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Related papers: RF dressed atoms beyond the linear Zeeman effect

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This paper considers the dynamic response of a single degree of freedom system with nonlinear stiffness and nonlinear damping that is subjected to both resonant direct excitation and resonant parametric excitation, with a general phase…

Mesoscale and Nanoscale Physics · Physics 2020-11-03 Donghao Li , Steven W. Shaw

We theoretically and experimentally examine the effects of anharmonic terms in the trapping potential for linear chains of trapped ions. We concentrate on two different effects that become significant at different levels of anharmonicity.…

Quantum Physics · Physics 2015-05-28 J. P. Home , D. Hanneke , J. D. Jost , D. Leibfried , D. J. Wineland

The effects of the Zeeman term on the de Haas-van Alphen oscillation is studied in the magnetic breakdown system. We find that the amplitude of the oscillation with the frequencies of $f_{\beta} + f_{\alpha}$ and $f_{\beta} + 2f_{\alpha}$…

Condensed Matter · Physics 2009-10-31 Keita Kishigi , Yasumasa Hasegawa , Mitake Miyazaki

We investigate higher-order plasmons in graphene nanoribbons, and present how electronic edge states and wavefunction fine structure influence the graphene plasmons. Based on nearest-neighbor tight-binding calculations, we find that a…

Mesoscale and Nanoscale Physics · Physics 2019-01-09 Kåre Obel Wedel , N. Asger Mortensen , Kristian S. Thygesen , Martijn Wubs

We study the effect of the electromagnetic environment on the resonance frequency of plasmonic excitations in dimers of interacting metallic nanoparticles. The coupling between plasmons and vacuum electromagnetic fluctuations induces a…

Mesoscale and Nanoscale Physics · Physics 2017-10-11 Charles A. Downing , Eros Mariani , Guillaume Weick

We have experimentally observed re-equilibration of a magnetically trapped cloud of metastable neon atoms after it was put in a non-equilibrium state. Using numerical simulations we show that anharmonic mixing, equilibration due to the…

Capacitively coupled radio-frequency (CCRF) CF_4 plasmas have been found to exhibit a self-organized striated structure at operating conditions, where the plasma is strongly electronegative and the ion-ion plasma in the bulk region (largely…

Plasma Physics · Physics 2017-08-02 Yong-Xin Liu , Ihor Korolov , Edmund Schüngel , You-Nian Wang , Zoltán Donkó , Julian Schulze

Imidogen (NH) radicals are magnetically trapped and their Zeeman relaxation and energy transport collision cross sections with helium are measured. Continuous buffer-gas loading of the trap is direct from a room-temperature molecular beam.…

Atomic Physics · Physics 2007-10-30 Wesley C. Campbell , Edem Tsikata , Laurens van Buuren , Hsin-I Lu , John M. Doyle

We present a theory of nuclear magnetic resonance (NMR) shielding tensors for electronic states with arbitrary degeneracy. The shieldings are here expressed in terms of generalized Zeeman ($g^{(k)}$) and hyperfine ($A^{(k)}$) tensors, of…

Chemical Physics · Physics 2012-11-28 Willem Van den Heuvel , Alessandro Soncini

We develop a theory for non-degenerate parametric resonance in a tunable superconducting cavity. We focus on nonlinear effects that are caused by nonlinear Josephson elements connected to the cavity. We analyze parametric amplification in a…

Quantum Physics · Physics 2017-08-31 Waltraut Wustmann , Vitaly Shumeiko

We investigate experimentally and theoretically the Faraday effect in an atomic medium in the hyperfine Paschen-Back regime, where the Zeeman interaction is larger than the hyperfine splitting. We use a small permanent magnet and a…

Atomic Physics · Physics 2014-03-27 Mark A Zentile , Rebecca Andrews , Lee Weller , Svenja Knappe , Charles S Adams , Ifan G Hughes

Atom density profile arising in the atomic beam after passing through the one or two microfabricated structures (MS) is considered. Two limiting cases the beam with large and small angular divergence are considered. An equivalence of the…

Atomic Physics · Physics 2007-05-23 B. Dubetsky , P. R. Berman

We investigate the effect of degenerate atomic states on the exciton delocalization of dipole-dipole interacting Rydberg assemblies. Using a frozen gas and regular one-, two-, and three-dimensional lattice arrangements as examples, we see…

Atomic Physics · Physics 2021-07-21 Ghassan Abumwis , Christopher W. Wächtler , Matthew T. Eiles , Alexander Eisfeld

Precision measurements and quantum information processing with cold atoms may benefit from trapping atoms with specially engineered, "magic" optical fields. At the magic trapping conditions, the relevant atomic properties remain immune to…

Quantum Gases · Physics 2015-05-14 Andrei Derevianko

We study squeezing properties of the fluorescence radiation emitted by a driven $\Lambda$-type atom in which the metastable lower energy levels are coupled by an additional field. We find that the relative phase of the applied fields can…

Quantum Physics · Physics 2015-06-22 R. Arun

In electron storage rings, it is possible to increase the bunch length by applying phase modulation to the radio frequency accelerating field by choosing appropriate parameters for the modulation. Such a bunch lengthening effect improves…

We experimentally investigated the characteristics of two-photon transmission resonances in Rb vapor cells with different amount of buffer gas under the conditions of steady-state coherent population trapping (CPT) and pulsed Raman-Ramsey…

Atomic Physics · Physics 2016-03-11 Elena Kuchina , Eugeniy E. Mikhailov , Irina Novikova

The fidelity of the gate operation and the coherence time of neutral atoms trapped in an optical dipole trap are figures of merit for the applications. The motion of the trapped atom is one of the key factors which influence the gate…

Quantum Physics · Physics 2022-08-31 Pengfei Yang , Gang Li , Zhihui Wang , Pengfei Zhang , Tiancai Zhang

We analyze the full nonlinear dynamics of the four-wave mixing between an incident beam of fermions and a fermionic density grating. We find that when the number of atoms in the beam is comparable to the number of atoms forming the grating,…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 T. Miyakawa , H. Christ , C. P. Search , P. Meystre

We studied theoretically a coherent population trapping resonance formation in cylindrical cell without buffer gas irradiated by a narrow laser beam. We take into account non-zero probabilities of elastic ("specular") and inelastic…