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quant-ph2013★ 12 cited
Long-lived quantum coherence of two-level spontaneous emission models within structured environments
Ping Zhang, Bo You, Li-Xiang Cen
We investigate the long-lived quantum coherence of two-level spontaneous emission models within structured environments. The population of the system under the asymptotic non-Marko…
quant-ph2012★ 47 cited
Necessary and sufficient conditions of freezing phenomena of quantum discord under phase damping
Bo You, Li-Xiang Cen
We investigate the freezing phenomenon of quantum discord occurring in phase damping noise processes. By relating the expression of the time variation of the discord to the convex…