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How the Hawking effect and prepared states affect Entanglement distillability of Dirac fields
Black hole Dirac fields Entanglement distillability
2010/12/21
How the Hawking effect and the prepared states influence the entanglement distillability of Dirac fields in the Schwarzschild spacetime is studied by using the Werner states which are composed of the ...
Detecting entanglement of states by entries of their density matrices
Detecting entanglement states by entries their density matrices
2010/11/4
For any bipartite systems, a universal entanglement witness of rank-4 for pure states is obtained and a class of finite rank entanglement witnesses is constructed. In addition, a method of detecting e...