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Transfer of quantum correlations in nonunitary evolution

  • Atoms, Spectra, Radiations
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Abstract

A generalized Lindblad equation has been derived for describing the evolution of two dynamical systems interacting with a bath formed by two broadband modes of squeezed light in an entangled state. The transfer of quantum correlations, in particular, entanglement between the bath and dynamic systems, which are taken in the form of two electromagnetic field modes separated by two high-Q cavities, two atoms, and an atom and a mode, has been analyzed. It has been found that the entanglement of the bath is transferred both to two modes and to two atoms, which can form an almost perfect Einstein-Podolsky-Rosen pair. It has been shown that the interaction of the bath with the system consisting of an atom and a mode for which collective boson operators are introduced leads to the appearance of coherent and squeezed states.

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References

  1. P. van Loock and S. L. Braunstein, Phys. Rev. Lett. 84, 3482 (1998).

    Article  Google Scholar 

  2. J.W. Pan, D. Bouwmeester, H. Weinfurter, and A. Zeilinger, Phys. Rev. Lett. 80, 3891 (1998).

    Article  MATH  ADS  MathSciNet  Google Scholar 

  3. N. Takei, H. Yonezawa, T. Aoki, and A. Furusawa, Phys. Rev. Lett. 94, 220502 (2005).

    Google Scholar 

  4. C. W. Gardiner, Phys. Rev. Lett. 56, 1917 (1986).

    Article  ADS  Google Scholar 

  5. G. M. Palma and P. L. Knight, Phys. Rev. A 39, 1962 (1989).

    Article  ADS  Google Scholar 

  6. A. M. Basharov, Pis’ma Zh. Eksp. Teor. Fiz. 75, 151 (2002) [JETP Lett. 75, 123 (2000)]; Zh. Eksp. Teor. Fiz. 121, 1249 (2002) [JETP 94, 1070 (2002)].

    Google Scholar 

  7. P. van Loock, S. L. Braunstein, and H. J. Kimble, Phys. Rev. A 62, 022309 (2000); G. O. Rytikov and M. V. Chekhova, Zh. Eksp. Teor. Fiz. 134, 1082 (2008) [JETP 107, 923 (2008)].

  8. M. Paternostro, W. Son, M. S. Kim, et al., Phys. Rev. A 70, 022320 (2004).

  9. B. Kraus, H. P. Buchler, S. Dieh, et al., Phys. Rev. A 78, 042307 (2008).

  10. C. W. Gardiner and M. J. Collett, Phys. Rev. A 31, 3761 (1985).

    Article  ADS  MathSciNet  Google Scholar 

  11. A. M. Basharov, Zh. Eksp. Teor. Fiz. 111, 25 (1997) [JETP 84, 13 (1997)]; V. N. Gorbachev and A. I. Trubilko, Zh. Eksp. Teor. Fiz. 132, 355 (2007) [JETP 105,314 (2007)].

    Google Scholar 

  12. A. Peres, Phys. Rev. Lett. 77, 1413 (1996); M. Horodecki, P. Horodecki, and R. Horodecki, Phys. Lett. A 223, 1 (1996).

    Article  MATH  ADS  MathSciNet  Google Scholar 

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Authors and Affiliations

  1. St. Petersburg State University of Aerospace Instrument Engineering, ul. Bol’shaya Morskaya 67, St. Petersburg, 119000, Russia

    V. N. Gorbachev & A. I. Trubilko

Authors
  1. V. N. Gorbachev
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  2. A. I. Trubilko
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Original Russian Text © V.N. Gorbachev, A.I. Trubilko, 2009, published in Pis’ma v Zhurnal Éksperimental’noĭ i Teoreticheskoĭ Fiziki, 2009, Vol. 89, No. 10, pp. 571–576.

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Gorbachev, V.N., Trubilko, A.I. Transfer of quantum correlations in nonunitary evolution. Jetp Lett. 89, 479–484 (2009). https://doi.org/10.1134/S0021364009100026

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  • DOI: https://doi.org/10.1134/S0021364009100026

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