Localized Entanglement in one-dimensional Anderson model

Details Localized Entanglement in one-dimensional Anderson model Localized Entanglement in one-dimensional Anderson model

2004-03-25

arxiv.org/abs/quant-ph/0403178v2

Modern Physics Letters B, Vol. 19, No. 11 (2005) 517-527

Physics

Quantum Physics

5 pages, 6 figures

Scientific paper

10.1142/S0217984905008487

The entanglement in one-dimensional Anderson model is studied. We show that the pairwise entanglement measured by the average concurrence has a direct relation to the localization length. The numerical study indicates that the disorder significantly reduces the average entanglement, and entanglement distribution clearly displays the entanglement localization. The maximal pairwise entanglement exhibits a maximum as the disorder strength increases,experiencing a transition from increase to decrease. The entanglement between the center of localization and other site decreases exponentially along the spatial direction. Finally,we study effects of disorder on dynamical properties of entanglement.

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