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Related papers: A versatile electrostatic trap

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Considering two-dimensional electron gases under a perpendicular magnetic field, we pinpoint a specific kind of long-range bipartite entanglement of the electronic motions. This entanglement is achieved through the introduction of bicomplex…

Mesoscale and Nanoscale Physics · Physics 2016-02-10 T. Champel , D. Hernangómez-Pérez , S. Florens

We suggest that it might be possible to trap the electron in a cavity of a macrocycle molecule, in the same way this trapping occurs cooperatively, by several solvent molecules, in hydroxylic liquids. Such an encapsulated electron is a…

Chemical Physics · Physics 2015-06-26 Ilya A. Shkrob , John A. Schlueter

We present a versatile electric trap for the exploration of a wide range of quantum phenomena in the interaction between polar molecules. The trap combines tunable fields, homogeneous over most of the trap volume, with steep gradient fields…

Quantum Physics · Physics 2012-08-02 B. G. U. Englert , M. Mielenz , C. Sommer , J. Bayerl , M. Motsch , P. W. H. Pinkse , G. Rempe , M. Zeppenfeld

The effect of the dipole-dipole interaction on the far-off-resonance optical dipole trapping scheme is calculated by a mean-field approach. The trapping laser field polarizes the atoms and the accompanying dipole-dipole energy shift deepens…

Atomic Physics · Physics 2009-11-13 D. Nagy , P. Domokos

We study a system of ultra-cold atoms possessing long range interaction (e.g. dipole-dipole interaction) in a one dimensional optical lattice in the presence of a confining harmonic trap. We have shown that for large enough on-site and…

Quantum Gases · Physics 2010-11-12 Tapan Mishra , Sunethra Ramanan , Ramesh V. Pai , Meetu Sethi Luthra , B. P. Das

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

We present a hybrid trapping platform that allows us to levitate a charged nanoparticle in high vacuum using either optical fields, radio-frequency fields, or a combination thereof. Our hybrid approach combines an optical dipole trap with a…

The new generation of planar Penning traps promises to be a flexible and versatile tool for quantum information studies. Here, we propose a fully controllable and reversible way to change the typical trapping harmonic potential into a…

Quantum Physics · Physics 2015-05-19 G. Ciaramicoli , I. Marzoli , P. Tombesi

We study laterally trapped dipolar exciton ensembles in coupled GaAs quantum wells at high magnetic fields in the Faraday configuration. In photoluminescence experiments, we identify three magnetic field regimes. At low fields, the exciton…

Quantum Gases · Physics 2017-06-28 S. Dietl , K. Kowalik-Seidl , D. Schuh , W. Wegscheider , A. W. Holleitner , U. Wurstbauer

The dynamics of quantum degenerate two-dimensional dipolar excitons confined in electrostatic traps is analyzed and compared to recent experiments. The model results stress the importance of artificial trapping for achieving and sustaining…

Other Condensed Matter · Physics 2009-11-11 Ronen Rapaport , Gang Chen , Steven Simon

We report on the production of a 41K-87Rb dual-species Bose-Einstein condensate in a hybrid trap, consisting of a magnetic quadrupole and an optical dipole potential. After loading both atomic species in the trap, we cool down 87Rb first by…

A new interlayer force-field for layered hexagonal boron nitride (h-BN) based structures is presented. The force-field contains three terms representing the interlayer attraction due to dispersive interactions, repulsion due to anisotropic…

Materials Science · Physics 2014-03-13 Itai Leven , Ido Azuri , Leeor Kronik , Oded Hod

The accurate characterization of the spatial potential generated by a planar electrode in a surface-type Paul trap is of great interest. To achieve this, we employ a simple yet highly precise parametric expression to describe the spatial…

Quantum Physics · Physics 2024-02-27 Qingqing Qin , Ting Chen , Xinfang Zhang , Baoquan Ou , Jie Zhang , Chunwang Wu , Yi Xie , Wei Wu , Pingxing Chen

The radiofrequency quadrupole linear ion trap is a widely used device in physics and chemistry. When used for trapping of large ion clouds, the presence of anharmonic terms in the radiofrequency potential limits the total number of stored…

Instrumentation and Detectors · Physics 2010-01-12 J. Pedregosa-Gutierrez , C. Champenois , Marie Houssin , Martina Knoop

Using a two-dipole model of an optical near-field of Scanning Near-field Optical Microscope tip, i. e. taking into account contributions of magnetic and electric dipoles, we propose and analyze a new type of 3D optical nanotrap found for…

Optics · Physics 2009-11-11 V. V. Klimov , S. K. Sekatskii , G. Dietler

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

As dipolar gases become more readily accessible in experiment there is a need to develop a comprehensive theoretical framework of the few-body physics of these systems. Here, we extend the coupled-pair approach developed for the unitary…

Quantum Gases · Physics 2016-02-17 C. J. Bradly , H. M. Quiney , A. M. Martin

Trapping cold neutral atoms in close proximity to nanostructures has raised a large interest in recent years, pushing the frontiers of cavity-QED and boosting the emergence of the waveguide-QED field of research. The design of efficient…

Quantum Physics · Physics 2022-02-07 Jérémy Berroir , Adrien Bouscal , Alban Urvoy , Tridib Ray , Julien Laurat

We report the realization of a BEC of metastable helium-4 atoms (4He*) in an all optical potential. Up to 10^5 spin polarized 4He* atoms are condensed in an optical dipole trap formed from a single, focused, vertically propagating far…

Quantum Gases · Physics 2010-05-31 G. B. Partridge , J. -C. Jaskula , M. Bonneau , D. Boiron , C. I. Westbrook

Unusually large spontaneous and piezoelectric fields in the III-V nitrides have led to the making of an entirely new class of two-dimensional electron gas. Fluctuation from a perfectly periodic binary structure in highly polar semiconductor…

Materials Science · Physics 2009-10-31 Debdeep Jena , Arthur. C. Gossard , Umesh. K. Mishra
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