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Local Unitary Equivalent Consistence for n−Party States and Their (n-1)-Party Reduced Density Matrices |
| WANG Zhen1, WANG He-Ping2, WANG Zhi-Xi2**, FEI Shao-Ming2
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1Department of Mathematics, Jining University, Qufu 273155
2School of Mathematical Sciences, Capital Normal University, Beijing 100048
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| Cite this article: |
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WANG Zhen, WANG He-Ping, WANG Zhi-Xi et al 2011 Chin. Phys. Lett. 28 020302 |
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Abstract We present that the local unitary equivalence of n−party pure states is consistent with that of their (n-1)-party reduced density matrices. As an application, we obtain the local invariants for a class of tripartite pure qudits.
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| Keywords:
03.67.-a
02.20.Hj
03.65.-w
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Received: 17 March 2010
Published: 30 January 2011
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