Thermalized Displaced Squeezed Thermal States

Details Thermalized Displaced Squeezed Thermal States Thermalized Displaced Squeezed Thermal States

1999-05-24

arxiv.org/abs/quant-ph/9905073v1

J.Phys.A33:479-486,2000

Physics

Quantum Physics

7 pages, no figures, Revtex file

Scientific paper

10.1088/0305-4470/33/3/304

In the coordinate representation of thermofield dynamics, we investigate the thermalized displaced squeezed thermal state which involves two temperatures successively. We give the wavefunction and the matrix element of the density operator at any time, and accordingly calculate some quantities related to the position, momentum and particle number operator, special cases of which are consistent with the results in the literature. The two temperatures have diffenent correlations with the squeeze and coherence components. Moreover, different from the properties of the position and momentum, the average value and variance of the particle number operator as well as the second-order correlation function are time-independent.

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