Entanglement of formation and concurrence

  • Authors:
  • William K. Wootters

  • Affiliations:
  • Department of Physics, Williams College, Williamstown, MA

  • Venue:
  • Quantum Information & Computation
  • Year:
  • 2001

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Abstract

Entanglement of formation is one of three widely studied measures of entanglement of a general bipartite system. This paper reviews our current understanding of entanglement of formation and the related concept of concurrence, including discussions of additivity, the problem of finding explicit formulas, and connections between concurrence and other properties of bipartite states.