Hidden non-Markovianity in open quantum systems

Daniel Burgarth; Paolo Facchi; Marilena Ligabò; Davide Lonigro

doi:10.1103/PhysRevA.103.012203

Hidden non-Markovianity in open quantum systems

Daniel Burgarth, Paolo Facchi, Marilena Ligabò, Davide Lonigro

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

7 Downloads (Pure)

Abstract

We show that non-Markovian open quantum systems can exhibit exact Markovian dynamics up to an arbitrarily long time; the non-Markovianity of such systems is thus perfectly "hidden,"i.e., not experimentally detectable by looking at the reduced dynamics alone. This shows that non-Markovianity is physically undecidable and extremely counterintuitive, since its features can change at any time, without precursors. Some interesting examples are discussed.

Original language	English
Article number	012203
Pages (from-to)	1-9
Number of pages	9
Journal	Physical Review A
Volume	103
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevA.103.012203
Publication status	Published - 7 Jan 2021

Bibliographical note

Copyright 2021 American Physical Society. Firstly published in Physical Review A, 103(1), 012203. The original publication is available at https://doi.org/10.1103/PhysRevA.103.012203. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

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10.1103/PhysRevA.103.012203

Publisher version (open access)Final published version, 429 KBLicence: Other

1 Active

Robust Quantum Control in the Noisy Intermediate-Scale Quantum Era
Burgarth, D. & Steel, M.
3/02/20 → 2/02/24
Project: Other

Cite this

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Hidden non-Markovianity in open quantum systems

Abstract

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Robust Quantum Control in the Noisy Intermediate-Scale Quantum Era

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