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Exact solution in the damped Cummings-Tavis model and entanglement

  • Proceedings of the X International Conference on Quantum Optics
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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

An exact analytical expression is found for the density matrix of a system composed of a photon mode and two two-level dipole-dipole interacting atoms in a cavity with losses. The behavior of the atom-atom entanglement has been investigated on the basis of the Peres-Horodecki criterion.

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References

  1. Einstein, A., Podolsky, B., and Rosen, N., Phys. Rev., 1935, vol. 47, p. 777.

    Article  MATH  ADS  Google Scholar 

  2. Klyshko, D.N., Usp. Fiz. Nauk, 1998, vol. 168, p. 975.

    Google Scholar 

  3. Peres, A., Rev. Mod. Phys., 2004, vol. 76, p. 93.

    Article  ADS  MathSciNet  Google Scholar 

  4. Bargatin, I.V., Grishanin, B.A., and Zadkov, V.N., Usp. Fiz. Nauk, 2001, vol. 171, p. 625.

    Article  Google Scholar 

  5. Horodecki, R., Horodecki, P., Horodecki, M., and Horodecki, K., Quantum Entanglement, arXiv: quant-ph/070225v1 (2007).

  6. Tavis, M. and Cummings, F.W., Phys. Rev., 1968, vol. 170, p. 379.

    Article  ADS  Google Scholar 

  7. Peres, A., Phys. Rev. A: At., Mol., Opt. Phys., 1996, vol. 54, p. 2685; Horodecki, M., Horodecki, P., and Horodecki, R., Phys. Lett. A, 1997, vol. 223, p. 1.

    ADS  Google Scholar 

  8. Breuer, H.-P. and Petruccione, F., The Theory of Open Quantum Systems, Oxford: Oxford Univ. Press, 2002.

    MATH  Google Scholar 

  9. Gorokhov, A.V. and Sinaiskii, I.E., Izv. Akad. Nauk, Ser. Fiz., 2004, vol. 68, no. 9, p. 1288.

    Google Scholar 

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Correspondence to A. V. Gorokhov.

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Original Russian Text © A.V. Gorokhov, I.E. Sinaiskii, 2008, published in Izvestiya Rossiiskoi Akademii Nauk. Seriya Fizicheskaya, 2008, Vol. 72, No. 5, pp. 722–725.

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Gorokhov, A.V., Sinaiskii, I.E. Exact solution in the damped Cummings-Tavis model and entanglement. Bull. Russ. Acad. Sci. Phys. 72, 683–686 (2008). https://doi.org/10.3103/S1062873808050262

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  • DOI: https://doi.org/10.3103/S1062873808050262

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