Entanglement localization by a single defect in a spin chain

Details Entanglement localization by a single defect in a spin chain Entanglement localization by a single defect in a spin chain

2006-10-09

arxiv.org/abs/quant-ph/0610055v1

Phys. Rev. A 74, 062316 (2006).

Physics

Quantum Physics

Scientific paper

We discuss the effect of a single diagonal defect on both the static and dynamical properties of entanglement in a spin chain. We show that entanglement localizes at the defect and discuss its localization length, arguing that this can be used as a mean to store entanglement. We also show that the impurity site can behave as an entanglement mirror and characterize the bouncing process in terms of reflection and transmission coefficients.

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