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相关论文: Shielding of a moving test charge in a quantum pla…

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The effective dynamically screened potential of a classical ion in a stationary flowing quantum plasma at finite temperature is investigated. This is a key quantity for thermodynamics and transport of dense plasmas in the warm dense matter…

等离子体物理 · 物理学 2015-03-05 Zhandos Moldabekov , Patrick Ludwig , Michael Bonitz , Tlekkabul Ramazano

The formula for dielectric function of non-degenerate and maxwellian collisional plasmas is transformed to the form, convenient for research. Graphic comparison of longitudinal dielectric functions of quantum and classical non-degenerate…

等离子体物理 · 物理学 2013-01-09 A. V. Latyshev , A. A. Yushkanov

A charged particle moving through a plasma experiences a friction force that commonly acts antiparallel to its velocity. It was recently predicted that in strongly magnetized plasmas, in which the plasma particle gyro-frequency exceeds the…

等离子体物理 · 物理学 2020-10-14 David J. Bernstein , Trevor Lafleur , Jerome Daligault , Scott D. Baalrud

The kinetics of irreversible annihilation of charged particles performing overdamped motion induced by long-range interaction force, $F(r)\sim r^{-\lambda}$, is investigated. The system exhibits rich kinetic behaviors depending on the force…

凝聚态物理 · 物理学 2009-10-28 I. Ispolatov , P. Krapivsky

By combining the linear theory and numerical simulations, we study the response of a radially bounded axisymmetric plasma to relativistic charged particle beams in a wide range of plasma densities. We present analytical expressions for the…

等离子体物理 · 物理学 2018-07-04 A. A. Gorn , P. V. Tuev , A. V. Petrenko , A. P. Sosedkin , K. V. Lotov

For short wavelengths, it is well known that the linearized Wigner-Moyal equation predicts wave damping due to wave-particle interaction, where the resonant velocity shifted from the phase velocity by a velocity $v_q = \hbar k/2m$. Here…

等离子体物理 · 物理学 2017-11-15 Gert Brodin , Robin Ekman , Jens Zamanian

The relaxation rate of a Maxwellian velocity distribution function that has an initially anisotropic temperature $(T_\parallel \neq T_\perp)$ is an important physical process in space and laboratory plasmas. It is also a canonical example…

等离子体物理 · 物理学 2017-06-07 Scott D. Baalrud , Jerome Daligault

The Debye shielding of a charge immersed in a flowing plasma is an old classic problem in plasma physics. It has been given renewed attention in the last two decades in view of experiments with complex plasmas, where charged dust particles…

等离子体物理 · 物理学 2015-06-18 Roman Kompaneets , Alexei V. Ivlev , Vladimir Nosenko , Gregor E. Morfill

The decays of the Langmuir waves in dense plasmas are computed using the dielectric function theory widely used in the solid state physics. Four cases are considered: a classical plasma, a Maxwellian plasma, a degenerate quantum plasma, and…

等离子体物理 · 物理学 2010-04-29 S. Son , S. Ku , Sung Joon Moon

Charged particles scattering on moving inhomogenities of the magnetised interstellar medium can gain energy through the process of second-order Fermi acceleration. This energy gain depletes in turn the magnetic wave spectrum around the…

高能天体物理现象 · 物理学 2020-10-14 M. Kachelriess , J. Tjemsland

We study the dynamics of a heavy particle of mass $M$ moving in a one-dimensional repulsively interacting Fermi gas. The Fermi gas is described using the Luttinger model and bosonization. By transforming to a frame co-moving with the heavy…

凝聚态物理 · 物理学 2009-10-28 A. H. Castro Neto , Matthew P. A. Fisher

We present evidence that relativistic shocks propagating in unmagnetized plasmas can self-consistently accelerate particles. We use long-term two-dimensional particle-in-cell simulations to study the well-developed shock structure in…

天体物理学 · 物理学 2009-11-13 Anatoly Spitkovsky

We study the effective interactions between a test charge Q and a one-component plasma, i.e. a complex made up of mobile point particles with charge q, and a uniform oppositely charged background. The background has the form of a flat disk,…

统计力学 · 物理学 2012-04-27 G. Téllez , E. Trizac

By considering momentum transfer in the Fermi constraint procedure, the stability of the initial nuclei and fragments produced in heavy-ion collisions can be further improved in the quantum molecular dynamics simulations. The case of the…

核理论 · 物理学 2016-05-25 Ning Wang , Tong Wu , Jie Zeng , Yongxu Yang , Li Ou

Transport properties of the ionic component of dense plasmas are investigated on the basis of effective potentials taking into account the presence of an external alternating electrical (laser) field. The latter generates single particle…

等离子体物理 · 物理学 2022-09-07 S. K. Kodanova , M. K. Issanova , G. K. Omiraliyeva , T. S. Ramazanov

We study the dynamic response of a Fermi liquid in the spin, charge and nematic channels beyond the random phase approximation for the dynamically screened Coulomb potential. In all the channels, one-loop order corrections to the…

强关联电子 · 物理学 2018-09-26 Vladimir A. Zyuzin , Prachi Sharma , Dmitrii L. Maslov

The fermion self-energy is calculated for a cold QED plasma with chiral chemical potential in a magnetic field. It is found that a momentum shift parameter dynamically generated in such a plasma leads to a modification of the chiral…

核理论 · 物理学 2016-12-21 D. O. Rybalka

Formulas for transverse conductance and dielectric permeability in quantum non-degenerate and Maxwellian collisional plasma with arbitrary variable collision frequency in Mermin's approach are deduced. Frequency of collisions of particles…

等离子体物理 · 物理学 2013-02-19 A. V. Latyshev , A. A. Yushkanov

We study some aspects of the quantum theory of a charged particle moving in a time-independent, uni-directional magnetic field. When the field is uniform, we make a few clarifying remarks on the use of angular momentum eigenstates and…

高能物理 - 理论 · 物理学 2009-11-10 A. Das , J. Frenkel , S. H. Pereira , J. C. Taylor

Formulas for transversal conductance and dielectric permeability (dielectric function) in quantum Maxwell collisional plasma are deduced. The kinetic equation with collision integral in the form relaxation type is used.

等离子体物理 · 物理学 2012-06-01 A. V. Latyshev , A. A. Yushkanov