Entanglement oscillations in open Heisenberg chains

Ting Wang, Xiaoguang Wang and Zhe Sun

Physica A: Statistical Mechanics and its Applications, 2007, vol. 383, issue 2, 316-324

Abstract: We study pairwise entanglements in spin-half and spin-one Heisenberg chains with an open boundary condition, respectively. We find out that the ground-state and the first-excited-state entanglements are equal for the three-site spin-one chain. When the number of sites L>3, the concurrences and negativities display oscillatory behaviors, and the oscillations of the ground-state and the first-excited-state entanglements are out of phase or in phase.

Keywords: Entanglement; Heisenberg chain (search for similar items in EconPapers)
Date: 2007
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:383:y:2007:i:2:p:316-324

DOI: 10.1016/j.physa.2007.04.100

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