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Entanglement Theory Quantum Correlations Quantum Foundations

Squeezed vacuum reservoir effect for entanglement decay in nonlinear quantum scissors system

arXiv
Authors: A. Kowalewska-Kudłaszyk, W. Leoński

Year

2010

Paper ID

11403

Status

Preprint

Abstract Read

~2 min

Abstract Words

113

Citations

N/A

Abstract

We discuss the coupler system of two nonlinear oscillators excited by an external coherent field prepared in a maximally entangled state (Bell-like state). We show that as a result of the coupler interaction of the system with external broadband squeezed vacuum bath, entanglement decay dynamics can be considerably affected. Besides the phenomena of sudden entanglement death and its rebirth, a shortening (or lengthening) of the total disentanglement time τD can be observed, depending on the squeezing parameters. Moreover, on the example of one of the reborn entanglement cases it is shown that by changing the values of these parameters the maximal values of the negativity for the 3 \otimes 2 system discussed can be tailored.

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  • We discuss the coupler system of two nonlinear oscillators excited by an external coherent field prepared in a maximally entangled state (Bell-like state).

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1009.1068 [2] arXiv https://arxiv.org/abs/1009.1068 [3] Publisher https://arxiv.org/abs/1009.1068

Local Citation Graph (Related-Paper Links)

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