Robustness of nonclassical superpositions states against decoherence

Details Robustness of nonclassical superpositions states against decoherence Robustness of nonclassical superpositions states against decoherence

2011-07-19

arxiv.org/abs/1107.3607v1

Phys. Rev. A 65 (2002) 043814-6

Physics

Quantum Physics

11 pages, 4 figures

Scientific paper

We make a comparative study of quadrature squeezing, photon-number distribution and Wigner function in a decayed quantum system. Specifically, for a field mode prepared initially in cat states interacting with a zero-temperature environment, we show that the rate of reduction of the nonclassical effects in this system is proportional to the occurrence of the decoherence process.

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