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  • In the comment(quant-ph/0103003) Eggeling,Vollbrecht and Wolf suspect our method in quant-ph/0102133 is not practical. Here we explain our result and method and show that our example can tell one how to judge a separable state, and so our method is practical, at least for many mixed states.


  • Droppo, Ian
  • Krishnappan, Bommanna G
  • Rao, Salem S
  • Ongley, Edwin D

publication date

  • August 1995