Manipulating Feshbach resonances in collisions of atoms in laser radiation field

A. Gazazyan; E. Gazazyan; V. Chaltykyan

doi:10.1117/12.890508

4 April 2011 Manipulating Feshbach resonances in collisions of atoms in laser radiation field

A. Gazazyan, E. Gazazyan, V. Chaltykyan

Proceedings Volume 7998, International Conference on Laser Physics 2010; 79980Y (2011) https://doi.org/10.1117/12.890508
Event: International Conference on Laser Physics 2010, 2010, Ashtarak, Armenia

Abstract

Collisions of atoms with formation of Feshbach resonances in the presence of laser field are considered. The elastic and inelastic scattering cross sections are calculated. The laser field leads to second resonance in elastic scattering, broadening of resonances, and arising of interference between resonant and potential scattering. The effects associated with interference of the two channels of decay of bound system of two atoms (a molecule) in laser field are studied. It is shown that if the energy equals that of the lower stable Stark-shifted level plus the energy of two photons, the resonance is quenched. It is also shown that with the increase in two-photon effective interaction the pattern of resonance scattering changes essentially.

Citation Download Citation

A. Gazazyan, E. Gazazyan, and V. Chaltykyan "Manipulating Feshbach resonances in collisions of atoms in laser radiation field", Proc. SPIE 7998, International Conference on Laser Physics 2010, 79980Y (4 April 2011); https://doi.org/10.1117/12.890508

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