General solution of the quantum damped harmonic oscillator II: Some examples

Kazuyuki Fugii, Tatsuo Suzuki

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


In the preceding paper (arXiv: 0710.2724 [quant-ph]) we have constructed the general solution for the master equation of quantum damped harmonic oscillator, which is given by the complicated infinite series in the operator algebra level. In this paper we give the explicit and compact forms to solutions (density operators) for some initial values. In particular, the compact one for the initial value based on a coherent state is given, which has not been given as far as we know. Moreover, some related problems are presented.

Original languageEnglish
Pages (from-to)225-231
Number of pages7
JournalInternational Journal of Geometric Methods in Modern Physics
Issue number2
Publication statusPublished - 2009


  • Coherent state
  • Density operator
  • Initial value
  • Quantum damped harmonic oscillator
  • Squeezed state

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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