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Related papers: Sisyphus Cooling of Electrically Trapped Polyatomi…

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We show that the electric dipole-dipole interaction between a pair of polar molecules undergoes an all-out transformation when superimposed by a far-off resonant optical field. The combined interaction potential becomes tunable by variation…

Atomic Physics · Physics 2015-05-30 Mikhail Lemeshko , Bretislav Friedrich

We simulate collisions between two atoms, which move in an optical lattice under the dipole-dipole interaction. The model describes simultaneously the two basic dynamical processes, namely the Sisyphus cooling of single atoms, and the…

Atomic Physics · Physics 2009-11-07 J. Piilo , K. -A. Suominen , K. Berg-Sorensen

Sympathetic cooling of trapped ions has become an indispensable tool for quantum information processing and precision spectroscopy. In the simplest situation a single Doppler-cooled ion sympathetically cools another ion which typically has…

Atomic Physics · Physics 2013-05-30 Jannes B. Wübbena , Sana Amairi , Olaf Mandel , Piet O. Schmidt

The study of cold and controlled molecular ions is pivotal for fundamental research in modern physics and chemistry. Investigations into cooling molecular anions, in particular, have proven to be of key consequence for the production of…

Progress on researches in the field of molecules at cold and ultracold temperatures is reported in this review. It covers extensively the experimental methods to produce, detect and characterize cold and ultracold molecules including…

Quantum Physics · Physics 2015-05-13 Olivier Dulieu , Carlo Gabbanini

We show theoretically that ultracold hydrogen atoms have very favorable properties for sympathetic cooling of molecules to microkelvin temperatures. We calculate the potential energy surfaces for spin-polarized interactions of H atoms with…

Atomic Physics · Physics 2013-11-20 Maykel L. Gonzalez-Martinez , Jeremy M. Hutson

This paper reviews recent advances in the study of strongly interacting systems of dipolar molecules. Heteronuclear molecules feature large and tunable electric dipole moments, which give rise to long-range and anisotropic dipole-dipole…

Quantum Gases · Physics 2016-07-14 Bryce Gadway , Bo Yan

Recent experiments have demonstrated direct cooling and trapping of diatomic and triatomic molecules in magneto-optical traps (MOTs). However, even the best molecular MOTs to date still have density $10^{-5}$ times smaller than in typical…

Atomic Physics · Physics 2023-04-19 Thomas K. Langin , David DeMille

We study a simple model consisting of an atomic ion and a polar molecule trapped in a single setup, taking into consideration their electrostatic interaction. We determine analytically their collective modes of excitation as a function of…

Atomic Physics · Physics 2016-08-11 Jordi Mur-Petit , Juan José García-Ripoll

The $^{27}$Al$^+$ ion optical clock is one of the most attractive optical clocks due to its own advantages, such as low blackbody radiation shift at room temperature and insensitive to the magnetic drift. However, it cannot be laser-cooled…

Atomic Physics · Physics 2019-01-25 Jun-juan Shang , Kai-feng Cui , Jian Cao , Shao-mao Wang , Hua-lin Shu , Xue-ren Huang

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…

For exploration of quantum effects with hybrid atom-ion systems, reaching ultracold temperatures is the major limiting factor. In this work, we present results on numerical simulations of trapped ion buffer gas cooling using an ultracold…

Atomic Physics · Physics 2022-04-13 E. Trimby , H. Hirzler , H. Fürst , A. Safavi-Naini , R. Gerritsma , R. S. Lous

We investigate laser cooling of an ensemble of atoms in an optical cavity. We demonstrate that when atomic dipoles are sychronized in the regime of steady-state superradiance, the motion of the atoms may be subject to a giant frictional…

Quantum Physics · Physics 2016-04-20 Minghui Xu , Simon B. Jäger , S. Schütz , J. Cooper , Giovanna Morigi , M. J. Holland

High temperature polymer-based dielectric capacitors are crucial for application in electronic power systems. However, the storage performance of conventional dielectrics polymer dramatically deteriorates due to the thermal breakdown under…

We discuss techniques to engineer effective long-range interactions between polar molecules using external static electric and microwave fields. We consider a setup where molecules are trapped in a two-dimensional pancake geometry by a…

Quantum Physics · Physics 2009-11-13 A. Micheli , G. Pupillo , H. P. Büchler , P. Zoller

Cooling the center-of-mass motion of levitated nanoparticles provides a route to quantum experiments at mesoscopic scales. Here we demonstrate three-dimensional sympathetic cooling and detection of the center-of-mass motion of a levitated…

Optics · Physics 2023-03-28 Dmitry S. Bykov , Lorenzo Dania , Florian Goschin , Tracy E. Northup

We study the dynamics of the cooling of a gas of caesium atoms in an optical lattice, both experimentally and with 1D full-quantum Monte Carlo simulations. We find that, contrary to the standard interpretation of the Sisyphus model, the…

Atomic Physics · Physics 2007-05-23 Claude M. Dion , Peder Sjolund , Stefan J. H. Petra , Svante Jonsell , Anders Kastberg

We demonstrate simultaneous deceleration and trapping of a cold atomic and molecular mixture. This is the first step towards studies of cold atom-molecule collisions at low temperatures as well as application of sympathetic cooling. Both…

Chemical reaction rates often depend strongly on stereodynamics, namely the orientation and movement of molecules in three-dimensional space. An ultracold molecular gas, with a temperature below 1 uK, provides a highly unusual regime for…

Quantum Physics · Physics 2016-11-25 M. H. G. de Miranda , A. Chotia , B. Neyenhuis , D. Wang , G. Quemener , S. Ospelkaus , J. L. Bohn , J. Ye , D. S. Jin

Hybrid systems of laser-cooled trapped ions and ultracold atoms combined in a single experimental setup have recently emerged as a new platform for fundamental research in quantum physics. This paper reviews the theoretical and experimental…