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Entanglement spectra of coupled S=1/2 spin chains in a ladder geometry

Läuchli, Andreas M. and Schliemann, John (2012) Entanglement spectra of coupled S=1/2 spin chains in a ladder geometry. Phys. Rev. B 85, 054403.

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Date of publication of this fulltext: 15 May 2012 12:25

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Other URL: http://link.aps.org/doi/10.1103/PhysRevB.85.054403


We study the entanglement spectrum of spin-1/2 XXZ ladders both analytically and numerically. Our analytical approach is based on perturbation theory starting either from the limit of strong rung coupling, or from the opposite case of dominant coupling along the legs. In the former case we find to leading order that the entanglement Hamiltonian is also of nearest-neighbor XXZ form although with ...


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Item type:Article
Date:1 February 2012
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Grifoni > Group John Schliemann
Projects:SFB 631: Festkörperbasierte Quanteninformationsverarbeitung
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Dewey Decimal Classification:500 Science > 530 Physics
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:24344
Owner only: item control page


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