QUANTUM KINETIC-EQUATION FOR NONEQUILIBRIUM DENSE SYSTEMS

Citation
Vg. Morozov et G. Ropke, QUANTUM KINETIC-EQUATION FOR NONEQUILIBRIUM DENSE SYSTEMS, Physica. A, 221(4), 1995, pp. 511-538
Citations number
43
Categorie Soggetti
Physics
Journal title
ISSN journal
03784371
Volume
221
Issue
4
Year of publication
1995
Pages
511 - 538
Database
ISI
SICI code
0378-4371(1995)221:4<511:QKFNDS>2.0.ZU;2-C
Abstract
Using the density matrix method in the form developed by Zubarev, equa tions of motion for nonequilibrium quantum systems with continuous sho rt range interactions are derived which describe kinetic and hydrodyna mic processes in a consistent way. The T-matrix as well as the two-par ticle density matrix determining the nonequilibrium collision integral are obtained in the ladder approximation including the Hartree-Fock c orrections and the Pauli blocking for intermediate states. It is shown that in this approximation the total energy is conserved. The develop ed approach to the kinetic theory of dense quantum systems is able to reproduce the virial corrections consistent with the generalized Beth- Uhlenbeck approximation in equilibrium, The contribution of many-parti cle correlations to the drift term in the quantum kinetic equation for dense systems is discussed.