On the relation between entanglement and subsystem Hamiltonians

Author: Peschel Ingo   Chung Ming-Chiang  

Publisher: Edp Sciences

E-ISSN: 1286-4854|96|5|50006-50006

ISSN: 0295-5075

Source: EPL (EUROPHYSICS LETTERS), Vol.96, Iss.5, 2011-11, pp. : 50006-50006

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Abstract

We show that a proportionality between the entanglement Hamiltonian and the Hamiltonian of a subsystem exists near the limit of maximal entanglement under certain conditions. Away from that limit, solvable models show that the coupling range differs in both quantities and allow to investigate the effect.