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Maximally entangled states via mutual unbiased collective bases

Source: Phys. Rev. A 81, 012113 (2010); doi:10.1103/PhysRevA.81.012113

Published 21 January 2010

PACS
  • 03.65.Ud
    Entanglement and quantum nonlocality
  • 03.65.Ca
    Formalism in quantum mechanics
  • YEAR: 2010
PUBLICATION DATA
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M. Revzen
Department of Physics, Technion—Israel Institute of Technology, Haifa 32000, Israel
Relative and center-of-mass coordinates are used to generalize mutually unbiased bases (MUB) and define mutually unbiased collective bases (MUCB). Maximally entangled states are given as product states in the collective variables. These states are analyzed in terms of the Wigner representative function of the states and shown to display a discontinuous attribute of the entanglement. Finite Hilbert space dimensionality collective coordinates are introduced and provide a framework for the analysis. ©2010 The American Physical Society
History: Received 16 October 2009; published 21 January 2010
Permalink: http://link.aps.org/abstract/PRA/v81/e012113
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