Journal
INTERNATIONAL JOURNAL OF QUANTUM INFORMATION
Volume 9, Issue 7-8, Pages 1837-1873Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0219749911008374
Keywords
Quantum discord; quantum information science; entanglement; thermodynamics
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Funding
- UFABC
- CAPES
- FAPESP
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Correlations are a very important tool in the study of multipartite systems, for both classical and quantum ones. The discussion about the quantum nature of correlations permeates Physics since Einstein, Podolski and Rosen published their famous article criticizing quantum mechanics. Here, we provide a short review about the quantum nature of correlations, discussing both its theoretical and experimental aspects. We focus on quantum discord and related measures. After discussing their fundamental aspects (theoretically and experimentally), we proceed by analysing the dynamical behavior of correlations under decoherence as well as some applications in different scenarios, such as quantum computation and relativity, passing through critical and biological systems.
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