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Open Quantum Systems Decoherence Quantum Simulation

Decoherence at the level of eigenstates

arXiv

Authors: Oleg Lychkovskiy

Year

2017

Paper ID

24560

Status

Preprint

Abstract Read

~2 min

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Abstract

An eigenstate decoherence hypothesis states that each individual eigenstate of a large closed system is locally classical-like. We extend this hypothesis to account for a typically extremely short time scale of decoherence. The extension implies that nondiagonal matrix elements of certain operators - quantumness witnesses - are suppressed as long as the energy difference between corresponding eigenstates is smaller than the inverse decoherence time.

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An eigenstate decoherence hypothesis states that each individual eigenstate of a large closed system is locally classical-like.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1712.04384 [2] arXiv https://arxiv.org/abs/1712.04384 [3] Publisher https://arxiv.org/abs/1712.04384

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