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Non-Markovian dynamics in continuous-wave atom lasers

In: Macroscopic Quantum Coherence and Quantum Computing

Author

Listed:
  • H. P. Breuer

    (Albert-Ludwigs-Universität, Fakultät für Physik)

  • D. Faller

    (Albert-Ludwigs-Universität, Fakultät für Physik)

  • B. Kappler

    (Albert-Ludwigs-Universität, Fakultät für Physik)

  • F. Petruccione

    (Albert-Ludwigs-Universität, Fakultät für Physik
    Istituto Italiano per gli Studi Filosofici)

Abstract

The non-Markovian dynamics of a continuous-wave atom laser model including gravitational effects and interactions inside the Bose-Einstein condensate is studied. A generalization of the time-convolutionless projection operator technique presented in this article enables a correct modeling of memory effects in the atom laser which takes into account correlations in the initial state of the combined atom-reservoir system. This generalization allows the computation of both the occupation number of the condensate and the spectrum of the atoms coupled out of the condensate. The non-Markovian evolution is shown to yield substantial deviations from results obtained in the Born-Markov approximation.

Suggested Citation

  • H. P. Breuer & D. Faller & B. Kappler & F. Petruccione, 2001. "Non-Markovian dynamics in continuous-wave atom lasers," Springer Books, in: Dmitri V. Averin & Berardo Ruggiero & Paolo Silvestrini (ed.), Macroscopic Quantum Coherence and Quantum Computing, pages 367-380, Springer.
    • Handle: RePEc:spr:sprchp:978-1-4615-1245-5_37
    DOI: 10.1007/978-1-4615-1245-5_37
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