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Related papers: Cavity-controlled ultracold chemistry

200 papers

We demonstrate that judicious shaping of a nanosecond-time-scale frequency chirp can dramatically enhance the formation rate of ultracold $^{87}$Rb$_{2}$ molecules. Starting with ultracold $^{87}$Rb atoms, we apply pulses of…

Atomic Physics · Physics 2016-02-26 J. L. Carini , S. Kallush , R. Kosloff , P. L. Gould

Intermolecular bonds are weak compared to covalent bonds, but they are strong enough to influence the properties of large molecular systems. In this work, we investigate how strong light-matter coupling inside an optical cavity can modify…

Chemical Physics · Physics 2021-03-17 Tor S. Haugland , Christian Schäfer , Enrico Ronca , Angel Rubio , Henrik Koch

We show that the precise preparation of a quantum superposition between three rotational states of an ultracold dipolar molecule generates controllable interferences in their two-body scattering dynamics and collisional rate coefficients,…

Quantum Gases · Physics 2024-06-21 Thibault Delarue , Goulven Quéméner

We show that a collection of two-level atoms in an optical cavity beyond the rotating wave approximation and in the dispersive and strong-coupling regime constitutes a nonlinear medium and is capable of generating squeezed state of light.…

Quantum Physics · Physics 2014-11-07 Aranya B. Bhattacherjee

We propose that condensed matter phenomena involving the spontaneous emergence and dynamics of crystal lattices can be realized in the setting of ultracold Bose-condensed atoms coupled to multimode cavities. Previously, it was shown that in…

Other Condensed Matter · Physics 2009-10-09 Sarang Gopalakrishnan , Benjamin L. Lev , Paul M. Goldbart

Current methods of preparing maximally entangled states in the laboratory need an extremely accurate control of interaction times, requiring sophisticated experimental techniques. Here, we show that such precise control is not necessary…

Quantum Physics · Physics 2016-09-08 D. E. Browne , M. B. Plenio

We propose a dissipative scheme to prepare a three-dimensional entangled state for two atoms trapped in separate coupled cavities. Our work shows that both atomic spontaneous emission and cavity decay, which are two typical obstacles in…

Quantum Physics · Physics 2015-05-11 Shi-Lei Su , Xiao-Qiang Shao , Hong-Fu Wang , Shou Zhang

Atoms coupled to optical cavities provide a novel platform for understanding high-orbital exotic phenomena in strongly correlated materials. In this study, we investigate strongly correlated ultracold bosonic gases that are coupled to two…

Quantum Gases · Physics 2025-08-20 Hui Tan , Pengfei Zhang , Jianmin Yuan , Yongqiang Li

We present protocols for creating entangled states of two modes of the electromagnetic field, by using a beam of atoms crossing microwave resonators. The atoms are driven by a transverse, classical field and pump correlated photons into (i)…

Quantum Physics · Physics 2015-05-18 Susanne Pielawa , Luiz Davidovich , David Vitali , Giovanna Morigi

The design of an experiment on the spontaneous crystallization of a laser-cooled, but thermal atomic cloud into a hexagonally structured phase is discussed. Atomic interaction is mediated by the dipole potential of an optical lattice formed…

This article reviews the current state of the art in the field of cold and ultracold molecules and demonstrates that chemical reactions, inelastic collisions and dissociation of molecules at subKelvin temperatures can be manipulated with…

Atomic Physics · Physics 2015-06-26 R. V. Krems

A strongly coupled ultracold plasma can be used as an excellent test platform for studying many-body interactions associated with various plasma phenomena. In this paper we discuss an approach that makes possible creation of the…

Ultracold $^{87}$Rb atoms are delivered into a high-finesse optical micro-cavity using a translating optical lattice trap and detected via the cavity field. The atoms are loaded into an optical lattice from a magneto-optic trap (MOT) and…

Quantum Physics · Physics 2009-11-10 J. A. Sauer , K. M. Fortier , M. S. Chang , C. D. Hamley , M. S. Chapman

An increasingly large variety of molecular species are being cooled down to low energies in recent years, and innovative ideas and powerful techniques continue to emerge to gain ever more precise control of molecular motion. In this brief…

Quantum Gases · Physics 2024-05-24 Tim Langen , Giacomo Valtolina , Dajun Wang , Jun Ye

We realize a ring cavity strongly interacting with an atom array with configurable spatial structures. By preparing the atom array with a maximized structure factor, we observe the emergence of a cavity dark mode, where the standing-wave…

Quantum Physics · Physics 2024-10-29 Xiaotian Zhang , Zhanhai Yu , Hongrui Zhang , Di Xiang , Hao Zhang

We demonstrate a new versatile building block for optical quantum technologies, based on an intracavity Rydberg-blockaded atomic ensemble acting as a single two-level superatom. We coherently control its state and optically detect it in a…

Quantum Physics · Physics 2022-05-18 Julien Vaneecloo , Sébastien Garcia , Alexei Ourjoumtsev

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 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 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

We introduce a prototypical model for cavity polaritonic control of ultracold photochemistry by considering the resonant vibrational strong coupling of a rubidium dimer to a terahertz cavity. We demonstrate that at avoided crossings between…

Quantum Gases · Physics 2023-11-21 Vasil Rokaj , Simeon I. Mistakidis , H. R. Sadeghpour