Detect genuine multipartite entanglement in the one-dimensional transverse-field Ising model
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AbstractRecently Seevinck and Uffink argued that genuine multipartite entanglement (GME) had not been established in the experiments designed to confirm GME. In this paper, we use the Bell-type inequalities introduced by Seevinck and Svetlichny [M. Seevinck, G. Svetlichny, Phys. Rev. Lett. 89 (2002) 060401] to investigate the GME problem in the one-dimensional transverse-field Ising model. We show explicitly that the ground states of this model violate the inequality when the external transverse magnetic field is weak, which indicate that the ground states in this model with weak magnetic field are fully entangled. Since this model can be Simulated with nuclear magnetic resonance, our results provide a fresh approach to experimental test of GM E. (C) 2009 Elsevier Inc. All rights reserved.
All Author(s) ListDeng DL, Gu SJ, Chen JL
Journal nameAnnals of Physics
Volume Number325
Issue Number2
PublisherElsevier Masson
Pages367 - 372
LanguagesEnglish-United Kingdom
KeywordsBell-type inequality; Ising model; Multipartite entanglement; Nonlocality
Web of Science Subject CategoriesPhysics; Physics, Multidisciplinary; PHYSICS, MULTIDISCIPLINARY

Last updated on 2021-13-01 at 00:39