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- W2152364986 abstract "A generic kind of quantum chaotic ratchet is introduced, based on initial states that are emph{uniform} in phase space with the emph{maximal possible} resolution of one Planck cell. Unlike a classical phase-space uniform density, such a state usually carries a emph{nonzero} ratchet current, even in emph{symmetric} systems. This quantum ratchet effect basically emerges from the generic asymmetry of the state quasicoordinates in the Planck cell. It is shown, on the basis of exact results, general arguments, and extensive numerical evidence, that in a semiclassical full-chaos regime the variance of the current over all the states is nearly proportional to the chaotic-diffusion rate and to the square of the scaled Planck constant. Experimental realizations are suggested." @default.
- W2152364986 created "2016-06-24" @default.
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- W2152364986 date "2008-10-10" @default.
- W2152364986 modified "2023-10-18" @default.
- W2152364986 title "Quantum Ratchets on Maximally Uniform States in Phase Space: Semiclassical Full-Chaos Regime" @default.
- W2152364986 hasPublicationYear "2008" @default.
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