Local Unitary Equivalent Consistence for n−Party States and Their (n-1)-Party Reduced Density Matrices
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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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WANG Zhen, WANG He-Ping, WANG Zhi-Xi, FEI Shao-Ming. Local Unitary Equivalent Consistence for n−Party States and Their (n-1)-Party Reduced Density Matrices[J]. Chin. Phys. Lett., 2011, 28(2): 020302. DOI: 10.1088/0256-307X/28/2/020302
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WANG Zhen, WANG He-Ping, WANG Zhi-Xi, FEI Shao-Ming. Local Unitary Equivalent Consistence for n−Party States and Their (n-1)-Party Reduced Density Matrices[J]. Chin. Phys. Lett., 2011, 28(2): 020302. DOI: 10.1088/0256-307X/28/2/020302
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WANG Zhen, WANG He-Ping, WANG Zhi-Xi, FEI Shao-Ming. Local Unitary Equivalent Consistence for n−Party States and Their (n-1)-Party Reduced Density Matrices[J]. Chin. Phys. Lett., 2011, 28(2): 020302. DOI: 10.1088/0256-307X/28/2/020302
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WANG Zhen, WANG He-Ping, WANG Zhi-Xi, FEI Shao-Ming. Local Unitary Equivalent Consistence for n−Party States and Their (n-1)-Party Reduced Density Matrices[J]. Chin. Phys. Lett., 2011, 28(2): 020302. DOI: 10.1088/0256-307X/28/2/020302
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