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https://doi.org/10.1103/PhysRevA.80.022104
Title: | Testing quantum nonlocality by generalized quasiprobability functions | Authors: | Lee, S.-W. Jeong, H. Jaksch, D. |
Issue Date: | 4-Aug-2009 | Citation: | Lee, S.-W., Jeong, H., Jaksch, D. (2009-08-04). Testing quantum nonlocality by generalized quasiprobability functions. Physical Review A - Atomic, Molecular, and Optical Physics 80 (2) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.80.022104 | Abstract: | We derive a Bell inequality based on a generalized quasiprobability function, which is parametrized by one nonpositive real value. Two types of known Bell inequalities formulated in terms of the Wigner and the Q functions are included as limiting cases. We investigate violations of our Bell inequalities for single-photon entangled states and two-mode squeezed vacuum states when varying the detector efficiency. We show that the Bell inequality for the Q function allows the lowest detection efficiency for violations of local realism. © 2009 The American Physical Society. | Source Title: | Physical Review A - Atomic, Molecular, and Optical Physics | URI: | http://scholarbank.nus.edu.sg/handle/10635/115975 | ISSN: | 10502947 | DOI: | 10.1103/PhysRevA.80.022104 |
Appears in Collections: | Staff Publications |
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