Mode entanglement of electrons in the one-dimensional Frenkel-Kontorova model
arXiv:quant-ph/0308118 · doi:10.1103/PhysRevA.69.054303
Abstract
We study the mode entanglement in the one-dimensional Frenkel-Kontorova model, and found that behaviors of quantum entanglement are distinct before and after the transition by breaking of analyticity. We show that the more extended the electron is, the more entangled the corresponding state. Finally, a quantitative relation is given between the average square of the concurrence quantifying the degree of entanglement and the participation ratio characterizing the degree of localization.
arXiv comment4 pages, 4 figures. V1
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