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Related papers: Streamer propagation in magnetic field

200 papers

The propagation mechanisms of plasma streamers have been observed and investigated in a surface dielectric barrier discharge (SDBD) using 2D particle in cell simulations. The investigations are carried out under a simulated air mixture,…

Plasma Physics · Physics 2021-08-11 Q. Zhang , R. T. Nguyen-Smith , F. Beckfeld , Y. Liu , T. Mussenbrock , P. Awakowicz , J. Schulze

Current-induced spin torque and magnetization dynamics in the presence of spin diffusion in magnetic textures is studied theoretically. We uncover an additional torque on the form \sim{\bm\nabla}^2[{\bf M}x({\bf u}\cdot{\bm \nabla}){\bf…

Mesoscale and Nanoscale Physics · Physics 2011-10-18 A. Manchon , W. -S. Kim , K. -J. Lee

Probing the transport of fluids within confined domains is important in many areas including material science, catalysis, food science, and cell biology. The diffusion propagator fully characterizes the diffusion process, which is highly…

The dispersive propagation and absorption in the domain of a Drude-Lorentz dielectric modified by a magnetic current are classically investigated, taking as the starting point the Drude electric permittivity, in connection with the chiral…

Optics · Physics 2024-12-02 Pedro D. S. Silva , Mario. J. Neves , Manoel M. Ferreira

A particular mix of integral equations and discretization techniques is suggested for the solution of a planar Helmholtz transmission problem with relevance to the study of surface plasmon waves. The transmission problem describes the…

Computational Physics · Physics 2018-08-01 Johan Helsing , Anders Karlsson

We investigate the magnetohydrodynamics in the presence of an external magnetic field following the power-law decay in proper time and having spatial inhomogeneity characterized by a Gaussian distribution in one of transverse coordinates…

Nuclear Theory · Physics 2016-04-20 Shi Pu , Di-Lun Yang

The Doppler shift of the quasiparticle dispersion by charge currents is responsible for the critical supercurrents in superconductors and instabilities of the magnetic ground state of metallic ferromagnets. Here we predict an analogous…

Mesoscale and Nanoscale Physics · Physics 2021-04-07 Tao Yu , Chen Wang , Michael A. Sentef , Gerrit E. W. Bauer

The problem of electron resonant and non-resonant scatterings on two magnetized barriers is studied in the one-dimension. The transfer-matrix is built up to exactly calculate the coefficient of the electron transmittance through the system…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 Armen N. Kocharian , Avag S. Sahakyan , Ruzan M. Movsesyan

We consider theoretically transport in a spinfull one-channel interacting quantum wire placed in an external magnetic field. For the case of two point-like impurities embedded in the wire, under a small voltage bias the spin-polarized…

Strongly Correlated Electrons · Physics 2010-02-17 Zoran Ristivojevic , George I. Japaridze , Thomas Nattermann

The key properties of the wave propagation theory in the magntosphere of radio pulsars based on the Kravtsov-Orlov equation are presented. It is shown that for radio pulsars with known circular polarization and the swing of the linear…

High Energy Astrophysical Phenomena · Physics 2015-03-18 V. S. Beskin , A. A. Philippov

Streamers, thin, ionized plasma channels, form the early stages of lightning discharges. Here we approach the study of extraterrestrial lightning by studying the formation and propagation of streamer discharges in various nitrogen-methane…

Atmospheric and Oceanic Physics · Physics 2019-08-14 Christoph Köhn , Sasa Dujko , Olivier Chanrion , Torsten Neubert

We explain a mechanism for branching of a planar negative front. Branching occurs as the result of a balance between the destabilizing effect of impact ionization and the stabilizing effect of electron diffusion on ionization fronts. The…

Fluid Dynamics · Physics 2009-11-11 M. Arrayas , M. A. Fontelos , J. L. Trueba

We study long range propagation of electromagnetic waves in random waveguides with rectangular cross-section and perfectly conducting boundaries. The waveguide is filled with an isotropic linear dielectric material, with randomly…

Mathematical Physics · Physics 2013-10-21 Ricardo Alonso , Liliana Borcea

The activity of magnetars is believed to be powered by colossal magnetic energy reservoirs. We sketch an evolutionary picture in which internal field evolution in magnetars generates a twisted corona, form which energy may be released…

High Energy Astrophysical Phenomena · Physics 2016-06-22 S. K. Lander

Flows in which energy is transported predominantly as Poynting flux are thought to occur in pulsars, gamma-ray bursts and relativistic jets from compact objects. The fluctuating component of the magnetic field in such a flow can in…

Astrophysics · Physics 2009-11-07 J. G. Kirk , O. Skjaeraasen

The spin-down power of a pulsar is thought to be carried away in an MHD wind in which, at least close to the star, the energy transport is dominated by Poynting flux. The pulsar drives a low-frequency wave in this wind, consisting of…

Astrophysics · Physics 2009-11-07 J. G. Kirk , Y. Lyubarsky

Through polarization observations water masers are excellent probes of magnetic fields in the maser region. Magnetic field strengths, such as those in the water masers regions of the envelopes of late-type stars and star-forming regions,…

Astrophysics · Physics 2009-11-11 W. H. T. Vlemmings

Spin wave scattering in the right angle ferromagnetic cross was measured. Shape anisotropy defined magnetization ground states at zero biasing magnetic fields. Scattering of the spin waves in the center of ferromagnetic cross is strongly…

Materials Science · Physics 2012-11-07 Alexander Kozhanov , Alexander Anferov , Ajey P. Jacob , S. James Allen

Our goal is to measure and model the magnetic field distribution in the disk wind of the young stellar object (YSO) IRAS 21078+5211. We performed sensitive global Very Long Baseline Interferometry observations of the polarized emission of…

Solar and Stellar Astrophysics · Physics 2023-12-20 Luca Moscadelli , André Oliva , Gabriele Surcis , Alberto Sanna , Maria Teresa Beltrán , Rolf Kuiper

A self-consistent nonlinear hydrodynamic theory is presented of the propagation of a long and thin relativistic electron beam through a plasma that is relatively strongly magnetized, $|\Omega_e|\sim\omega_{pe}$ and whose density is much…

Plasma Physics · Physics 2018-07-04 Dusan Jovanovic , Renato Fedele , Milivoj Belic , Sergio De Nicola