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The interaction of a trapped ion with a laser beam in the strong excitation regime is analyzed. In this regime, a variety of non--classical states of motion can be prepared either by using laser pulses of well defined area, or by an…

Quantum Physics · Physics 2009-10-28 J. F. Poyatos , J. I. Cirac , R. Blatt , P. Zoller

Typical sources of ultracold atoms operate with a considerable delay between the delivery of ensembles due to sequential trapping and cooling schemes. Therefore, alternative schemes for the continuous generation of ultracold atoms are…

Quantum Physics · Physics 2015-11-23 J. Mahnke , I. Kruse , A. Hüper , S. Jöllenbeck , W. Ertmer , J. Arlt , C. Klempt

The combination of ultra-cold atomic clouds with the light fields of optical cavities provides a powerful model system for the development of new types of laser cooling and for studying cooperative phenomena. These experiments critically…

Atomic Physics · Physics 2008-01-29 Simone Bux , Gordon Krenz , Sebastian Slama , Claus Zimmermann , Philippe W. Courteille

We study the stochastic dynamics of a particle in a periodically driven potential. For atomic ions trapped in radio-frequency Paul traps, noise heating and laser cooling typically act slowly in comparison with the unperturbed motion. These…

Atomic Physics · Physics 2019-05-17 A. Maitra , D. Leibfried , D. Ullmo , H. Landa

We report on a comparative analysis of quenched sideband cooling in trapped ions. We introduce a theoretical approach for time-efficient simulation of the temporal cooling characteristics and derive the optimal conditions providing fast…

Precision measurements at low energy search for physics beyond the Standard Model in a way complementary to searches for new particles at colliders. In the weak sector the most general $\beta$ decay Hamiltonian contains, besides vector and…

Single Cesium atoms are cooled and trapped inside a small optical cavity by way of a novel far-off-resonance dipole-force trap (FORT), with observed lifetimes of 2 to 3 seconds. Trapped atoms are observed continuously via transmission of a…

Quantum Physics · Physics 2009-11-07 J. McKeever , J. R. Buck , A. D. Boozer , A. Kuzmich , H. -C. Naegerl , D. M. Stamper-Kurn , H. J. Kimble

In this paper, we present a technique for magneto-optical cooling and trapping of neutral atoms using a single laser. The alternating-frequency magneto-optical trap (AF-MOT) uses an agile light source that sequentially switches between…

Atomic Physics · Physics 2019-10-15 B. Wiegand , B. Leykauf , K. Döringshoff , Y. D. Gupta , A. Peters , M. Krutzik

Optical trapping of selected species of radioactive atoms has great potential in precision measurements for testing fundamental physics such as EDM, PNC and parity violating beta-decay asymmetry correlation coefficients. We report trapping…

Quantum Physics · Physics 2009-11-13 D. Feldbaum , H. Wang , J. Weinstein , D. Vieira , X. Zhao

Neutron-capture reactions provide essential nuclear-physics input for modeling the synthesis of heavy elements in stars. The growing precision of stellar spectroscopy and isotopic measurements in presolar SiC grains now demands cross…

Studies in nuclear and atomic physics have played an important role in developing our understanding of the Standard Model of electroweak interactions. We review the basic ingredients of the Standard Model, and discuss some key nuclear and…

Nuclear Theory · Physics 2017-08-23 M. J. Ramsey-Musolf , J. Secrest

The MORA (Matter's Origin from the RadioActivity of trapped and oriented ions) project aims at measuring with unprecedented precision the D correlation in the nuclear beta decay of trapped and oriented ions. The D correlation offers the…

We realize the first magneto-optical trap of an atom in main group III of the Periodic Table. Our atom of choice (indium) does not have a transition out of its ground state suitable for laser cooling; therefore, laser cooling is performed…

Atomic Physics · Physics 2022-06-09 Xianquan Yu , Jinchao Mo , Tiangao Lu , Ting You Tan , Travis L. Nicholson

We propose and experimentally demonstrate a novel scheme to magneto-optically trap neutral atoms in a ring shaped trap that can be used to transfer atoms into a circular magnetic trap with high density. This inturn enables to evaporatively…

Other Condensed Matter · Physics 2007-05-23 Makoto Morinaga

Accurate measurement of the lifetime of the neutron (which is unstable to beta decay) is important for understanding the weak nuclear force and the creation of matter during the Big Bang. Previous measurements of the neutron lifetime have…

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…

Cooling of particles to mK-temperatures is essential for a variety of experiments with trapped charged particles. However, many species of interest lack suitable electronic transitions for direct laser cooling. We study theoretically the…

Trapping lithium with a big number in a simplified experimental setup has difficulties and challenges today. In this paper, we experimentally demonstrate the enhancement of \textsuperscript{6}Li trapping efficiency in a three-dimensional…

Atomic Physics · Physics 2017-08-16 Kai Li , Dongfang Zhang , Tianyou Gao , Shi-Guo Peng , Kaijun Jiang

We demonstrate loading of ions into a surface-electrode trap (SET) from a remote, laser-cooled source of neutral atoms. We first cool and load $\sim$ $10^6$ neutral $^{88}$Sr atoms into a magneto-optical trap from an oven that has no line…

Atomic Physics · Physics 2015-06-05 Jeremy M. Sage , Andrew J. Kerman , John Chiaverini

We present an experiment to sympathetically cool protons and antiprotons in a Penning trap by resonantly coupling the particles to laser cooled beryllium ions using a common endcap technique. Our analysis shows that preparation of…

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