321 citations · 322 across the 3 of their papers we have counts for
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quant-ph2005★ 321 cited
Concurrence of arbitrary dimensional bipartite quantum states
Kai Chen, Sergio Albeverio, Shao-Ming Fei
We derive an analytical lower bound for the concurrence of a bipartite quantum state in arbitrary dimension. A functional relation is established relating concurrence, the Peres-Ho…
quant-ph2003★ 1 cited
Detection of entanglement and Bell's inequality violation
Kai Chen, Ling-An Wu
We propose a new method for detecting entanglement of two qubits and discuss its relation with the Clauser-Horne-Shimony-Holt (CHSH) Bell inequality. Without the need for full quan…
quant-ph2002
A matrix realignment method for recognizing entanglement
Kai Chen, Ling-An Wu
Motivated by the Kronecker product approximation technique, we have developed a very simple method to assess the inseparability of bipartite quantum systems, which is based on a re…