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Related papers: Ultracold $^{88}\rm{Sr}_2$ molecules in the absolu…

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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 investigate the energy levels of heteronuclear alkali metal dimers in levels correlating with the lowest rotational level of the ground electronic state, which are important in efforts to produce ground-state ultracold molecules. We use…

Atomic Physics · Physics 2009-11-13 J. Aldegunde , Ben A. Rivington , Piotr S. Żuchowski , Jeremy M. Hutson

Quantum gas microscopes have expanded the capabilities of quantum simulation of Hubbard models by enabling the study of spatial spin and density correlations in square lattices. However, quantum gas microscopes have not been realized for…

Quantum Gases · Physics 2021-06-22 Jin Yang , Liyu Liu , Jirayu Mongkolkiattichai , Peter Schauss

Using an ultracold gas of $^{87}$Rb$^{133}$Cs molecules, we perform hyperfine-resolved spectroscopy of transitions from the vibronic ground state to the lowest rovibrational states of the electronic state $\mathrm{b}\,^3\Pi_0$, as a…

Universal collision rate constants are calculated for ultracold collisions of two like bosonic or fermionic heteronuclear alkali-metal dimers involving the species Li, Na, K, Rb, or Cs. Universal collisions are those for which the short…

Chemical Physics · Physics 2017-09-13 Paul S. Julienne , Thomas M. Hanna , Zbigniew Idziaszek

We trap cold, ground-state, argon atoms in a deep optical dipole trap produced by a build-up cavity. The atoms, which are a general source for the sympathetic cooling of molecules, are loaded in the trap by quenching them from a cloud of…

Atomic Physics · Physics 2014-11-05 P. D. Edmunds , P. F. Barker

Many exotic phenomena in strongly correlated electron systems emerge from the interplay between spin and motional degrees of freedom. For example, doping an antiferromagnet gives rise to interesting phases including pseudogap states and…

We report the production of a high phase-space density mixture of $^{87}$Rb and $^{133}$Cs atoms in a levitated crossed optical dipole trap as the first step towards the creation of ultracold RbCs molecules via magneto-association. We…

Atomic Physics · Physics 2011-07-29 H. W. Cho , D. J. McCarron , D. L. Jenkin , M. P. Köppinger , S. L. Cornish

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 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

Artificial atoms (AA) offer the possibility to design physical systems implementing new regimes of ultrastrong coupling (USC) between radiation and matter, where previously unexplored non-perturbative physics emerges. While experiments so…

Mesoscale and Nanoscale Physics · Physics 2019-04-09 A. Ridolfo , G. Falci , F. M. D. Pellegrino , G. D. Maccarrone , E. Paladino

Ultracold dysprosium gases, with a magnetic moment ten times that of alkali atoms and equal only to terbium as the most magnetic atom, are expected to exhibit a multitude of fascinating collisional dynamics and quantum dipolar phases,…

Atomic Physics · Physics 2010-02-11 Mingwu Lu , Seo Ho Youn , Benjamin L. Lev

We have recently demonstrated that optical pumping methods combined with photoassociation of ultra-cold atoms can produce ultra-cold and dense samples of molecules in their absolute rovibronic ground state. More generally, both the external…

Atomic Physics · Physics 2013-08-01 I. Manai , R. Horchani , M. Hamamda , A. Fioretti , M. Allegrini , H. Lignier , P. Pillet , D. Comparat

We theoretically investigate the collisions between ultracold polar molecules in the presence of two lasers ensuring a Raman resonant transition on individual molecules to suppress photon scattering, taking the example of bosonic…

We report on the observation and characterisation of an inelastic loss feature in collisions between ultracold Rb-85 |F=2, m_F=-2> atoms at a magnetic field of 220 G. Our apparatus creates ultracold Rb-85 clouds by sympathetic cooling with…

Atomic Physics · Physics 2010-02-23 P. A. Altin , N. P. Robins , R. Poldy , J. E. Debs , D. Döring , C. Figl , J. D. Close

We review recent developments in the physics of ultracold atomic and molecular gases in optical lattices. Such systems are nearly perfect realisations of various kinds of Hubbard models, and as such may very well serve to mimic condensed…

Other Condensed Matter · Physics 2007-06-13 Maciej Lewenstein , Anna Sanpera , Veronica Ahufinger , Bogdan Damski , Aditi Sen De , Ujjwal Sen

We report the production of ultracold heteronuclear 7Li85Rb molecules in excited electronic states by photoassociation (PA) of ultracold 7Li and 85Rb atoms. PA is performed in a dual-species 7Li-85Rb magneto-optical trap (MOT) and the PA…

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

We investigate the dynamical process of optically trapped X$^{1}$$\Sigma$$^{+}$ (v" = 0) state $^{85}$Rb$^{133}$Cs molecules distributing in J" = 1 and J" = 3 rotational states. The considered molecules, formed from short-range…

Atomic Physics · Physics 2018-03-14 Zhonghao Li , Ting Gong , Zhonghua Ji , Yanting Zhao , Liantuan Xiao , Suotang Jia

We propose to create ultracold ground state molecules in an atomic Bose-Einstein condensate by adiabatic crossing of an optical Feshbach resonance. We envision a scheme where the laser intensity and possibly also frequency are linearly…

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

An array of ultracold atoms in an optical lattice (Mott insulator) excited to a state where single electron wave-functions spatially overlap would represent a new and ideal platform to simulate exotic electronic many-body phenomena in the…