Surface magnetic field/laser synergistic effects on the predissociation of adsorbed diatomic molecules

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Abstract
Synergistic effects of the surface magnetic field (SMF) and the laser on the predissociation of adsorbed diatomic molecules are studied theoretically. It is observed that the couplings between the laser-dressed and SMF-split molecular potentials create interference effects within the nuclear motion. These effects can cause enhancement or diminution in predissociation rate as compared to the analogous gas-phase laser-induced process. SMF/laser-induced predissociation rates for a few specific examples are derived using the semiclassical S-matrix formalism and results for the enchancement and diminution are discussed along with their dependence on laser power densities.