Time-dependent projection operator used for separating subsystem variables and its application in laser theory

A. M. Khazanov, G. A. Koganov, E. P. Gordov

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

A new version of the projection operator is proposed that allows its application area to be extended, including a general treatment of nonequilibrium subsystems. The modified operator form is used as a means of separating the subsystem variables. The given approach furnishes a simple recipe for the derivation of the dynamic equations and the closed master equation. An example of the operator application to the quantum laser theory is considered.

Original languageEnglish
Pages (from-to)7-10
Number of pages4
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume133
Issue number1-2
DOIs
StatePublished - 31 Oct 1988
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (all)

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