Density Operator is a positive semi-definite, self-adjoint operator with unit trace on a Hilbert space that represents the statistical state of a quantum system, distinguishing itself from other quantum operators by encoding both pure and mixed states within the density matrix formalism.
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Separability Criterion for Density Matrices
Asher Peres · Physical Review Letters · 1996 · 5.2K citations · Full text
Density Operators and Quasiprobability Distributions
Kévin Cahill, Roy J. Glauber · Physical Review · 1969 · 1.3K citations · Full text
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University of Science and Technology of China
Hefei, China
15 h-index
35 publications
1.7K citations
Shanghai Jiao Tong University
Shanghai, China
14 h-index
23 publications
786 citations
Chinese Academy of Sciences
Beijing, China
10 h-index
24 publications
2.1K citations
P.N. Lebedev Physical Institute of the Russian Academy of Sciences
Moscow, Russia
10 h-index
13 publications
329 citations
University of New Mexico
Albuquerque, United States
9 h-index
19 publications
7.8K citations
University of Oxford
Oxford, United Kingdom
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14 publications
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Imperial College London
London, United Kingdom
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11 publications
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Singapore, Singapore
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15 publications
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