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Related papers: Microwave traps for cold polar molecules

200 papers

Cold and ultracold polar molecules with nonzero electronic angular momentum are of great interest for studies in quantum chemistry and control, investigations of novel quantum systems, and precision measurement. However, in mixed electric…

Atomic Physics · Physics 2015-05-30 Benjamin K. Stuhl , Mark Yeo , Brian C. Sawyer , Matt Hummon , Jun Ye

Ultracold polar molecules offer strong electric dipole moments and rich internal structure, which makes them ideal building blocks to explore exotic quantum matter, implement novel quantum information schemes, or test fundamental symmetries…

We describe an array of microscopic atom traps formed by a pattern of magnetisation on a piece of videotape. We describe the way in which cold atoms are loaded into one of these micro-traps and how the trapped atom cloud is used to explore…

We propose a novel scheme to realize the supersolid phase in ultracold gases of microwave-shielded polar molecules by engineering an additional anisotropy in inter-molecular dipolar interaction via an elliptically polarized microwave. It is…

Quantum Gases · Physics 2025-07-01 Wei Zhang , Hongye Liu , Fulin Deng , Kun Chen , Su Yi , Tao Shi

We characterize a Fabry-Perot microwave cavity designed for trapping atoms and molecules at the antinode of a microwave field. The cavity is fed from a waveguide through a small coupling hole. Focussing on the compact resonant modes of the…

Atomic Physics · Physics 2015-06-22 D. P. Dunseith , S. Truppe , R. J. Hendricks , B. E. Sauer , E. A. Hinds , M. R. Tarbutt

For the first time, ordered polar molecules confined in monolayer-deep rectangular pits produced on an alkali halide surface by electron irradiation have been resolved at room temperature by non-contact atomic force microscopy. Molecules…

We demonstrate the long-term ($<$ 1 minute) trapping of Stark-decelerated OH radicals in their $X~^{2}\Pi _{3/2}~(\nu = 0,~J = 3/2,~M_{J} = 3/2,~f)$ state in a permanent magnetic trap. The trap environment was cryogenically cooled to a…

Chemical Physics · Physics 2019-08-05 Dominik Haas , Claudio von Planta , Thomas Kierspel , Dongdong Zhang , Stefan Willitsch

We theoretically investigate trapping conditions for ultracold polar molecules in optical lattices, when external magnetic and electric fields are simultaneously applied. Our results are based on an accurate electronic-structure calculation…

Quantum Physics · Physics 2017-08-29 Ming Li , Alexander Petrov , Constantinos Makrides , Eite Tiesinga , Svetlana Kotochigova

The challenge of building a scalable quantum processor requires consolidation of the conflicting requirements of achieving coherent control and preservation of quantum coherence in a large scale quantum system. Moreover, the system should…

Quantum Physics · Physics 2007-05-23 A. Andre , D. DeMille , J. M. Doyle , M. D. Lukin , S. E. Maxwell , P. Rabl , R. Schoelkopf , P. Zoller

The efficiency of cavity sideband cooling of trapped molecules is theoretically investigated for the case where the IR transition between two rovibrational states is used as a cycling transition. The molecules are assumed to be trapped…

Quantum Physics · Physics 2011-11-30 Markus Kowalewski , Giovanna Morigi , Pepijn W. H. Pinkse , Regina de Vivie-Riedle

We here report on the implementation of a microwave lens for neutral polar molecules suitable to focus molecules both in low-field-seeking and in high-field-seeking states. By using the TE_11m modes of a 12 cm long cylindrically symmetric…

Chemical Physics · Physics 2010-06-30 Hitoshi Odashima , Simon Merz , Katsunari Enomoto , Melanie Schnell , Gerard Meijer

We present experiments on decelerating and trapping ammonia molecules using a combination of a Stark decelerator and a traveling wave decelerator. In the traveling wave decelerator a moving potential is created by a series of ring-shaped…

A microstructured array of over 1200 electrodes on a substrate has been configured to generate an array of local minima of electric field strength with a periodicity of $120 \mu$m about $25 \mu$m above the substrate. By applying…

Atomic Physics · Physics 2008-04-23 Samuel A. Meek , Hendrick L. Bethlem , Horst Conrad , Gerard Meijer

Trapping of microparticles, nanoparticles and aerosols is an issue of major interest for physics and chemistry. We present a setup intended for microparticle trapping in multipole linear Paul trap geometries, operating under Standard…

Recent work on magnetic micro traps for ultracold atoms is briefly reviewed. The basic principles of operation are described together with the loading methods and some of the realized trap geometries. Experiments are discussed that study…

Other Condensed Matter · Physics 2007-05-23 Jozsef Fortagh , Sebastian Kraft , Andreas Guenther , Christian Trueck , Philipp Wicke , Claus Zimmermann

Harnessing the potential wide-ranging quantum science applications of molecules will require control of their interactions. Here, we use microwave radiation to directly engineer and tune the interaction potentials between ultracold calcium…

Multipole radiofrequency ion traps are a highly versatile tool to study molecular ions and their interactions in a well-controllable environment. In particular the cryogenic 22-pole ion trap configuration is used to study ion-molecule…

Atomic Physics · Physics 2015-05-13 Roland Wester

A microwave cavity is described which can be used to cool lepton plasmas for potential use in synthesis of antihydrogen. The cooling scheme is an incarnation of the Purcell Effect: when plasmas are coupled to a microwave cavity, the plasma…

Instrumentation and Detectors · Physics 2016-10-04 N. Evetts , I. Martens , D. Bizzotto , D. Longuevergne , W. N. Hardy

Quantum gases of ultracold polar molecules have novel properties because of the strong dipolar forces between molecules. Current experiments shield the molecules from destructive collisions by engineering long-range repulsive interactions…

Quantum Gases · Physics 2025-09-26 Bijit Mukherjee , Luis Santos , Jeremy M. Hutson

Microwave(MW) fields with strong field strength, ultralow phase-noise and tunable polarization are crucial for stabilizing and manipulating ultracold polar molecules, which have emerged as a promising platform for quantum sciences. In this…