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Interdisciplinary Information Sciences
Vol. 19 (2013) No. 1 p. 101-105

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http://doi.org/10.4036/iis.2013.101

Special Issue: The 4th Young Scientist Meeting on Statistical Physics and Information Processing in Sendai

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.

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

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