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Proceedings Paper

The Lindblad dynamics of a Fermi system in a particle dissipative environment
Author(s): Eliade N. Stefanescu; Paul E. Sterian; Andreea-Rodica P. Sterian
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Paper Abstract

An essential problem of the quantum information systems is the controllability and observability of the quantum states, generally described by Lindblad's master equation with phenomenological coefficients. However, in its general form, this equation describes a decay of the mean-values, but not necessarily the expected decaying transitions. We propose a quantum master equation with microscopic coefficients where these transitions are correctly described, and investigate the properties of the dissipative coefficients. Being of Lindblad's form, this equation preserves the quantum-mechanical properties of the density matrix during the whole evolution of the system and is in accordance with the entropy principle. On this basis, generalized Bloch-Feynman equations with microscopic coefficients for N-level systems are obtained.

Paper Details

Date Published: 14 November 2003
PDF: 9 pages
Proc. SPIE 5147, ALT'02 International Conference on Advanced Laser Technologies, (14 November 2003); doi: 10.1117/12.537568
Show Author Affiliations
Eliade N. Stefanescu, Polytechnic Univ. of Bucharest (Romania)
Horia Hulubei National Institute of Physics and Nuclear Engineering (Romania)
Paul E. Sterian, Polytechnic Univ. of Bucharest (Romania)
Andreea-Rodica P. Sterian, Polytechnic Univ. of Bucharest (Romania)

Published in SPIE Proceedings Vol. 5147:
ALT'02 International Conference on Advanced Laser Technologies
Heinz P. Weber; Vitali I. Konov; Thomas Graf, Editor(s)

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