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Entropy of temporal entanglement

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arxiv 2104.05722 v2 pith:JXAR2IUV submitted 2021-04-12 quant-ph hep-thphysics.hist-ph

Entropy of temporal entanglement

classification quant-ph hep-thphysics.hist-ph
keywords entanglemententropytemporalhistoryquantumallowscalculatedcircuits
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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A recently proposed history formalism is used to define temporal entanglement in quantum systems, and compute its entropy. The procedure is based on the time-reduction of the history density operator, and allows a symmetrical treatment of space and time correlations. Temporal entanglement entropy is explicitly calculated in two simple quantum computation circuits.

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