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Construction of orthogonal basis of two - mode entangled coherent state and its entanglement measure
Author(s): SONG Shi-xue, School of Physics and Technology, University of Jinan
Pages: 1-
4
Year: 2013
Issue:
10
Journal: College Physics
Keyword: entanglement measure; orthogonal basis vector; entangled coherent state;
Abstract: Entangled coherent states are a type of important continuous-variable entangled states in the processing of quantum information.However,it is complicated to calculate their entanglement due to the non-orthogonality of basis vectors in the representation of coherent state.We propose a construction method of a set of complete and orthogonal bases for two-mode entangled coherent states,and simplify the calculation of their entanglement.And also,the entanglement of several typical entangled states is calculated and discussed.
Citations