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|Title:||Threshold effect and entanglement enhancement through local squeezing of initial separable states in continuous-variable systems||Authors:||Er, C. H.
Chung, Ning Ning
Chew, Lock Yue
|Keywords:||DRNTU::Science::Physics||Issue Date:||2013||Source:||Er, C. H., Chung, N. N., & Chew, L. Y. (2013). Threshold effect and entanglement enhancement through local squeezing of initial separable states in continuous-variable systems. Physica scripta, 87(2), 025001-.||Series/Report no.:||Physica scripta||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 rc for the maximum entanglement to be enhanced. For the coupled oscillator systems considered, we have derived the analytical expressions of rc.||URI:||https://hdl.handle.net/10356/99236
|DOI:||http://dx.doi.org/10.1088/0031-8949/87/02/025001||Fulltext Permission:||none||Fulltext Availability:||No Fulltext|
|Appears in Collections:||SPMS Journal Articles|
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