Journal
INTERNATIONAL JOURNAL OF MODERN PHYSICS B
Volume 27, Issue 1-3, Pages -Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217979213450240
Keywords
Continuous variables; quantum correlations; entanglement and quantum discord
Funding
- MIUR (FIRB LiCHIS) [RBFR10YQ3H]
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We address the balance of quantum correlations for continuous variable (CV) states. In particular, we consider a class of feasible tripartite CV pure states and explicitly prove two Koashi-Winter-like conservation laws involving Gaussian entanglement of formation (EoF), Gaussian quantum discord and sub-system Von Neumann entropies. We also address the class of tripartite CV mixed states resulting from the propagation in a noisy environment, and discuss how the previous equalities evolve into inequalities.
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