Necessary and sufficient condition for nonzero quantum discord.

Quantum discord characterizes "nonclassicality" of correlations in quantum mechanics. It has been proposed as the key resource present in certain quantum communication tasks and quantum computational models without containing much entanglement. We obtain a necessary and sufficient conditio...

وصف كامل

التفاصيل البيبلوغرافية
المؤلفون الرئيسيون: Dakić, B, Vedral, V, Brukner, C
التنسيق: Journal article
اللغة:English
منشور في: 2010