English
Related papers

Related papers: Formation of ultracold metastable RbCs molecules b…

200 papers

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

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 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 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 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 report on the observation of blue-detuned photoassociation in Rb2, in which vibrational levels are energetically above the corresponding excited atomic asymptote. 85Rb atoms in a MOT were photoassociated at short internuclear distances…

We have produced ultracold heteronuclear YbRb$^*$ molecules in a combined magneto-optical trap by photoassociation. The formation of electronically excited molecules close to the dissociation limit was observed by trap loss spectroscopy in…

Quantum Physics · Physics 2016-01-20 N. Nemitz , F. Baumer , F. Münchow , S. Tassy , A. Görlitz

We have produced ultracold heteronuclear KRb molecules by the process of photoassociation in a two-species magneto-optical trap. Following decay of the photoassociated KRb*, the molecules are detected using two-photon ionization and…

Photoassociation of two ultracold rubidium atoms and the subsequent formation of stable molecules in the singlet ground and lowest triplet states is investigated theoretically. The method employs laser pulses inducing transitions via…

Atomic Physics · Physics 2007-05-23 Christiane P. Koch , Ronnie Kosloff , Françoise Masnou-Seeuws

We investigate the possibility of forming deeply bound ultracold RbCs molecules by a two-color photoassociation experiment. We compare the results with those for Rb_2 in order to understand the characteristic differences between…

Atomic Physics · Physics 2010-06-16 Subhas Ghosal , Richard J. Doyle , Christiane P. Koch , Jeremy M. Hutson

We report the production of ultracold 7Li85Rb molecules by photoassociation (PA) below the Li (2s 2S1/2) + Rb (5p 2P1/2) asymptote. We perform PA spectroscopy in a dual-species 7Li-85Rb magneto-optical trap (MOT) and detect the PA…

Atomic Physics · Physics 2014-05-06 Sourav Dutta , D. S. Elliott , Yong P. Chen

We explore the feasibility of optically forming long-range tetratomic and larger polyatomic molecules in their ground electronic state from ultracold pairs of polar molecules aligned by external fields. Depending on the relative orientation…

Atomic Physics · Physics 2021-06-16 Marko Gacesa , Jason N. Byrd , Jonathan Smucker , John A. Montgomery, , Robin Côté

Photoassociation of ultracold atoms is shown to lead to alignment of the product molecules along the excitation laser polarization axis. We theoretically investigate pulsed photoassociation of $^{87}Rb$ atoms into a specific weakly-bound…

Quantum Physics · Physics 2017-11-15 S. Kallush , J. L. Carini , P. L. Gould , R. Kosloff

We report continuous direct photoassociative formation of ultracold KRb molecules in the lowest vibrational levels $(v"=0 -10)$ of the electronic ground state $(X ^1\Sigma^+)$, starting from $^{39}$K and $^{85}$Rb atoms in a magneto-optical…

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 report the observation of microwave coherent control of rotational states of ultracold $^{85}$Rb$^{133}$Cs molecules formed in their vibronic ground state by short-range photoassociation. Molecules are formed in the single rotational…

Atomic Physics · Physics 2020-07-10 Zhonghua Ji , Ting Gong , Yonglin He , Jeremy M. Hutson , Yanting Zhao , Liantuan Xiao , Suotang Jia

We investigate the formation of weakly bound, electronically excited, heteronuclear 6Li40K* molecules by single-photon photoassociation in a magneto-optical trap. We performed trap loss spectroscopy within a range of 325 GHz below the…

We demonstrate the formation of a single RbCs molecule during the merging of two optical tweezers, one containing a single Rb atom and the other a single Cs atom. Both atoms are initially predominantly in the motional ground states of their…

We have studied the effect of resonant electronic state coupling on the formation of ultracold ground-state $^{85}$Rb$_2$. Ultracold Rb$_2$ molecules are formed by photoassociation (PA) to a coupled pair of $0_u^+$ states, $0_u^+(P_{1/2})$…

Atomic Physics · Physics 2008-10-31 H. K. Pechkis , D. Wang , Y. Huang , E. E. Eyler , P. L. Gould , W. C. Stwalley , C. P. Koch
‹ Prev 1 2 3 10 Next ›