Journal article
Converting coherence to quantum correlations
- Abstract:
- Recent results in quantum information theory characterize quantum coherence in the context of resource theories. Here, we study the relation between quantum coherence and quantum discord, a kind of quantum correlation which appears even in nonentangled states. We prove that the creation of quantum discord with multipartite incoherent operations is bounded by the amount of quantum coherence consumed in its subsystems during the process. We show how the interplay between quantum coherence consumption and creation of quantum discord works in the preparation of multipartite quantum correlated states and in the model of deterministic quantum computation with one qubit.
- Publication status:
- Published
- Peer review status:
- Peer reviewed
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(Preview, Version of record, pdf, 248.0KB, Terms of use)
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- Publisher copy:
- 10.1103/PhysRevLett.116.160407
Authors
- Publisher:
- American Physical Society
- Journal:
- Physical Review Letters More from this journal
- Volume:
- 116
- Issue:
- 16
- Article number:
- 160407
- Publication date:
- 2016-04-22
- Acceptance date:
- 2016-03-10
- DOI:
- EISSN:
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1079-7114
- ISSN:
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0031-9007
- Keywords:
- Pubs id:
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pubs:605796
- UUID:
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uuid:2c3372fc-2d70-4930-9781-5b049adfbc78
- Local pid:
-
pubs:605796
- Source identifiers:
-
605796
- Deposit date:
-
2016-04-27
Terms of use
- Copyright holder:
- American Physical Society
- Copyright date:
- 2016
- Notes:
- © 2016 American Physical Society. This is the publisher's version of the article. The final version is available online from the American Physical Society at: https://doi.org/10.1103/PhysRevLett.116.160407
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