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Paper detail

Detecting Entanglement with Jarzynski's Equality

We present a method for detecting the entanglement of a state using non-equilibrium processes. A comparison of relative entropies allows us to construct an entanglement witness. The relative entropy can further be related to the quantum Jarzynski equality, allowing non-equilibrium work to be used in entanglement detection. To exemplify our results, we consider two different spin chains.

preprint2009arXivOpen access
Jenny HideVlatko Vedral
cond-mat.stat-mechquant-ph
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Jenny HideVlatko Vedral

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