Hydrodynamical Quantum State Reconstruction
Autor: | Lars M. Johansen |
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Rok vydání: | 1998 |
Předmět: |
Physics
Density matrix Quantum Physics Order (ring theory) FOS: Physical sciences General Physics and Astronomy State (functional analysis) symbols.namesake Quantum state Position (vector) Taylor series symbols Probability distribution Statistical physics Quantum Physics (quant-ph) Variable (mathematics) |
Zdroj: | Quantum Communication, Computing, and Measurement 2 ISBN: 0306463075 Lars M. Johansen |
ISSN: | 1079-7114 0031-9007 |
DOI: | 10.1103/physrevlett.80.5461 |
Popis: | The density matrix of a nonrelativistic wave-packet in an arbitrary, one-dimensional and time-dependent potential can be reconstructed by measuring hydrodynamical moments of the Wigner distribution. An n-th order Taylor polynomial in the off-diagonal variable is obtained by measuring the probability distribution at n+1 discrete time values. Comment: 4 pages, 3 figures, to appear in Phys. Rev. Lett |
Databáze: | OpenAIRE |
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