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Title: Classical and quantum correlations under decoherence
Authors: Maziero, J.
Céleri, L.C.
Serra, R.M.
Vedral, V. 
Issue Date: 7-Oct-2009
Citation: Maziero, J., Céleri, L.C., Serra, R.M., Vedral, V. (2009-10-07). Classical and quantum correlations under decoherence. Physical Review A - Atomic, Molecular, and Optical Physics 80 (4) : -. ScholarBank@NUS Repository.
Abstract: Recently some authors have pointed out that there exist nonclassical correlations which are more general, and possibly more fundamental, than entanglement. For these general quantum correlations and their classical counterparts, under the action of decoherence, we identify three general types of dynamics that include a peculiar sudden change in their decay rates. We show that, under suitable conditions, the classical correlation is unaffected by decoherence. Such dynamic behavior suggests an operational measure of both classical and quantum correlations that can be computed without any extremization procedure. © 2009 The American Physical Society.
Source Title: Physical Review A - Atomic, Molecular, and Optical Physics
ISSN: 10502947
DOI: 10.1103/PhysRevA.80.044102
Appears in Collections:Staff Publications

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