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Related papers: Formation of ultracold LiCs molecules

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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…

The development of the magneto-optical trap revolutionized the fields of atomic and quantum physics by providing a simple method for the rapid production of ultracold, trapped atoms. A similar technique for producing a diverse set of dense,…

Atomic Physics · Physics 2014-04-17 Matthew T. Hummon , Mark Yeo , Benjamin K. Stuhl , Alejandra L. Collopy , Yong Xia , Jun Ye

Quantum gases of doubly-polar molecules represent appealing frameworks for a variety of cross-disciplinary applications, encompassing quantum simulation and computation, controlled quantum chemistry and precision measurements. Through a…

The formation of Li$_2^+$ and subsequently Li$^+$ ions, during the excitation of $^7$Li atoms to the $3S_{1/2}$ state in a $^7$Li magneto optical trap (MOT), is probed in an ion-atom hybrid trap. Associative ionization occurs during the…

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 report the creation of dual-species Bose-Einstein condensates (BECs) of $^{7}$Li and $^{133}$Cs. These BECs are formed in a bichromatic optical dipole trap created with 1550-nm and 780-nm laser beams. During the production process, an…

Quantum Gases · Physics 2023-09-11 Y. -D. Chen , W. -X. Li , Y. -T. Sun , Q. -C. Chen , P. -Y. Chang , S. Tung

The paper investigates cold molecules formation in the photoassociation of two cold atoms by a strong laser pulse applied at short interatomic distances, which lead to a molecular dynamics taking place in the light-induced (adiabatic)…

Quantum Physics · Physics 2009-07-23 M. Vatasescu

We present the first simultaneous trapping of two different ultracold atomic species in a conservative trap. Lithium and cesium atoms are stored in an optical dipole trap formed by the focus of a CO$_2$ laser. Techniques for loading both…

Atomic Physics · Physics 2009-11-07 A. Mosk , S. Kraft , M. Mudrich , K. Singer , W. Wohlleben , R. Grimm , M. Weidemuller

Utilizing single-photon photoassociation, we have achieved ultracold rubidium molecules with a high number density that provides a new efficient approach toward molecular quantum degeneracy. A new detection mechanism for ultracold molecule…

Atomic Physics · Physics 2015-06-12 Jun-Ren Chen , Cheng-Yang Kao , Hung-Bin Chen , Yi-Wei Liu

Ultracold neutral plasmas are formed by photoionizing laser-cooled atoms near the ionization threshold. Through the application of atomic physics techniques and diagnostics, these experiments stretch the boundaries of traditional neutral…

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 an experimental demonstration of optical 2DCS in cold atoms. The experiment integrates a collinear 2DCS setup with a magneto-optical trap (MOT), in which cold rubidium (Rb) atoms are prepared at a temperature of about 200 $\mu$K…

Atomic Physics · Physics 2023-01-10 Danfu Liang , Lexter Savio Rodriguez , Haitao Zhou , Yifu Zhu , Hebin Li

The creation of ultracold molecules is currently limited to diatomic species. In this letter we present a theoretical description of the photoassociation of ultracold atoms and molecules to create ultracold excited triatomic molecules, thus…

Atomic Physics · Physics 2015-09-02 Jesús Pérez-Ríos , Maxence Lepers , Olivier Dulieu

We describe the realization of a dc electric-field trap for ultracold polar molecules, the thin-wire electrostatic trap (TWIST). The thin wires that form the electrodes of the TWIST allow us to superimpose the trap onto a magneto-optical…

Atomic Physics · Physics 2007-10-04 J. Kleinert , C. Haimberger , P. J. Zabawa , N. P. Bigelow

We have produced large samples of ultracold $^{88}$Sr$_2$ molecules in the electronic ground state in an optical lattice. The molecules are bound by 0.05 cm$^{-1}$ and are stable for several milliseconds. The fast, all-optical method of…

Atomic Physics · Physics 2015-12-22 G. Reinaudi , C. B. Osborn , M. McDonald , S. Kotochigova , T. Zelevinsky

Ultracold collisions between Cs atoms and Cs2 dimers in the electronic ground state are observed in an optically trapped gas of atoms and molecules. The Cs2 molecules are formed in the triplet ground state by cw-photoassociation through the…

Atomic Physics · Physics 2009-11-11 Peter Staanum , Stephan D. Kraft , Joerg Lange , Roland Wester , Matthias Weidemueller

Collisions between cold molecules are essential for studying fundamental aspects of quantum chemistry, and may enable formation of quantum degenerate molecular matter by evaporative cooling. However, collisions between trapped, naturally…

We have successfully implemented the first simultaneous magneto-optical trapping (MOT) of lithium ($^6$Li) and ytterbium ($^{174}$Yb) atoms, towards production of ultracold polar molecules of LiYb. For this purpose, we developed the dual…

Atomic Physics · Physics 2020-07-28 M. Okano , H. Hara , M. Muramatsu , K. Doi , S. Uetake , Y. Takasu , Y. Takahashi

We have realized a two dimensional permanent magnetic lattice of Ioffe-Pritchard microtraps for ultracold atoms. The lattice is formed by a single 300 nm magnetized layer of FePt, patterned using optical lithography. Our magnetic lattice…

In a combined experimental and theoretical effort, we demonstrate a novel type of dipolar system made of ultracold bosonic dipolar molecules with large magnetic dipole moments. Our dipolar molecules are formed in weakly bound Feshbach…