Manipulating Feshbach resonances in collisions of atoms in laser radiation field

Gazazyan, A. D.; Gazazyan, E. A.; Chaltykyan, V. O.

doi:10.1117/12.890508

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“…Fano technique is, however, used not only in atomic physics for, e.g., studies of autoionization and Rydberg states [9], resonance ionization of atoms [11,12], and laser induced continuum structures (LICS) [13]. The Fano technique is also used for considerations of resonant collision [9] including those of electrons with atoms with formation of negative ions and interference phenomena in the field of laser radiation [14,15]. Fano technique is widely used in also other fields of physics.…”

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confidence: 99%

Formation and stimulated photodissociation of metastable molecules with emission of photon at the collision of two atoms in a laser radiation field

Gazazyan¹,

Gazazyan²

2017

Laser Phys.

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Abstract. The Formation of metastable molecules (Feshbach resonances) at the collision of two atoms and subsequent stimulated transition to a lower unbound electronic molecular state, with emission of a photon of the laser radiation has been investigated. This can develop, in particular, for Rb 2 molecules due to resonance scattering of two Rb atoms. The considered process is a basis for the creation of excimer lasers. Expressions for the cross sections of elastic and inelastic resonance scattering and the intensity of the stimulated emission of the photons have been obtained.

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