On the entanglement entropy for an XY spin chain

被引：66

作者：

Peschel, I ^{[1
]}

机构：

[1] Free Univ Berlin, Fachbereich Phys, D-14195 Berlin, Germany

来源：

JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT | 2004年

关键词：

integrable spin chains (vertex models); solvable lattice models; entanglement in extended quantum systems (theory);

D O I：

10.1088/1742-5468/2004/12/P12005

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

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.

引用

页数：6

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