Decoherence Effects in Reactive Scattering

Details Decoherence Effects in Reactive Scattering Decoherence Effects in Reactive Scattering

2005-02-09

arxiv.org/abs/quant-ph/0502056v1

Physics

Quantum Physics

25 pages, 6 figures, to be published in J. Chem. Phys

Scientific paper

10.1063/1.1879912

Decoherence effects on quantum and classical dynamics in reactive scattering are examined using a Caldeira-Leggett type model. Through a study of dynamics of the collinear H+H2 reaction and the transmission over simple one-dimensional barrier potentials, we show that decoherence leads to improved agreement between quantum and classical reaction and transmission probabilities, primarily by increasing the energy dispersion in a well defined way. Increased potential nonlinearity is seen to require larger decoherence in order to attain comparable quantum-classical agreement.

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