arXiv subjects

Ya. S. Prager

Publications and source records attributed to Ya. S. Prager.

2 recordsLinked to original sources

arXiv1996

Microscopic derivation of rate equations for quantum transport

It is shown that under certain conditions the resonant transport in mesoscopic systems can be described by modified (quantum) rate equations, which resemble the optical Bloch equations with some additional terms. Detailed microscopic derivation from the many-body Schrödinger equation is presented. Special attention is paid to the Coulomb blockade and quantum coherence effects in coupled quantum dot systems. The distinction between classical and quantum descriptions of resonant transport is clearly manifested in the modified rate equations.

cond-mat↗

arXiv1993

Resonant Tunneling and the Pauli Principle

A new method based on modified optical Bloch equations is proposed for studying resonant tunneling in semiconductor heterostructures. The method manifestly takes account of electrons' statistics, which enables to investigate the influence of the Pauli principle on resonant tunneling in presence of inelastic scattering. Being applied to evaluation of the resonant current in semiconductor heterostructures, our approach predicts considerable deviations from the one-electron picture.

cond-mat↗