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Strategies to measure a quantum state

✍ Scribed by Franz Embacher; Heide Narnhofer


Book ID
108053093
Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
349 KB
Volume
311
Category
Article
ISSN
0003-4916

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We employ M= [ (Trp)'-Tr$]/(Trp)\* as a quantitative measure of state impurity, i.e. the deviation ofa time-dependent quantum state described by density matrix p, from a pure state. Two examples, an optically prepared molecular state and a quantum kicked rotor subjected to Gaussian amplitude noise a

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