When Classical Trajectories Get to Quantum Accuracy: The Scattering of H2 on Pd(111)
A Rodríguez-Fernández1,2, L Bonnet1,3, C Crespos1,3
1Université de Bordeaux, ISM , UMR 5255, F-33400 Talence , France.
Abstract:
When elementary reactive processes occur at such low energies that only a few states of reactants and/or products are available, quantum effects strongly manifest and the standard description of the dynamics within the classical framework fails. We show here, for H2 scattering on Pd(111), that by pseudoquantizing in the spirit of Bohr the relevant final actions of the system, along with adequately treating the diffraction-mediated trapping of the incoming wave, classical simulations achieve an unprecedented agreement with state-of-the-art quantum dynamics calculations.
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