Results 31 to 40 of about 3,164,544 (309)

Relativistic Collisionless Shocks in Inhomogeneous Magnetized Plasmas

open access: yesThe Astrophysical Journal Letters, 2023
Relativistic collisionless shocks are associated with efficient particle acceleration when propagating into weakly magnetized homogeneous media; as the magnetization increases, particle acceleration becomes suppressed.
Camilia Demidem   +2 more
doaj   +1 more source

Evaluating the Adiabatic Invariants in Magnetized Plasmas Using a Classical Ehrenfest Theorem

open access: yesEntropy, 2023
In this article, we address the reliance on probability density functions to obtain macroscopic properties in systems with multiple degrees of freedom as plasmas, and the limitations of expensive techniques for solving Equations such as Vlasov’s.
Abiam Tamburrini   +2 more
doaj   +1 more source

Generalized CMB initial conditions with pre-equality magnetic fields [PDF]

open access: yes, 2008
The most general initial conditions of CMB anisotropies, compatible with the presence of pre-equality magnetic fields, are derived. When the plasma is composed by photons, baryons, electrons, CDM particles and neutrinos, the initial data of the truncated
E. Battaner   +6 more
core   +2 more sources

Magnetization of Small Lead Particles [PDF]

open access: yesPhysical Review Letters, 2003
7 pages, 5 figures, Submitted to ...
Reich, S.   +3 more
openaire   +3 more sources

Magnetization Model for Particle Magnetic Interaction

open access: yesIEEE Translation Journal on Magnetics in Japan, 1993
A new medium magnetization model that takes account of the magnetic interaction of particles has been developed. It is based on the curling magnetization reversal model, and incorporates Atherton's function for the mean field interaction. It is very easy to build the mean field function into the algorithm of our medium model.
M. Hirokoh, I. Tagawa, Y. Nakamura
openaire   +2 more sources

On the photon-pseudoscalar particle mixing in media and external fields

open access: yesEuropean Physical Journal C: Particles and Fields, 2021
In this work, I study the mixing of photons with pseudoscalar particles and vice-versa in the presence of an external magnetic field and a pseudoscalar field.
Damian Ejlli
doaj   +1 more source

Magnetic Characterization of Bacterial Magnetic Particles.

open access: yesJournal of the Japan Society of Powder and Powder Metallurgy, 1996
Mössbauer measurement, chemical analysis (ratio of Fe2+ to total Fe content), analyses of the rotational hysteresis loss (Wr) and the magnetic viscosity coefficient (Sv) for bacterial magnetic particles covered with organic thin films (BMPs) were investigated and compared with the results for Fe3O4 fine particles prepared by a chemical coprecipitation ...
Nishio, H.   +4 more
openaire   +4 more sources

Penrose Process: Its Variants and Astrophysical Applications

open access: yesUniverse, 2021
We present a review of the Penrose process and its modifications in relation to the Kerr black holes and naked singularities (superspinars). We introduce the standard variant of this process, its magnetic version connected with magnetized Kerr black ...
Zdeněk Stuchlík   +2 more
doaj   +1 more source

Neutrino flares from black hole coronae [PDF]

open access: yes, 2011
We present a model for neutrino flares in accreting black holes based on the injection of a non-thermal population of relativistic particles in a magnetized corona.
Cadolle Bel   +27 more
core   +3 more sources

Thermal instability in ionized plasma [PDF]

open access: yes, 2009
We study magnetothermal instability in the ionized plasmas including the effects of Ohmic, ambipolar and Hall diffusion. Magnetic field in the single fluid approximation does not allow transverse thermal condensations, however, non-ideal effects highly ...
A. Burkert   +27 more
core   +1 more source

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