Interdisciplinary Information Sciences
Online ISSN : 1347-6157
Print ISSN : 1340-9050
Special Issue: The 4th Young Scientist Meeting on Statistical Physics and Information Processing in Sendai
A Useful Way to Obtain the Central Charge of Entanglement Hamiltonian — Nested Entanglement Entropy —
Shu TANAKA
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Volume 19 (2013) Issue 1 Pages 101-105

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Abstract

In this paper, we review how to obtain the central charge of a critical entanglement Hamiltonian through the nested entanglement entropy which was first introduced in Ref. [1]. The critical phenomena of the entanglement Hamiltonian can be identified by the central charge obtained by the nested entanglement entropy. We review our previous studies [1, 2] in which we investigated certain entanglement nature of two-dimensional valence-bond-solid (VBS) state and quantum hard-square models on square and triangle ladders using the nested entanglement entropy.

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© 2013 by the Graduate School of Information Sciences (GSIS), Tohoku University
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