Exact thermodynamic behaviour of a collective atomic system in an external field

R.R. Puri and S.V. Lawande

Physica A: Statistical Mechanics and its Applications, 1980, vol. 101, issue 2, 599-612

Abstract: An exact steady-state density operator is obtained for a model describing the collective behaviour of a system of N two-level atoms. The model yields a Fokker-Planck equation which does not satisfy detailed balance. The density operator is further employed to obtain exact analytical expressions for steady-state expectation values of the collective atomic operators both for finite N and in the thermodynamic limit N → ∞.

Date: 1980
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:101:y:1980:i:2:p:599-612

DOI: 10.1016/0378-4371(80)90198-3

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