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High-probability state transfers and entanglements between different nodes of the homogeneous spin-(1/2) chain in an inhomogeneous external magnetic field

Source: Phys. Rev. A 81, 022321 (2010); doi:10.1103/PhysRevA.81.022321

Published 22 February 2010

PACS
  • 03.67.-a
    Quantum information
  • 03.65.Ud
    Entanglement and quantum nonlocality
  • 75.10.Jm
    Quantized spin models (magnetism)
  • YEAR: 2010
PUBLICATION DATA
ISSN:
1553-9644 (online)
Publisher:
AIP is a member of CrossRef APS
S. I. Doronin and A. I. Zenchuk
Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow Region, 142432, Russia
We consider the high-probability state transfers and entanglements between different nodes of the spin-1/2 chains governed by the XXZ Hamiltonian using the inhomogeneous stationary external magnetic field. Examples of three-, four-, ten- and twenty-node chains are represented. A variant of realization of the proper inhomogeneous magnetic field is discussed. ©2010 The American Physical Society
History: Received 24 August 2009; published 22 February 2010
Permalink: http://link.aps.org/abstract/PRA/v81/e022321
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