Perspectives for coherent optical formation of strontium molecules in their electronic ground state

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dc.creatorKoch, Christiane P.
dc.date2008-10-31
dc.date.accessioned2026-07-07T12:23:38Z
dc.date.available2026-07-07T12:23:38Z
dc.descriptionOptical Feshbach resonances [Phys. Rev. Lett. 94, 193001 (2005)] and pump-dump photoassociation with short laser pulses [Phys. Rev. A 73, 033408 (2006)] have been proposed as means to coherently form stable ultracold alkali dimer molecules. In an optical Feshbach resonance, the intensity and possibly frequency of a cw laser are ramped up linearly followed by a sudden switch-off of the laser. This is applicable to tightly trapped atom pairs. In short-pulse photoassociation, the pump pulse forms a wave-packet in an electronically excited state. The ensuing dynamics carry the wave-packet to shorter internuclear distances where, after half a vibrational period, it can be deexcited to the electronic ground state by the dump pulse. Short-pulse photoassociation is suited for both shallow and tight traps. The applicability of these two means to produce ultracold molecules is investigated here for $^{88}$Sr. Dipole-allowed transitions proceeding via the $B^1Σ_u^+$ excited state as well as transitions near the intercombination line are studied.
dc.identifierhttps://arxiv.org/abs/0811.0015
dc.identifierhttp://arxiv.org/abs/0811.0015
dc.identifierPhys. Rev. A 78, 063411 (2008)
dc.identifierdoi:10.1103/PhysRevA.78.063411
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/214056
dc.subjectAtomic Physics
dc.subjectChemical Physics
dc.titlePerspectives for coherent optical formation of strontium molecules in their electronic ground state
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