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Entanglement spectrum of the degenerative ground state of Heisenberg ladders in a time-dependent magnetic field

Predin, Sonja (2017) Entanglement spectrum of the degenerative ground state of Heisenberg ladders in a time-dependent magnetic field. EPL (Europhysics Letters) 119 (5), p. 57003.

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Other URL: http://doi.org/10.1209/0295-5075/119/57003


Abstract

We investigate the relationship between the entanglement and subsystem Hamiltonians in the perturbative regime of strong coupling between subsystems. One of the two conditions that guarantees the proportionality between these Hamiltonians obtained by using the nondegenerate perturbation theory within the first order is that the unperturbed ground state has a trivial entanglement Hamiltonian. ...

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Item type:Article
Date:2017
Institutions:Physics > Institute of Theroretical Physics
Identification Number:
ValueType
10.1209/0295-5075/119/57003DOI
Keywords:;
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:39179
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