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Quantifying the entanglement of quantum states under the geometry method

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arxiv 2204.03791 v3 pith:NWKUXVOW submitted 2022-04-08 quant-ph

Xian Shi , Lin Chen , Yixuan Liang This is my paper · ORCID
classification quant-ph
keywords statesmeasureentanglementmodifiedbipartiteextendedquantifyingquantum
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Quantifying entanglement is an important issue in quantum information theory. Here we consider the entanglement measures through the trace norm in terms of two methods, the modified measure and the extended measure for bipartite states. We present the analytical formula for the pure states in terms of the modified measure and the mixed states of two-qubit systems for the extended measure. We also generalize the modified measure from bipartite states to tripartite states.

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