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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
Abstract Words
64
Citations
N/A
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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- This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
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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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