Journal
JOURNAL OF OPTICS B-QUANTUM AND SEMICLASSICAL OPTICS
Volume 6, Issue 10, Pages 396-404Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1464-4266/6/10/003
Keywords
quasiprobability distribution functions; non-classicality negativity of Wigner functions; Fock states; squeezed states; generalized Fock states; Schrodinger cat state
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A measure of non-classicality of quantum states based on the volume of the negative part of the Wigner function is proposed. We analyse this quantity for Fock states, squeezed displaced Fock states and cat-like states defined as coherent superposition of two Gaussian wavepackets.
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