中文
相关论文

相关论文: Pauli blocking effects in thermalization of relati…

200 篇论文

The observation of Pauli blocking of atomic spontaneous decay via direct measurements of the atomic population requires the use of long-lived atomic gases where quantum statistics, atom recoil and cooperative radiative processes are all…

A technique is proposed to cool Fermi gases to the regime of quantum degeneracy based on the expected inhibition of spontaneous emission due to the Pauli principle. The reduction of the linewidth for spontaneous emission originates a…

量子气体 · 物理学 2016-11-22 Roberto Onofrio

The Pauli exclusion principle in quantum mechanics has a profound influence on the structure of matter and on interactions between fermions. Almost 30 years ago it was predicted that the Pauli exclusion principle could lead to a suppression…

Hydrodynamical analysis of experimental data of ultrarelativistic heavy ion collisions seems to indicate that the hot QCD matter created in the collisions thermalizes very quickly. Theoretically, we have no idea why this should be true. In…

高能物理 - 唯象学 · 物理学 2013-03-20 Aleksi Kurkela

Starting from a nonequilibrium configuration we analyse the essential role of the direct and the inverse binary and triple interactions in reaching an asymptotic thermal equilibrium in a homogeneous isotropic electron-positron-photon…

等离子体物理 · 物理学 2007-09-26 A. G. Aksenov , R. Ruffini , G. V. Vereshchagin

Pauli blocking of spontaneous emission by a single excited-state atom has been predicted to be dramatic at low temperature when the Fermi energy $E_\mathrm{F}$ exceeds the recoil energy $E_\mathrm{R}$. The photon scattering rate of a…

量子气体 · 物理学 2012-01-11 B. Shuve , J. H. Thywissen

In dense stars the nuclear reaction rates are influenced by screening effects arising from both ions and electrons. In this paper we calculate the enhancement factors due to electron polarization in the high-density, degenerate and…

天体物理学 · 物理学 2009-10-30 Mikael Sahrling , Gilles Chabrier

The nucleon final-state interaction in inclusive electron-nucleus quasielastic scattering is studied. Based on the unitarity equation satisfied by the scattering-wave operators, a doorway model is developed to take into account the…

核理论 · 物理学 2009-03-19 Lon-chang , Liu

We report on further investigation of nuclear hyperpolarization of helium-3 in magnetized plasma at a magnetic field of 3.66 T and at different experimental conditions in a dual cell of relatively large volume, compared to those reported in…

原子物理 · 物理学 2022-08-16 Alexander Makarchenko , Vyacheslav Kuzmin , Kajum Safiullin , Murat Tagirov

We derive a general expression for the absorptive part of the one-loop photon polarization tensor in a strongly magnetized quark-gluon plasma at nonzero baryon chemical potential. To demonstrate the application of the main result in the…

核理论 · 物理学 2021-10-19 Xinyang Wang , Igor Shovkovy

The collisional coupling of relativistic electrons and non-relativistic ions in hot plasmas has been analysed. It is found that relativistic effects produce a new feature: while the condition T_e<3T_i guarantees a stable collisional…

等离子体物理 · 物理学 2013-02-12 I. Marushchenko , N. A. Azarenkov , N. B. Marushchenko

Pauli blockade occurs when the excited electrons fill up the states near the conduction bands and block subsequent absorption in semiconductors, and has been widely applied in mode-locking for passively-pulsed-laser systems. In this letter,…

Nonlinear electronic excitation in laser-irradiated silicon at finite electron temperatures is numerically investigated by first-principles calculations based on the time-dependent density functional theory. In bulk silicon at finite…

材料科学 · 物理学 2025-02-05 Shunsuke Yamada , Tomohito Otobe

In this study, we examine thermal conductivity and the thermal Hall effect in electron-ion plasmas relevant to hot neutron stars, white dwarfs, and binary neutron star mergers, focusing on densities found in the outer crusts of neutron…

高能天体物理现象 · 物理学 2024-11-18 Arus Harutyunyan , Armen Sedrakian

This paper extends our earlier work on the acceleration of low-energy electrons by plasma turbulence to include the effects of finite temperature of the plasma. We consider the resonant interaction of thermal electrons with the whole…

天体物理学 · 物理学 2009-10-30 Julia Pryadko , Vahe Petrosian

We report on the self-induced electron trapping occurring in a ultracold neutral plasma that is set to expand freely. At the early stages of the plasma, the ions are not thermalized follow a Gaussian spatial profile, providing the trapping…

等离子体物理 · 物理学 2019-03-27 R. Ayllon , H. Terças , J. T. Mendonça

In this theoretical study, the problem of self-focusing of an X-ray intense laser beam in the thermal quantum plasma is studied. Using a relativistic fluid model and taking into account the hydrodynamic pressure of degenerate electrons in…

等离子体物理 · 物理学 2018-11-14 Ramin Roozehdar Mogaddam , Naser Sepehri Javan , K. Javidan , Hosein Mohammadzadeh

Three-body recombination, an important collisional process in plasmas, increases dramatically at low electron temperatures, with an accepted scaling of T_e^-9/2. We measure three-body recombination in an ultracold neutral xenon plasma by…

原子物理 · 物理学 2009-11-13 R. S. Fletcher , X. L. Zhang , S. L. Rolston

We study the evolution of ultracold plasmas by measuring the electron temperature. Shortly after plasma formation, competition between heating and cooling mechanisms drives the electron temperature to a value within a narrow range…

原子物理 · 物理学 2009-11-10 J. L. Roberts , C. F. Fertig , M. L. Lim , S. L. Rolston

We have used the free expansion of ultracold neutral plasmas as a time-resolved probe of electron temperature. A combination of experimental measurements of the ion expansion velocity and numerical simulations characterize the crossover…

原子物理 · 物理学 2009-11-13 P. Gupta , S. Laha , C. E. Simien , H. Gao , J. Castro , T. Pohl , T. C. Killian