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 language | English |
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Pages (from-to) | 7-10 |
Number of pages | 4 |
Journal | Physics Letters, Section A: General, Atomic and Solid State Physics |
Volume | 133 |
Issue number | 1-2 |
DOIs | |
State | Published - 31 Oct 1988 |
Externally published | Yes |
ASJC Scopus subject areas
- General Physics and Astronomy