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Related papers: Tearing of charged current layers

200 papers

We report a first principles study of the coupled evolution of energetic ions, background majority ions, electrons and electromagnetic fields in magnetised plasma during the linear phase of the lower hybrid drift instability. A…

Plasma Physics · Physics 2015-05-27 J W S Cook , R O Dendy , S C Chapman

Terahertz transmittance spectra of plasmonic crystals based on two-dimensional electron gas in AlGaN/GaN heterostructures were studied in grating-gate and gateless plasmonic crystals as a function of lateral bias. The decrease of the…

Applied Physics · Physics 2025-06-13 M. Dub , P. Sai , Y. Ivonyak , P. Prystawko , W. Knap , S. Rumyantsev

We measured the static and dynamic (complex) shear viscosity of a single layer complex plasma by applying, respectively, a stationary and a periodically modulated shear stress induced by the light pressure of manipulating laser beams. Under…

Plasma Physics · Physics 2012-08-07 Peter Hartmann , Máté Csaba Sándor , Anikó Kovács , Zoltán Donkó

We investigate the charge transport properties of a relativistic drifting plasma using the kinetic theory within the relaxation time approximation. The collective drift induced by electromagnetic fields is described in terms of a suitably…

High Energy Physics - Phenomenology · Physics 2026-05-01 Ashes Modak , Anowar Shaikh , Manu Kurian , Binata Panda , Sadhana Dash

This study focuses on energy conversion related to tearing-driven magnetic reconnection in the context of weakly collisional astrophysical plasmas. We present results from a two-dimensional hybrid particle-in-cell simulation employing novel…

Solar and Stellar Astrophysics · Physics 2026-04-06 Etienne Berriot , Petr Hellinger , Olga Alexandrova , Alexandra Alexandrova , Pascal Démoulin

Depending on the physical conditions involved the beam plasma systems may reveal new unstable regimes triggered by the wave instabilities of different nature. We show through linear theory and numerical simulations the existence of an…

Plasma Physics · Physics 2020-10-05 R. A. López , M. Lazar , S. M. Shaaban , S. Poedts , P. S. Moya

The process of current filamentation in permanently externally driven, initially globally ideal plasmas is investigated by means of two-dimensional Magnetohydrodynamic (MHD)-simulations. This situation is typical for astrophysical systems…

Astrophysics · Physics 2009-10-31 C. Konz , H. Wiechen , H. Lesch

New non-stationary non-contracted form of the erosive radially-slotted discharge as a thin round sheet with the current of the azimuth direction have been discovered, its existence beings stipulated by a radial transport-wave fluxes.…

Plasma Physics · Physics 2007-05-23 S. E. Emelin , A. L. Pirozerski , E. F. Mikhailov , S. S. Vlasenko , G. E. Skvortsov

A nonresonant cosmic-ray-current-driven instability may operate in the shock precursors of young supernova remnants and be responsible for magnetic-field amplification, plasma heating and turbulence. Earlier simulations demonstrated…

High Energy Astrophysical Phenomena · Physics 2018-01-08 Oleh Kobzar , Jacek Niemiec , Martin Pohl , Artem Bohdan

The recent realization that Sweet-Parker current sheets are violently unstable to the secondary tearing (plasmoid) instability implies that such current sheets cannot occur in real systems. This suggests that, in order to understand the…

Solar and Stellar Astrophysics · Physics 2016-03-23 Dmitri A. Uzdensky , Nuno F. Loureiro

In a recent one-dimensional numerical fluid simulation study [Saxena et al., Phys. Plasmas 13,032309 (2006)], it was found that an instability is associated with a special class of one-dimensional nonlinear solutions for modulated light…

Plasma Physics · Physics 2008-09-12 Vikrant Saxena , Amita Das , Sudip Sengupta , Predhiman Kaw , Abhijit Sen

We describe experiments that probe the evolution of shear jammed states, occurring for packing fractions $\phi_S \leq \phi \leq \phi_J$, for frictional granular disks, where above $\phi_J$ there are no stress-free static states. We use a…

Soft Condensed Matter · Physics 2015-06-05 Jie Ren , Joshua A. Dijksman , Robert P. Behringer

The existence and properties of phase-space structures in current-carrying pair plasmas is studied by means of the finite amplitude expressions of the pseudo-potential method. Emphasis is given to double layers, solitary structures and…

Plasma Physics · Physics 2009-11-11 A. Luque , H. Schamel , B. Eliasson , P. K. Shukla

We study electromagnetic streaming instabilities in thermal viscous regions of rotating astrophysical objects, such as, magnetized accretion disks, molecular clouds, their cores, and elephant trunks. The obtained results can also be applied…

Astrophysics of Galaxies · Physics 2015-05-14 Anatoly Nekrasov

The study of the evolution of a suprathermal electron beam traveling through a background plasma is relevant for the physics of solar flares and their associated type III solar radio bursts. As they evolve guided by the coronal magnetic…

Astrophysics · Physics 2009-11-10 Alberto M. Vasquez , Daniel O. Gomez

The compact laboratory stand ``Solar Wind'' (Inst. Appl. Phys. of Russ. Acad. Sci.) forms an arch structure of the coronal loop type, in which the plasma pressure varies from zero to values of the order of and above the magnetic pressure.…

Plasma Physics · Physics 2026-03-17 Sergey A. Koryagin , Mikhail E. Viktorov

Ion fractional charge states, measured in situ in the heliosphere, depend on the properties of the plasma in the inner corona. As the ions travel outward in the solar wind and the electron density drops, the charge states remain essentially…

Solar and Stellar Astrophysics · Physics 2019-01-18 Roberto Lionello , Cooper Downs , Jon A. Linker , Zoran Mikić , John Raymond , Chengcai Shen , Marco Velli

Propagation of the finite amplitude electromagnetic wave through the partially spin-polarized degenerate plasmas leads to the instability. The instability happens at the interaction of the electromagnetic wave with the small frequency…

Plasma Physics · Physics 2023-08-02 Pavel A. Andreev

Shear flows are ubiquitously present in space and astrophysical plasmas. This paper highlights the central idea of the non-thermal acceleration of charged particles in shearing flows and reviews some of the recent developments. Topics…

High Energy Astrophysical Phenomena · Physics 2019-09-17 Frank M. Rieger

The procedure of comprehensive analysis of instability of current sheathes in a wide range of frequencies and wave lengths in the electrically neutral approximation has been developed. This comprehensive analysis of instability is based on…

Plasma Physics · Physics 2010-09-17 V. V. Lyahov , V. M. Neshchadim