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Title: Entanglement discontinuity
Authors: Kalev, A. 
Khanna, F.C.
Revzen, M.
Issue Date: 2010
Citation: Kalev, A., Khanna, F.C., Revzen, M. (2010). Entanglement discontinuity. Journal of Physics A: Mathematical and Theoretical 43 (18) : -. ScholarBank@NUS Repository.
Abstract: We identify a class of two-mode squeezed states which are parametrized by an angular variable and a squeezing parameter r. We show that, for a large squeezing value, these states are either (almost) maximally entangled or product states depending on the value of . This peculiar behavior of entanglement is unique for infinite-dimensional Hilbert space and has consequences, e.g., for the entangling power of unitary operators in such systems. Finally, we show that, at the limit r → ∞, these states demonstrate a discontinuity attribute of entanglement. © 2010 IOP Publishing Ltd.
Source Title: Journal of Physics A: Mathematical and Theoretical
ISSN: 17518113
DOI: 10.1088/1751-8113/43/18/185302
Appears in Collections:Staff Publications

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