期刊
JOURNAL OF OPTICS B-QUANTUM AND SEMICLASSICAL OPTICS
卷 3, 期 4, 页码 223-227出版社
IOP PUBLISHING LTD
DOI: 10.1088/1464-4266/3/4/305
关键词
entanglement; invariants
Quantum entanglements are studied in terms of the invariants under local unitary transformations. A generalized formula of concurrence for N-dimensional quantum systems is presented. This generalized concurrence has potential applications in studying separability and calculating the entanglement of formation for high-dimensional mixed quantum states.
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