Unusual corrections to scaling and convergence of universal Renyi properties at quantum critical points

At a quantum critical point, bipartite entanglement entropies have universal quantities which are subleading to the ubiquitous area law. For Renyi entropies, these terms are known to be similar to the von Neumann entropy, while being much more amenable to numerical and even experimental measurement....

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Veröffentlicht in:	Physical review. B 2016-02, Vol.93 (8), Article 085120
Hauptverfasser:	Sahoo, Sharmistha, Stoudenmire, E. Miles, Stéphan, Jean-Marie, Devakul, Trithep, Singh, Rajiv R. P., Melko, Roger G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed Matter Critical point Entanglement Entropy Entropy (Information) Field theory High Energy Physics - Theory Mathematical models Physics Singularities Statistical Mechanics
Online-Zugang:	Volltext
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