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|Title:||Testing quantum nonlocality by generalized quasiprobability functions|
|Source:||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|
|Appears in Collections:||Staff Publications|
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