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Title: Converting Coherence to Quantum Correlations
Authors: Ma, Jiajun
Yadin, Benjamin
Girolami, Davide
Vedral, Vlatko
Gu, Mile
Keywords: Quantum Coherence
Quantum Correlations
Issue Date: 2016
Source: Ma, J., Yadin, B., Girolami, D., Vedral, V., & Gu, M. (2016). Converting Coherence to Quantum Correlations. Physical Review Letters, 116(16), 160407-.
Series/Report no.: Physical Review Letters
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.
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.116.160407
Rights: © 2016 American Physical Society (APS). This paper was published in Physical Review Letters and is made available as an electronic reprint (preprint) with permission of American Physical Society (APS). The published version is available at: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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