged particles relative to neutral particles) on the long-term behavior of a non-uniform magnetic field in a one-dimensional…

太阳与恒星天体物理 · 物理学 2015-05-18 Jaime Hoyos , Andreas Reisenegger , Juan Valdivia

Violation of the axial synnetry of a magnetic field essentially modifies the physics of the plasma outflow in the magnetosphere of rotating objects. In comparison to the axisymmetric outflow, two new affects appear: more efficient…

天体物理学 · 物理学 2009-10-31 S. V. Bogovalov

A generalized Ohm's law is derived to treat strongly magnetized plasmas in which the electron gyrofrequency significantly exceeds the electron plasma frequency. The frictional drag due to Coulomb collisions between electrons and ions is…

等离子体物理 · 物理学 2021-10-27 Scott D. Baalrud , Trevor Lafleur

The solar corona is a typical example of a plasma with strongly anisotropic transport processes. The main dissipative mechanisms in the solar corona acting on slow magnetoacoustic waves are the anisotropic thermal conductivity and…

天体物理学 · 物理学 2014-11-18 Christopher Clack , Istvan Ballai

Nonlinear electrokinetic phenomena, where electrically driven fluid flows depend nonlinearly on the applied voltage, are commonly encountered in aqueous suspensions of colloidal particles. A prime example is the induced-charge…

软凝聚态物质 · 物理学 2024-11-27 Zhanwen Wang , Michael J. Miksis , Petia M. Vlahovska

Previously developed method for finding asymptotic solutions of Vlasov equations using two-dimensional (in coordinate x and time t) Laplace transform is here applied to consider transversal oscillations and waves in low-collision…

等离子体物理 · 物理学 2007-05-23 V. N. Soshnikov

We develop a method for investigating the relationship between the shape of a 1-particle distribution and non-linear electrostatic oscillations in a collisionless plasma, incorporating transverse thermal motion. A general expression is…

等离子体物理 · 物理学 2008-07-30 D. A. Burton , A. Noble

This work tackles a significant challenge in dynamo theory: the possibility of long-term amplification and maintenance of an axisymmetric magnetic field. We introduce a novel model that allows for non-trivial axially-symmetric steady-state…

地球与行星天体物理 · 物理学 2025-07-08 Naoki Sato , Kumiko Hori

Force-free neutron star magnetospheres are nowadays well known and found through numerical simulations. Even extension to general relativity has recently been achieved. However, those solutions are by definition dissipationless, meaning…

高能天体物理现象 · 物理学 2020-01-08 Jérôme Pétri

An electron irradiated by a linearly polarized relativistic intensity laser pulse in a cylindrical plasma channel can gain significant energy from the pulse. The laser electric and magnetic fields drive electron oscillations in a plane…

等离子体物理 · 物理学 2016-03-23 A. V. Arefiev , V. N. Khudik , A. P. L. Robinson , G. Shvets , L. Willingale

In this study, we have investigated the production of negative ions by mixing electronegative oxygen gas with electropositive argon gas in a geometrically asymmetric cylindrical capacitively coupled radio frequency plasma discharge. The…

等离子体物理 · 物理学 2024-05-24 Swati Dahiya , Narayan Sharma , Shivani Geete , Sarveshwar Sharma , Nishant Sirse , Shantanu Karkari
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