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The total many-body correlations present in nite temperature classical spin systems are studied using the concept of mutual information. As opposed to zero-temperature quantum phase transitions,the t...
Quantum correlation: Comparison of measures with geometry and mutual information
Quantum correlation Comparison measures geometry mutual information
2010/11/5
Two measures for quantum correlations were proposed recently from a geometric perspective [Phys. Rev. Lett. 104, 080501 (2010); e-print arXiv:1004.0190]. We prove the the equivalence of the two geomet...