dorsal/arxiv
View SchemaLocal Distinguishability of Orthogonal Quantum States and Generators of SU(N)
| Authors | Ming-Yong Ye, Wei Jiang, Ping-Xing Chen, Yong-Sheng Zhang, Zheng-Wei Zhou, Guang-Can Guo |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0608040 |
| URL | https://arxiv.org/abs/quant-ph/0608040 |
| DOI | 10.1103/PhysRevA.76.032329 |
| Journal | PHYSICAL REVIEW A 76, 032329 (2007) |
Abstract
We investigate the possibility of distinguishing a set of mutually orthogonal multipartite quantum states by local operations and classical communication (LOCC). We connect this problem with generators of SU(N) and present a new condition that is necessary for a set of orthogonal states to be locally distinguishable. We show that even in multipartite cases there exists a systematic way to check whether the presented condition is satisfied for a given set of orthogonal states. Based on the proposed checking method, we find that LOCC cannot distinguish three mutually orthogonal states in which two of them are GHZ-like states.
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"abstract": "We investigate the possibility of distinguishing a set of mutually orthogonal\nmultipartite quantum states by local operations and classical communication\n(LOCC). We connect this problem with generators of SU(N) and present a new\ncondition that is necessary for a set of orthogonal states to be locally\ndistinguishable. We show that even in multipartite cases there exists a\nsystematic way to check whether the presented condition is satisfied for a\ngiven set of orthogonal states. Based on the proposed checking method, we find\nthat LOCC cannot distinguish three mutually orthogonal states in which two of\nthem are GHZ-like states.",
"arxiv_id": "quant-ph/0608040",
"authors": [
"Ming-Yong Ye",
"Wei Jiang",
"Ping-Xing Chen",
"Yong-Sheng Zhang",
"Zheng-Wei Zhou",
"Guang-Can Guo"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevA.76.032329",
"journal_ref": "PHYSICAL REVIEW A 76, 032329 (2007)",
"title": "Local Distinguishability of Orthogonal Quantum States and Generators of SU(N)",
"url": "https://arxiv.org/abs/quant-ph/0608040"
},
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