Entanglement Spectra of Heisenberg Ladders of higher Spin

URN to cite this document:: urn:nbn:de:bvb:355-epub-192496
DOI to cite this document:: 10.5283/epub.19249

Schliemann, John ; Läuchli, Andreas M.

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Date of publication of this fulltext: 15 May 2012 11:44

Alternative links to fulltext:Arxiv Publisher

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Abstract

We study the entanglement spectrum of Heisenberg spin ladders of arbitrary spin length S in the perturbative regime of strong rung coupling. For isotropic spin coupling the the entanglement spectrum is, within first order perturbation theory, always proportional to the energy spectrum of the single chain with a proportionality factor being also independent of S. A more complicated situation ...