In this note,we give a new lower bound for the concurrence,which is related to D-concurrence.For the Werner states,we compare that this D-concurrence bound with the other known bound.In addition,some of new upper and ...In this note,we give a new lower bound for the concurrence,which is related to D-concurrence.For the Werner states,we compare that this D-concurrence bound with the other known bound.In addition,some of new upper and lower bounds of D-concurrence are given.展开更多
基金Supported by National Natural Science Foundation of under Grant Nos. 11001159,11171197supported by the Fundamental Research Funds for the Central Universities GK200902049,GK201002012,and GK201001002
文摘In this note,we give a new lower bound for the concurrence,which is related to D-concurrence.For the Werner states,we compare that this D-concurrence bound with the other known bound.In addition,some of new upper and lower bounds of D-concurrence are given.
