Discrimination Between Pure States And Mixed States

Publisher:
American Physical Soc
Publication Type:
Journal Article
Citation:
Physical Review A, 2007, 75 (6), pp. 1 - 6
Issue Date:
2007-01
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In this paper, we discuss the problem of determining whether a quantum system is in a pure state, or in a mixed state. We apply two strategies to settle this problem: the unambiguous discrimination and the maximum confidence discrimination. We prove that
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