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In turbulent magnetized plasmas, charged particles can be accelerated to high energies through their interactions with the turbulent motions. As they do so, they draw energy from the turbulence, possibly up to the point where they start…

高能天体物理现象 · 物理学 2024-03-11 M. Lemoine , K. Murase , F. Rieger

As a generic model for transport of interacting fermions through a barrier or interstitials in a lattice, quantum Brownian motion in a periodic potential is studied. There is a duality transformation between the continuous coordinate or…

凝聚态物理 · 物理学 2007-05-23 M. Sassetti , H. Schomerus , U. Weiss

Transfer of free energy from large to small velocity-space scales by phase mixing leads to Landau damping in a linear plasma. In a turbulent drift-kinetic plasma, this transfer is statistically nearly canceled by an inverse transfer from…

等离子体物理 · 物理学 2016-07-19 J. T. Parker , E. G. Highcock , A. A. Schekochihin , P. J. Dellar

We study the electrical susceptibility of a hydrogen gas at equilibrium, partially ionized by thermal excitations. The gas is described as a quantum plasma of point protons and electrons, interacting via the Coulomb potential. Using the…

统计力学 · 物理学 2009-11-10 V. Ballenegger , Ph. A. Martin

The particle current in a metastable Fermi liquid against a first-order phase transition is calculated at zero temperature. During fluctuations of a droplet of the stable phase, in accordance with the conservation law, not only does an…

凝聚态物理 · 物理学 2009-10-31 Kei Iida

We review in detail the derivation of the dielectric response function of a noninteracting system of spin-1/2 fermions in the random-phase approximation. Results for the response function of a Fermi gas in one, two and three dimensions can…

量子气体 · 物理学 2011-11-24 Bogdan Mihaila

We demonstrate the experimental feasibility of incompressible fractional quantum Hall-like states in ultra-cold two dimensional rapidly rotating dipolar Fermi gases. In particular, we argue that the state of the system at filling fraction…

介观与纳米尺度物理 · 物理学 2009-11-10 M. A. Baranov , Klaus Osterloh , M. Lewenstein

The electric microfield distribution at charged particles is studied for two-component electron-ion plasmas using molecular dynamics simulation and theoretical models. The particles are treated within classical statistical mechanics using…

等离子体物理 · 物理学 2009-11-11 H. B. Nersisyan , C. Toepffer , G. Zwicknagel

We investigate the motion of charged particles in a turbulent electrostatic potential using guiding-center theory. By increasing the Larmor radius, the dynamics exhibit close-to-ballistic transport properties. The transition from diffusive…

等离子体物理 · 物理学 2023-09-07 Matteo Stanzani , Filippo Arlotti , Guido Ciraolo , Xavier Garbet , Cristel Chandre

Results of a previous article with the same title are retrieved by a different method. A one-component plasma is bounded by a plane surface. The plasma is fully coupled to the electromagnetic field, therefore the charge correlations are…

统计力学 · 物理学 2009-02-16 Bernard Jancovici , Ladislav Samaj

The decay of the Langmuir waves in dense plasmas is not accurately predicted by the prevalent Landau damping theory. A dielectric function theory is introduced, predicting much higher damping than the Landau damping theory. This strong…

等离子体物理 · 物理学 2015-05-18 S. Son , S. Ku , Sung Joon Moon

Debye shielding, collisional transport, Landau damping of Langmuir waves, and spontaneous emission of these waves are introduced, in typical plasma physics textbooks, in different chapters. This paper provides a compact unified introduction…

等离子体物理 · 物理学 2012-11-26 Dominique Escande , Fabrice Doveil , Yves Elskens

In this work we study a system of two distinguishable fermions in a 1D harmonic potential. This system has the exceptional property that there is an analytic solution for arbitrary values of the interparticle interaction. We tune the…

量子气体 · 物理学 2013-07-16 G. Zürn , F. Serwane , T. Lompe , A. N. Wenz , M. G. Ries , J. E. Bohn , S. Jochim

We determine the drag and the momentum diffusion coefficients of heavy fermion in dense plasma. It is seen that in degenerate matter drag coefficient at the leading order mediated by transverse photon is proportional to $(E-\mu)^2$ while…

高能物理 - 唯象学 · 物理学 2014-11-21 Sreemoyee Sarkar , Abhee K. Dutt-Mazumder

Incidental degeneracy and metallic character is probed for weakly coupled plasmas in free and confined environments. The generality of incidental degeneracy in quantum mechanical systems is discussed and demonstrated. It is a fundamental…

等离子体物理 · 物理学 2025-01-16 Neetik Mukherjee , Amlan K. Roy

By investigation of the dielectric response of a Fermi-Dirac plasma in the linear limit and evaluation of the electrostatic potential around the positive stationary test charge, we find that the Shukla-Eliasson attractive force is present…

地球与行星天体物理 · 物理学 2015-06-05 M. Akbari-Moghanjoughi

Landau's Fermi-liquid (FL) theory has been successful at the phenomenological description of the normal phase of many different Fermi systems. Using a dilute atomic Fermi fluid with tunable interactions, we investigate the microscopic basis…

The stopping power and energy loss rate of charged particles traversing a two-dimensional Dirac plasma is investigated. The Dirac plasma considered here models a solid state system, recently realized graphene monolayer, where the conduction…

介观与纳米尺度物理 · 物理学 2008-08-26 Aqsa Arshad , Kashif Sabeeh , M. Tahir

It is shown that the transport in low temperature, collisional, bounded plasma is enhanced by instabilities at high magnetic field. While the magnetic field confines the electrons in a stable plasma, the instability completely destroys the…

等离子体物理 · 物理学 2019-09-04 R. Lucken , A. Bourdon , M. Lieberman , P. Chabert

We report magneto-transport measurements in wide GaAs quantum wells with tunable density to probe the stability of the fractional quantum Hall effect at filling factor $\nu = $ 5/2 in the vicinity of the crossing between Landau levels (LLs)…

介观与纳米尺度物理 · 物理学 2012-03-06 Yang Liu , D. Kamburov , M. Shayegan , L. N. Pfeiffer , K. W. West , K. W. Baldwin