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Related papers: West-east asymmetry of a mini-magnetosphere induce…

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The magnetospheres of magnetars are believed to be filled with electron-positron plasma generated by electric discharge. We present a first direct numerical experiment showing how the plasma is created in an axisymmetric closed…

High Energy Astrophysical Phenomena · Physics 2017-08-09 Alexander Y. Chen , Andrei M. Beloborodov

We have explored the thermodynamics of compressed magnetized plasmas in laboratory experiments and we call these studies "magnetothermodynamics". The experiments are carried out in the Swarthmore Spheromak eXperiment device. In this device,…

Magnetohydrodynamics simulations have been carried out in studying the solar wind and cometary plasma interactions for decades. Various plasma boundaries have been simulated and compared well with observations for comet 1P/Halley. The…

Earth and Planetary Astrophysics · Physics 2018-01-15 Z. Huang , G. Toth , T. I. Gombosi , X. Jia , M. R. Combi , K. C. Hansen , N. Fougere , Y. Shou , V. Tenishev , K. Altwegg , M. Rubin

This paper analyzes the consequences of electric current generation at the front of the Bow Shock (BS) and the dependence of the direction of this current on the IMF. The conditions of this current closure through the body of the…

Geophysics · Physics 2007-05-23 E. A. Ponomarev , P. A. Sedykh , O. V. Mager , V. D. Urbanovich

We investigate the intermittency of magnetic turbulence as measured in Reversed Field Pinch plasmas. We show that the Probability Distribution Functions of magnetic field differences are not scale invariant, that is the wings of these…

Plasma Physics · Physics 2007-05-23 V. Carbone , L. Sorriso-Valvo , E. Martines , V. Antoni , P. Veltri

Slow magnetic relaxation and two level fluctuations measurements under high current injection is performed in single-contacted ferromagnetic nanostructures. The magnetic configurations of the samples are described by two metastable states…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 J. -E. Wegrowe

Relativistic magnetic turbulence has been proposed as a process for producing nonthermal particles in high-energy astrophysics. Particle energization may be contributed by both magnetic reconnection and turbulent fluctuations, but their…

High Energy Astrophysical Phenomena · Physics 2024-12-18 Divjyot Singh , Omar French , Fan Guo , Xiaocan Li

Relative transverse drift (with respect to the ambient magnetic field) between the weakly magnetized electrons and the unmagnetized ions at the lower altitude (80 km) and between the weakly magnetized ions and unmagnetized dust at the…

Plasma Physics · Physics 2018-06-11 B. P. Pandey , S. V. Vladimirov

A novel plasma equilibrium in the high-$\beta$, Hall regime that produces centrally-peaked, high Mach number Couette flow is described. Flow is driven using a weak, uniform magnetic field and large, cross field currents. Large magnetic…

Plasma Physics · Physics 2020-09-30 K. Flanagan , J. Milhone , J. Egedal , D. Endrizzi , J. Olson , E. E. Peterson , R. Sassella , C. B. Forest

We carry out 3D and 2D PIC-simulations of the expansion of a magnetized plasma that initially uniformly fills a half-space and contains a semi-cylindrical region of heated electrons elongated along the surface of the plasma boundary. This…

The radial characteristics of plasma potential and density around an insulating disc obstacle, placed inside a partially magnetized plasma flow created in cylindrical chamber by hot cathode filament are presented. In the absence of…

Plasma Physics · Physics 2019-09-20 Satadal Das , S. K. Karkari

Realistic models of magnetic reconnection in the solar chromosphere must take into account that the plasma is partially ionized and that plasma conditions within any two magnetic flux bundles undergoing reconnection may not be the same.…

Solar and Stellar Astrophysics · Physics 2015-06-03 Nicholas A. Murphy , Vyacheslav S. Lukin

The twisted local magnetic field at the front or rear regions of the magnetic clouds (MCs) associated with interplanetary coronal mass ejections (ICMEs) is often nearly opposite to the direction of the ambient interplanetary magnetic field…

The radial characteristic of a partially magnetized plasma column created by a hot cathode filament is presented. It is found that in the absence of magnetic field, plasma potential and density varies similarly according to Boltzmann…

Plasma Physics · Physics 2018-10-25 Satadal Das , Shantanu K. Karkari

Small-scale magnetic turbulence observed by the Cluster spacecraft in the plasma sheet is investigated by means of a wavelet estimator suitable for detecting distinct scaling characteristics even in noisy measurements. The spectral…

Electrical resistivities can be different for charge currents travelling parallel or perpendicular to the magnetization in magnetically ordered conductors or semiconductors, resulting in the well-known planar Hall effect and anisotropic…

Mesoscale and Nanoscale Physics · Physics 2018-10-30 J. Liu , L. J. Cornelissen , J. Shan , T. Kuschel , B. J. van Wees

Convection inside the magnetosphere can be regarded as the transfer of magnetic flux and plasma from the magnetotail into the nightside and then convection and drift from there to the dayside. As in many fluid flow situations, the…

Space Physics · Physics 2007-05-23 Gerald Atkinson

The electron dynamics and the mechanisms of power absorption in radio-frequency (RF) driven, magnetically enhanced capacitively coupled plasmas (MECCPs) at low pressure are investigated. The device in focus is a geometrically asymmetric…

A supersonic flow of magnetized plasma is produced by the application of a 1 MA-peak, 500 ns current pulse to a cylindrical arrangement of parallel wires, known as an inverse wire array. The plasma flow is produced by the JxB acceleration…

The Jovian magnetosphere is complicated by the multiple plasma sources and ion species present within it, as well as fast rotation with its dipole axis titled from its rotational axis. To date global models of Jovian have neglected the…

Earth and Planetary Astrophysics · Physics 2016-07-11 Robert M. Winglee , Erika M. Harnett