Formation of ultracold molecules via photoassociation with blue detuned laser light (CROSBI ID 96195)
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Podaci o odgovornosti
Almazor, M.-L. ; Dulieu, O. ; Masnou-Seeuws, F. ; Beuc, Robert ; Pichler, Goran
engleski
Formation of ultracold molecules via photoassociation with blue detuned laser light
We propose a new possibility to form ultracold molecules, via photoassociation of a pair of cold atoms into vibrational levels of the external well of an excited electronic state located at intermediate interatomic distance (~ 20 Bohr radii), and embedded in the dissociation continuum above its dissociation limit. The existence of such a well is demonstrated by conventional free-free absorption spectroscopy at thermal energies. Estimation for cold atom photoassociation and cold molecule formation rates are obtained within a perturbative approach [Drag et al., IEEE J. Quant. Electr. 36, 1378 (2000)], and are found observable for usual conditions of photoassociation experiments.
optical cooling of atoms; trapping; laser-modifed scattering and reactions; optical cooling of molecules
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Podaci o izdanju
15 (3)
2001.
355-363-x
objavljeno
1434-6060