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We study the structures of the unstable Be isotopes with the theoretical method of antisymmetrized molecular dynamics. It is found that various structures of the excited states appear in the low-energy region of neutron-rich Be nuclei.…

核理论 · 物理学 2009-11-07 Y. Kanada-En'yo , H. Horiuchi , A. Dote

In this thesis, conducted in the field of few--body nuclear physics,I studied low energy inelastic reactions of electro--weak probes on light nuclei. Such interactions hold experimental and theoretical attention in recent years because of…

核理论 · 物理学 2008-07-02 Doron Gazit

Raman laser pulses are used to induce coherent tunnelling between neighbouring sites of a vertical 1D optical lattice. Such tunneling occurs when the detuning of a probe laser from the atomic transition frequency matches multiples of the…

Nuclear reactions induced by a strong zeptosecond laser pulse are studied theoretically in the quasiadiabatic regime where the photon absorption rate is comparable to the nuclear equilibration rate. We find that multiple photon absorption…

核理论 · 物理学 2014-05-28 A. Pálffy , H. A. Weidenmüller

Optical potentials have been a versatile tool for the study of atomic motions and many-body interactions in cold atoms. Recently, optical subwavelength single barriers were proposed to enhance the atomic interaction energy scale, which is…

量子物理 · 物理学 2020-02-12 Wenchao Ge , M. Suhail Zubairy

Some optical experiments provide the easiest way to test quantum mechanical predictions. Such a situation applies to a laser beam traversing a dielectric structure. The dielectric structure mir- roring quantum mechanical potentials. The…

光学 · 物理学 2015-05-27 Stefano De Leo , Pietro Rotelli

The LIT method has allowed ab initio calculations of electroweak cross sections in light nuclear systems. This review presents a description of the method from both a general and a more technical point of view, as well as a summary of the…

核理论 · 物理学 2008-01-22 V. D. Efros , W. Leidemann , G. Orlandini , N. Barnea

Atoms in a sub-wavelength lattices have remarkable optical properties that have become of high scientific and technological significance. Here, we show how the coupling of light to more than a single atomic array can expand these…

量子物理 · 物理学 2023-03-31 Simon Panyella Pedersen , Lida Zhang , Thomas Pohl

The S-matrix element and the cross section of the laser-assisted nuclear photoeffect are recalculated in a gauge invariant manner taking into account the effect of the Coulomb field of the remainder nucleus. The \gamma-photon energy…

核理论 · 物理学 2013-03-07 Péter Kálmán , Dániel P. Kis , Tamás Keszthelyi

Atomic electrons are sensitive to the properties of the nucleus they are bound to, such as nuclear mass, charge distribution, spin, magnetization distribution, or even excited level scheme. These nuclear parameters are reflected in the…

原子物理 · 物理学 2011-06-17 Adriana Pálffy

We show how lasers may create fields which couple to neutral atoms in the same way that the electromagnetic fields couple to charged particles. These fields are needed for using neutral atoms as an analog quantum computer for simulating the…

其他凝聚态物理 · 物理学 2009-11-10 Erich J. Mueller

We propose and analyze a nanomechanical architecture where light is used to perform linear quantum operations on a set of many vibrational modes. Suitable amplitude modulation of a single laser beam is shown to generate squeezing,…

介观与纳米尺度物理 · 物理学 2012-12-17 Michael Schmidt , Max Ludwig , Florian Marquardt

Raman lasers are used as a spectroscopic probe of the state of atoms confined in a shallow 1D vertical lattice. For long enough laser pulses, resolved transitions in the bottom band of the lattice between Wannier Stark states corresponding…

We report experimental observations of interference between three-photon and one-photon excitations, and phase control of light attenuation/transmission in a four-level system. Either constructive interference or destructive interference…

量子物理 · 物理学 2007-05-23 Hoonsoo Kang , Gessler Hernandez , Jiepeng Zhang , Yifu Zhu

Laser cooling of nuclear beams in storage rings is discussed. The main properties of nuclei with isomeric levels in the range E<50 keV are presented.

经典物理 · 物理学 2009-09-29 E. G. Bessonov , E. V. Tkalya

Coupling light to ensembles of strongly interacting particles has emerged as a promising route toward achieving few photon nonlinearities. One specific way to implement this kind of nonlinearity is to interface light with highly excited…

量子物理 · 物理学 2017-10-25 Callum R. Murray , Thomas Pohl

Models to account for the observed experimental results for low-energy nuclear reactions in palladium-deuteride systems are presented along with calculated results. The crucial idea is a mechanism of improved probability for the needed…

其他凝聚态物理 · 物理学 2011-06-15 K. P. Sinha , A. Meulenberg

Optical nuclear electric resonance (ONER), a recently proposed protocol for nuclear spin manipulation in atomic systems via short laser pulses with MHz repetition rate, exploits the coupling between the nuclear quadrupole moment of a…

量子物理 · 物理学 2025-01-30 Johannes K. Krondorfer , Matthias Diez , Andreas W. Hauser

The nonlinear absorption of laser radiation of relativistic intensities in the underdense plasma by a mechanism of stimulated bremsstrahlung of electrons on the ions/nuclei is investigated in the low frequency approximation. Coefficient of…

原子物理 · 物理学 2013-05-03 H. K. Avetissian , A. G. Ghazaryan , G. F. Mkrtchian

We investigate the quantum interference induced shifts between energetically close states in highly charged ions, with the energy structure being observed by laser spectroscopy. In this work, we focus on hyperfine states of lithiumlike…