Abstract
The entanglement entropy for the ground state of an XY spin chain is related to the corner transfer matrices of the triangular Ising lattice and is expressed in closed form.
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Ingo Peschel1
Published 16 December 2004 •
IOP Publishing Ltd
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Citation Ingo Peschel J. Stat. Mech. (2004) P12005
DOI 10.1088/1742-5468/2004/12/P12005
1045 Total downloads
The entanglement entropy for the ground state of an XY spin chain is related to the corner transfer matrices of the triangular Ising lattice and is expressed in closed form.