Effects of staggered magnetic field on entanglement in the anisotropic XY model

Details Effects of staggered magnetic field on entanglement in the anisotropic XY model Effects of staggered magnetic field on entanglement in the anisotropic XY model

2004-09-25

arxiv.org/abs/quant-ph/0409166v1

Physics

Quantum Physics

four pages and four figures

Scientific paper

We investigate effects of staggered magnetic field on thermal entanglement in
the anisotropic XY model. The analytic results of entanglement for the two-site
cases are obtained. For the general case of even sites, we show that when the
anisotropic parameter is zero, the entanglement in the XY model with a
staggered magnetic field is the same as that with a uniform magnetic field.

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