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Quantum Coherence and Spin Squeezing in Optomechanical System

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Abstract

We investigate quantum coherence and spin squeezing in optomechanical system. We first determine the mean spin direction, the optimally squeezed angle and then calculate the first-order temporal correlation function, the squeezing parameter, which are independent of the frequency of the cavity field. The lager coupling strength more rapidly generates spin squeezed state, but the corresponding spin squeezed state maintains shorter time interval.

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Authors and Affiliations

  1. Department of Physics, Jiangxi Agricultural University, Nanchang, 330032, People’s Republic of China

    Xiu-Xia Hu

  2. Department of Physics, Nanchang Normal University, Nanchang, 330032, People’s Republic of China

    Guo-Jin Hu

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  1. Xiu-Xia Hu
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  2. Guo-Jin Hu
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Correspondence to Xiu-Xia Hu.

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Hu, XX., Hu, GJ. Quantum Coherence and Spin Squeezing in Optomechanical System. Int J Theor Phys 53, 1466–1471 (2014). https://doi.org/10.1007/s10773-013-1945-0

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  • DOI: https://doi.org/10.1007/s10773-013-1945-0

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