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Open Quantum Systems Decoherence

Vacuum as a less hostile environment to entanglement

arXiv

Authors: Petr Marek, Jinhyoung Lee, M. S. Kim

Year

2007

Paper ID

50562

Status

Preprint

Abstract Read

~2 min

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Abstract

We derive sufficient conditions for infinite-dimensional systems whose entanglement is not completely lost in a finite time during its decoherence by a passive interaction with local vacuum environments. The sufficient conditions allow us to clarify a class of bipartite entangled states which preserve their entanglement or, in other words, are tolerant against decoherence in a vacuum. We also discuss such a class for entangled qubits.

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We derive sufficient conditions for infinite-dimensional systems whose entanglement is not completely lost in a finite time during its decoherence by a passive interaction with...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:0704.2035 [2] arXiv https://arxiv.org/abs/0704.2035 [3] Publisher https://arxiv.org/abs/0704.2035

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