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Related papers: Proposal for the formation of ultracold deeply-bou…

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We produce ultracold dense trapped samples of 87Rb133Cs molecules in their rovibrational ground state, with full nuclear hyperfine state control, by stimulated Raman adiabatic passage (STIRAP) with efficiencies of 90%. We observe the onset…

We report on the creation of ultracold 84Sr2 molecules in the electronic ground state. The molecules are formed from atom pairs on sites of an optical lattice using stimulated Raman adiabatic passage (STIRAP). We achieve a transfer…

Quantum Gases · Physics 2012-09-18 Simon Stellmer , Benjamin Pasquiou , Rudolf Grimm , Florian Schreck

The formation of ultracold metastable RbCs molecules is observed in a double species magneto-optical trap through photoassociation below the ^85Rb(5S_1/2)+^133Cs(6P_3/2) dissociation limit followed by spontaneous emission. The molecules are…

Atomic Physics · Physics 2015-06-03 N. Bouloufa-Maafa , M. Aymar , O. Dulieu , C. Gabbanini

We present spectra of ultracold $^7$Li$^{85}$Rb molecules in their electronic ground state formed by spontaneous decay of weakly bound photoassociated molecules. Beginning with atoms in a dual species magneto-optical trap (MOT), weakly…

Atomic Physics · Physics 2014-12-24 John Lorenz , Adeel Altaf , Sourav Dutta , Yong P. Chen , D. S. Elliott

We have produced ultracold, polar RbCs* molecules via photoassociation in a laser-cooled mixture of Rb and Cs atoms. Using a model of the RbCs* molecular interaction which reproduces the observed rovibrational structure, we infer decay…

Atomic Physics · Physics 2009-11-10 Andrew J. Kerman , Jeremy M. Sage , Sunil Sainis , David DeMille , Thomas Bergeman

We report the production of ultracold heteronuclear Cs$^*$Yb molecules through one-photon photoassociation applied to an ultracold atomic mixture of Cs and Yb confined in an optical dipole trap. We use trap-loss spectroscopy to detect…

We suggest and analyze a novel technique for efficient and robust creation of dense ultracold molecular ensembles in their ground rovibrational state. In our approach a molecule is brought to the ground state through a series of…

Quantum Physics · Physics 2009-11-13 Elena Kuznetsova , Philippe Pellegrini , Robin Côté , M. D. Lukin , S. F. Yelin

We report the creation of ultracold samples of $^{39}$K$^{133}$Cs molecules in their rovibrational ground state. By investigating potentially suitable excited states using one- and two-photon spectroscopy, we have identified a pathway to…

We theoretically explore photoassociation by Adiabatic Passage of two colliding cold ^{85}Rb atoms in an atomic trap to form an ultracold Rb_2 molecule. We consider the incoherent thermal nature of the scattering process in a trap and show…

Quantum Physics · Physics 2009-11-13 Evgeny A. Shapiro , Moshe Shapiro , Avi Pe'er , Jun Ye

Ultracold metastable RbCs molecules are observed in a double species MOT through photoassociation near the Rb(5S$_{1/2}$)+Cs(6P$_{3/2}$) dissociation limit followed by radiative stabilization. The molecules are formed in their lowest…

Atomic Physics · Physics 2017-09-13 C. Gabbanini , O. Dulieu

We report the comprehensive theoretical investigation of the Sr-SrOH system identifying it as a promising route to production of ultracold asymmetric top molecules. Combining high-level ab initio electronic structure calculations with…

Atomic Physics · Physics 2025-08-21 Maciej B. Kosicki , Mateusz Borkowski , Marcin Umiński , Piotr S. Żuchowski

We report the creation of a sample of over 1000 ultracold $^{87}$RbCs molecules in the lowest rovibrational ground state, from an atomic mixture of $^{87}$Rb and Cs, by magnetoassociation on an interspecies Feshbach resonance followed by…

We report the formation of ultracold $^{7}$Li$^{85}$Rb molecules in the $a^{3}\Sigma^{+}$ electronic state by photoassociation (PA) and their detection via resonantly enhanced multiphoton ionization (REMPI). With our dual-species Li and Rb…

Atomic Physics · Physics 2015-06-22 Adeel Altaf , Sourav Dutta , John Lorenz , Jesús Pérez-Ríos , Yong P. Chen , D. S. Elliott

We report efficient all-optical creation of an ultracold gas of alkaline-earth-metal dimers, $^{88}\rm{Sr}_2$, in their absolute ground state. Starting with weakly bound singlet molecules formed by narrow-line photoassociation in an optical…

Atomic Physics · Physics 2021-11-01 K. H. Leung , E. Tiberi , B. Iritani , I. Majewska , R. Moszynski , T. Zelevinsky

We propose an improved photoassociation scheme to produce ultracold molecules in their vibronic ground state for the generic case where non-adiabatic effects facilitating transfer to deeply bound levels are absent. Formation of molecules is…

Atomic Physics · Physics 2008-10-28 Christiane P. Koch , Robert Moszynski

Using resonance-enhanced two-photon ionization, we detect ultracold, ground-state RbCs molecules formed via photoassociation in a laser-cooled mixture of 85Rb and 133Cs atoms. We obtain extensive bound-bound excitation spectra of these…

Atomic Physics · Physics 2009-11-10 Andrew J. Kerman , Jeremy M. Sage , Sunil Sainis , Thomas Bergeman , David DeMille

We investigate the interactions between ultracold alkali metal atoms and closed-shell atoms using electronic structure calculations on the prototype system Rb+Sr. There are molecular bound states that can be tuned across atomic thresholds…

Atomic Physics · Physics 2015-05-19 Piotr S. Zuchowski , J. Aldegunde , Jeremy M. Hutson

State-of-the-art {\em ab initio} techniques have been applied to compute the potential energy curves for the SrYb molecule in the Born-Oppenheimer approximation for the ground state and first fifteen excited singlet and triplet states…

We demonstrate the direct formation of vibronic ground state RbCs molecules by photoassociation of ultracold atoms followed by radiative stabilization. The photoassociation proceeds through deeply-bound levels of the (2)^{3}\Pi_{0^{+}}…

Atomic Physics · Physics 2015-06-16 C. D. Bruzewicz , Mattias Gustavsson , Toshihiko Shimasaki , D. DeMille

We demonstrate the production of ultracold polar RbCs molecules in their vibronic ground state, via photoassociation of laser-cooled atoms followed by a laser-stimulated state transfer process. The resulting sample of $X ^1\Sigma^+ (v=0)$…

Atomic Physics · Physics 2009-11-11 J. M. Sage , S. Sainis , T. Bergeman , D. DeMille
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