Finite-temperature mutual information in a simple phase transition

We study the finite-temperature behavior of the Lipkin-Meshkov- Glick model with a focus on correlation properties as measured by the mutual information. The latter, which quantifies the amount of both classical and quantum correlations, is computed exactly in the two limiting cases of vanishing mag...

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Veröffentlicht in:	Journal of statistical mechanics 2012-01, Vol.2012 (1), p.P01023-21
Hauptverfasser:	Wilms, Johannes, Vidal, Julien, Verstraete, Frank, Dusuel, Sébastien
Format:	Artikel
Sprache:	eng
Schlagworte:	Constraining Correlation Logarithms Magnetic fields Mathematical analysis Mathematical models Phase transformations Statistical mechanics
Online-Zugang:	Volltext
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