Physics – Quantum Physics
Scientific paper
2007-05-16
Physics
Quantum Physics
6 pages
Scientific paper
10.1088/0953-4075/41/1/015505
Based on the S-R indeterminacy relations in conjugation with the partial transposition, we derive a class of inequalities for detecting entanglement in several tripartite systems, including bosonic, SU(2), and SU(1,1) systems. These inequalities are in general stronger than those based on the usual Heisenberg relations for detecting entanglement. We also discuss the reduction from SU(2) and SU(1,1) to bosonic systems and the generalization to multipartite case.
Pu Zhong-Sheng
Song Lijun
Wang Xiaoguang
Yan Dong
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