نتایج جستجو برای: plasma kinetic theory
تعداد نتایج: 1203725 فیلتر نتایج به سال:
We investigate the kinetic theory of a mixing of rela-tivistic pair plasma in a conventional electron-proton plasma and an intense anisotropic Compton radiation field as those found in the vicinity of a compact object, a neutron star or a black hole. In a two-flow configuration we discriminate two regimes: the first one is realized when the mass energy density of the pair plasma is lower than t...
We consider a quantum Langevin kinetic equation for system of fermions. first derive the force noise correlation functions in Landau's Fermi-liquid theory from general considerations. then use resulting to calculate equilibrium dynamic structure factor collisionless regime at low temperatures. The result is agreement with conventional many-body result. both fluctuating Navier-Stokes equations f...
In kinetic treatments of hydrodynamics the macroscopic variables such as density and momentum are given by moments of distribution functions. In discrete kinetic theory it is possible to construct a complete set of moments whose evolution provides a complete description of the dynamics of the underlying kinetic equation. Moreover, the collision operator is most easily specified by its action up...
The rotation of polarization occurs for light interacting with chiral materials. It requires the states opposite chiralities interact differently We demonstrate analogous also exists fermions quantum electrodynamics plasma vorticity using kinetic theory. find that is perpendicular both to and fermion momentum. effect in chromodynamics vorticity. could lead generation a vector current when probe...
A kinetic theory of resonant interaction between electrostatic waves and the bounce motion of electrostatically trapped electrons is developed. Precise criteria are derived for the stability of electrostatic potential structures which trap electrons in a highly magnetized plasma. The theory explains the energy transfer from electron phase space holes to waves observed in simulations. It may als...
Shear viscosity is a measure of the amount of dissipation in a simple fluid. In kinetic theory shear viscosity is related to the rate of momentum transport by quasi-particles, and the uncertainty relation suggests that the ratio of shear viscosity η to entropy density s in units of h̄/kB is bounded by a constant. Here, h̄ is Planck’s constant and kB is Boltzmann’s constant. A specific bound has b...
Nonlinear quadratic functional integral equations are often applicable for instance in the theory of radiative transfer, kinetic theory of gases, in the theory of neutron transport, in traffic theory and in numerous branches of mathematical physics (cf. [3, 7, 10, 11]). Additionally, some problems (motivated by some practical interests in plasma physics) was investigated in [28]. It is worthwhi...
In these lectures, I will attempt a pedagogical and qualitative introduction to the theory of equilibrium and thermalization of quark-gluon plasmas. I assume only that the reader is familiar with quantum field theory at zero temperature and with QCD as the theory of the strong interactions. I focus on the limit of small αs, which in principle should be relevant at extremely high temperature bec...
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