Comment on "witnessed entanglement and the geometric measure of quantum discord"

Physical Review A - Atomic, Molecular, and Optical Physics

Volumn 87, Issue 1, 2013, Pages

  Rana, Swapan ^a   Parashar, Preeti ^a  

^a INDIAN STATISTICAL INSTITUTE   (India)

Author keywords

[No Author keywords available]

Indexed keywords

GEOMETRIC MEASURES; QUANTUM DISCORDS;

MATHEMATICAL MODELS; PHYSICS;

QUANTUM ENTANGLEMENT;

EID: 84872701721     PISSN: 10502947     EISSN: 10941622     Source Type: Journal    
DOI: 10.1103/PhysRevA.87.016301     Document Type: Review

References (9)

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6. This relation is not well justified for comparison because the left-hand side varies from 0 to 1, whereas, the right-hand side varies from 0 to 1/4 (i.e., not normalized). Note that a violation of Eq. automatically implies a violation of Eq..
7. S. Rana and P. Parashar, Phys. Rev. A PLRAAN 1050-2947 10.1103/PhysRevA.85.024102 85, 024102 (2012).
8. T. Tufarelli, D. Girolami, R. Vasile, S. Bose, and G. Adesso, Phys. Rev. A PLRAAN 1050-2947 10.1103/PhysRevA.86.052326 86, 052326 (2012).
9. σâ̂¥(1) = 2. For many properties and interpretations of the trace norm, we refer to A. Gilchrist, N. K. Langford, and M. A. Nielsen, Phys. Rev. A PLRAAN 1050-2947 10.1103/PhysRevA.71.062310 71, 062310 (2005). (Pubitemid 41481154)