Matches in SemOpenAlex for { <https://semopenalex.org/work/W2018640710> ?p ?o ?g. }
- W2018640710 abstract "The authors developed a new method for calculating the quantum evolution of multidimensional systems, for cases in which the system can be assumed to consist of a quantum subsystem and a bath subsystem of heavier atoms. The method combines two ideas: starting from a simple frozen Gaussian description of the bath subsystem, then calculate quantum corrections to the propagation of the quantum subsystem. This follows from recent work by one of them, showing how one can calculate corrections to approximate evolution schemes, even when the Hamiltonian that corresponds to these approximate schemes is unknown. Then, they take the limit in which the width of the frozen Gaussians approaches zero, which makes the corrections to the evolution of the quantum subsystem depend only on classical bath coordinates. The test calculations they present use low-dimensional systems, in which comparison to exact quantum dynamics is feasible." @default.
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- W2018640710 date "2007-05-10" @default.
- W2018640710 modified "2023-10-16" @default.
- W2018640710 title "New mixed quantum∕semiclassical propagation method" @default.
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- W2018640710 doi "https://doi.org/10.1063/1.2731779" @default.
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