منابع مشابه
Nonclassicality criteria: Quasiprobability distributions and correlation functions
We use the exact calculation of the quantum mechanical, temporal characteristic function χ (η) and the degree of second-order coherence g(2)(τ ) for a single-mode, degenerate parametric amplifier for a system in the Gaussian state, viz., a displaced-squeezed thermal state, to study the different criteria for nonclassicality. In particular, we contrast criteria that involve only one-time functio...
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We experimentally examine the nonclassical character of a class of non-Gaussian states known as phasediffused squeezed states. These states may show no squeezing effect at all and therefore provide an interesting example to test nonclassicality criteria. The characteristic function of the Glauber-Sudarshan representation P function proves to be a powerful tool to detect nonclassicality. Using t...
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Adam Miranowicz,1,2 Monika Bartkowiak,2 Xiaoguang Wang,1,3 Yu-xi Liu,1,4,5 and Franco Nori1,6 1Advanced Science Institute, RIKEN, Wako-shi, Saitama 351-0198, Japan 2Faculty of Physics, Adam Mickiewicz University, PL-61-614 Poznań, Poland 3Zhejiang Institute of Modern Physics, Department of Physics, Zhejiang University, Hangzhou 310027, China 4Institute of Microelectronics, Tsinghua University, ...
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The results of spacelike separated measurements are independent of distant measurement settings, a property one might call two-way no-signaling. In contrast, timelike separated measurements are only one-way no-signaling since the past is independent of the future but not vice versa. For this reason some temporal correlations that are formally identical to nonclassical spatial correlations can s...
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Adam Miranowicz,1, 2 Monika Bartkowiak,2 Xiaoguang Wang,1, 3 Yu-xi Liu,4, 5, 1 and Franco Nori1, 6 Advanced Science Institute, RIKEN, Wako-shi, Saitama 351-0198, Japan Faculty of Physics, Adam Mickiewicz University, PL-61-614 Poznań, Poland Zhejiang Institute of Modern Physics, Department of Physics, Zhejiang University, Hangzhou 310027, China Institute of Microelectronics, Tsinghua University,...
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ژورنال
عنوان ژورنال: Physical Review A
سال: 2015
ISSN: 1050-2947,1094-1622
DOI: 10.1103/physreva.92.011801