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The paper investigates cold molecules formation in the photoassociation oftwo cold atoms by a strong laser pulse applied at short interatomic distances,which lead to a molecular dynamics taking place in the light-induced(adiabatic) potentials. A two electronic states model in the cesium dimer isused to analyse the effects of this strong coupling regime and to show specificresults: i) acceleration of the ground state population to the inner zone dueto a non-impulsive regime of coupling at short and intermediate interatomicdistances; ii) formation of cold molecules in strongly bound levels of theground state, where the population at the end of the pulse is much bigger thanthe population photoassociated in bound levels of the excited state; iii) thefinal momentum distribution of the ground state wavepacket keeping thesignatures of the maxima in the initial wavefunction continuum. It is shownthat the topology of the light-induced potentials plays an important role indynamics.

Cold molecules formation by shaping with light the short-range interaction between cold atoms: photoassociation with strong laser pulses