Nonclassicality of quantum excitation of classical coherent field in photon-loss channel

Nonclassicality of quantum excitation of classical coherent field in photon-loss channel
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光子损失通道中经典相干场量子激发的非经典性

DOI:
10.1103/physreva.75.045801
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发表时间:
2007-01
期刊:
影响因子:
2.9
通讯作者:
Guo, Guang-Can
Guo, Guang-Can
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Zou, Xu-Bo;Li, Shang-Bin;Guo, Guang-Can

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我们通过探索纠缠势和负脉冲分布来研究光子损耗通道中光子增添的相干状态的非古老性。由假发积分的绝对值定义的总负概率
We investigate the nonclassicality of photon-added coherent states in the photon loss channel by exploring the entanglement potential and negative Wigner distribution. The total negative probability defined by the absolute value of the integral of the Wigner function over the negative distribution region reduces with the increase of decay time. The total negative probability and the entanglement potential of pure photon-added coherent states exhibit the similar dependence on the beam intensity. The reduce of the total negative probability is consistent with the behavior of entanglement potential for the dissipative single-photon-added coherent state at short decay times.
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