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MiS Preprint
66/2013

Unifying Treatment of Discord via Relative Entropy

Lin Zhang, Shao-Ming Fei and Jun Zhu

Abstract

We study the monotonicity inequality of relative entropy under completely positive linear maps. A new form of zero-discord state via Petz's monotonicity condition on relative entropy with equality has been derived systematically. A generalization of symmetric zero-discord states is presented and the related physical implications are discussed.

Received:
Jul 17, 2013
Published:
Jul 18, 2013

Related publications

inJournal
2013 Repository Open Access
Lin Zhang, Shao-Ming Fei and Jun Zhu

Unifying treatment of discord via relative entropy

In: International journal of theoretical physics, 52 (2013) 6, pp. 1946-1955