Construction of many- particle spin entangled states and signature |
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Authors: | Zhu Hongbo Zeng Jinyan |
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Institution: | Department of Physics, Peking University, Beijing 100871, China |
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Abstract: | Using the collective rotational transformation,R
x(π we construct two types of many-particle spin entangled states in terms of the bases of angular momentum uncoupling and
coupling representations. The concept of signature is introduced. The entanglement properties of a four-particle system is
investigated by analyzing various subsystem reduced density matrices. |
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Keywords: | entangled state signature reduced density matrix |
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