Creation of Stable Multipartite Entangled States in Spin Chains with Defects

Details Creation of Stable Multipartite Entangled States in Spin Chains with Defects Creation of Stable Multipartite Entangled States in Spin Chains with Defects

2005-05-10

arxiv.org/abs/quant-ph/0505072v1

Physics

Quantum Physics

5 pages, 4 figures

Scientific paper

We show how defects in a spin chain described by the XXZ model may be used to
generate entangled states, such as Bell and W states, and how to maintain them
with high fidelity. In the presence of several excitations, we also discuss how
the anisotropy of the system may be combined with defects to effectively assist
in the creation of the desired states.

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