Thermal coherent states in the Bargmann representation.

  title={Thermal coherent states in the Bargmann representation.},
  author={Vourdas and Bishop},
  journal={Physical review. A, Atomic, molecular, and optical physics},
  volume={50 4},
  • Vourdas, Bishop
  • Published 1 October 1994
  • Physics, Medicine
  • Physical review. A, Atomic, molecular, and optical physics
The thermal coherent states considered previously by the present authors represent an alternative mixed-state generalization of the usual pure-state coherent states. They describe displaced harmonic oscillators in thermodynamic equilibrium with a heat bath at nonzero temperature. We show how they provide a "random" (or "thermal" or "noisy") basis on a quantum-mechanical Hilbert space scrH. Their usefulness rests on the fact that the corresponding statistical density operator provides a… 
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