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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 | |
| 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.Projects
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