Please use this identifier to cite or link to this item: 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
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