Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.3635845
Title: Unification of quantum and classical correlations and quantumness measures
Authors: Modi, K. 
Vedral, V. 
Keywords: quantum correlations
Quantum discord
relative entropy
Issue Date: 2011
Citation: Modi, K., Vedral, V. (2011). Unification of quantum and classical correlations and quantumness measures. AIP Conference Proceedings 1384 : 69-75. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3635845
Abstract: We give a pedagogical introduction to quantum discord and discuss the problem of separation of total correlations in a given quantum state into entanglement, dissonance, and classical correlations using the concept of relative entropy. This allows us to put all correlations on an equal footing. Entanglement and dissonance jointly belong to what is known as quantum discord. Our methods are completely applicable for multipartite systems of arbitrary dimensions. We finally show, using relative entropy, how different notions of quantum correlations are related to each other. This gives a single theory that incorporates all correlations, quantum and classical, and different methods of quantifying them. © 2011 American Institute of Physics.
Source Title: AIP Conference Proceedings
URI: http://scholarbank.nus.edu.sg/handle/10635/116800
ISBN: 9780735409453
ISSN: 0094243X
DOI: 10.1063/1.3635845
Appears in Collections:Staff Publications

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