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Effects of photon addition on quantum nonlocality of squeezed entangled coherent states |
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| Authors: | Zhou Ben-Yuan Deng Lei Duan Yong-Fa Yu Li Li Gao-Xiang |
| Affiliation: | a Physics Teaching Section of Basic Course Department, Air Force Early Warning Academy, Wuhan 430019, China;b Department of Physics, Central China Normal University, Wuhan 430079, China |
| Abstract: | Effects of photon addition on quantum nonlocality of squeezed entangled coherent states for Bell-inequality tests are studied theoretically. By utilizing the method of photon-parity measurement, it is found that photon addition can always increase the degrees of Bell violations within a certain parameter range. A possible scheme for generating photon-added squeezed entangled coherent states is proposed. |
| Keywords: | quantum nonlocality photon addition squeezed entangled coherent states |
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