Please use this identifier to cite or link to this item: https://doi.org/10.1088/0031-8949/87/02/025001
Title: Threshold effect and entanglement enhancement through local squeezing of initial separable states in continuous-variable systems
Authors: Er, C.H.
Chung, N.N. 
Chew, L.Y.
Issue Date: Feb-2013
Citation: Er, C.H., Chung, N.N., Chew, L.Y. (2013-02). Threshold effect and entanglement enhancement through local squeezing of initial separable states in continuous-variable systems. Physica Scripta 87 (2) : -. ScholarBank@NUS Repository. https://doi.org/10.1088/0031-8949/87/02/025001
Abstract: We investigate the dynamical enhancement of entanglement by means of local squeezing of initial separable Gaussian states in two coupled harmonic oscillator systems. Interestingly, the maximum generation of entanglement between the two modes is not a monotonically increasing function of the squeezing parameter. Instead, there exists a critical degree of squeezing r c for the maximum entanglement to be enhanced. For the coupled oscillator systems considered, we have derived the analytical expressions of rc. © 2013 The Royal Swedish Academy of Sciences.
Source Title: Physica Scripta
URI: http://scholarbank.nus.edu.sg/handle/10635/128902
ISSN: 00318949
DOI: 10.1088/0031-8949/87/02/025001
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