DYNAMICS OF QUANTUM CORRELATIONS OF TWO INTERFERING BIPARTITE GAUSSIAN STATES

被引：0
作者：
Olivares, Stefano [1 ,2 ]
机构：
[1] Univ Trieste, Dipartimento Fis, I-34151 Trieste, Italy
[2] CNISM UdR Milano Statale, I-20133 Milan, Italy
来源：
INTERNATIONAL JOURNAL OF QUANTUM INFORMATION | 2011年 / 9卷 / 7-8期
关键词：
Quantum interference; quantum correlations; Gaussian states; ENTANGLEMENT;
D O I：
10.1142/S0219749911008234
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
We address the interference of a pair of two-mode Gaussian states, interacting pairwise through a beam-splitter Hamiltonian. In the framework of a suitable phase-space analysis, the correlations generated through the interaction are studied by considering a quantity proportional to the variance of difference between the detected photocurrents of all the possible couples of modes. We use this quantity to demonstrate the invariance through the interaction and the correlations swapping also in the presence of nonideal photodetection.
引用
收藏
页码：1727 / 1736
页数：10
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