A new entanglement measure: D-concurrence

  • Authors:

  • Zhihao Ma;Weigang Yuan;Minli bao;Xiao-Dong Zhang

  • Affiliations:

  • Department of Mathematics, Shanghai Jiaotong University, Shanghai, P.R.China;Department of Mathematics, Shanghai Jiaotong University, Shanghai, P.R.China;Department of Mathematics, Shanghai Jiaotong University, Shanghai, P.R.China;Department of Mathematics, Shanghai Jiaotong University, Shanghai, P.R.China

  • Venue:
  • Quantum Information & Computation
  • Year:
  • 2011

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Abstract

A new entanglement measure, which is called D-concurrence, is proposed. Then theupper bound for D-concurrence is obtained. In addition, D-concurrence has some specialmerits, such as it is an entanglement monotone, and is sub-additive.