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Correlation measure detecting almost all non-Markovian evolutions
| Content Provider | Semantic Scholar |
|---|---|
| Author | Santis, Dario De Johansson, Markus Bylicka, Bogna Bernardes, Nadja K. Acín, Antonio |
| Copyright Year | 2018 |
| Abstract | We investigate the ability of correlation measures to witness non-Markovian open quantum system dynamics. It is shown that the mutual information and any entanglement measure between the system and an ancilla do not witness all non-Markovian dynamics. A new correlation measure is introduced, and it is proven that, in an enlarged setting with two ancillary systems, this measure detects almost all non-Markovian dynamics, except possibly a zero-measure set of dynamics that is non-bijective in finite time-intervals. Our proof is constructive and provides different initial states detecting the non-Markovian evolutions. These states are all separable and some are arbitrarily close to a product state. |
| File Format | PDF HTM / HTML |
| DOI | 10.1103/PhysRevA.99.012303 |
| Volume Number | 99 |
| Alternate Webpage(s) | https://arxiv.org/pdf/1805.00920v2.pdf |
| Alternate Webpage(s) | http://arxiv-export-lb.library.cornell.edu/pdf/1805.00920 |
| Alternate Webpage(s) | https://doi.org/10.1103/PhysRevA.99.012303 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
