High-Accuracy Determination of Paul-Trap Stability Parameters for Electric-Quadrupole-Shift PredictionThe motion of an ion in a radiofrequency (rf) Paul trap is described by the Mathieu equation and the associated stability parameters that are proportional to the rf and dc electric field gradients.…T. Lindvall, K. J. Hanhijärvi, T. Fordell et al.·Sep 6, 2022SaveLearn
Two-XUV-photon double ionization of Neon studied at the Extreme Light Infrastructure (ELI-ALPS)Two XUV-photon double ionization of Ne, induced by an intense few-pulse attosecond train with a ~ 4 fs envelope duration is investigated experimentally and theoretically. The experiment is performed…I. Orfanos, E. Skantzakis, A. Nayak et al.·Sep 5, 2022SaveLearn
Radiative corrections to the level width in the presence of magnetic fieldWe study the influence of constant magnetic field combined with a field induced by the external thermal environment on the atomic decay rates. The importance of radiative corrections, including…D. Solovyev, T. Zalialiutdinov·Sep 2, 2022SaveLearn
Cold-atom shaping with MEMS scanning mirrorsWe demonstrate the integration of micro-electro-mechanical-systems (MEMS) scanning mirrors as active elements for the local optical pumping of ultra-cold atoms in a magneto-optical trap. A pair of…Alan Bregazzi, Paul Janin, Sean Dyer et al.·Sep 2, 2022SaveLearn
Optical interpretation of linear-optics superradiance and subradianceSuper- and subradiance are usually described in the framework of Dicke collective states, which is an ``atomic picture'' in which the electromagnetic field only provides an effective interaction…S. Asselie, A. Cipris, W. Guerin·Sep 2, 2022SaveLearn
Two-heavy impurities immersed in squeezed light-boson systemsWe investigate the spectrum and structure of two-heavy bosonic impurities immersed in a light-boson system in D dimensions by means of the Born-Oppenheimer approximation. The fractional dimension…R. M. Francisco, D. S. Rosa, T. Frederico·Sep 1, 2022SaveLearn
D-dimensional three-body bound-state problem with zero range interactionsWe solved analytically the three-body mass-imbalanced problem embedded in D dimensions for zero-range resonantly interacting particles. We derived the negative energy eigenstates of the three-body…D. S. Rosa, T. Frederico, G Krein et al.·Sep 1, 2022SaveLearn
Model-QED operator for superheavy elementsThe model-QED-operator approach [Phys. Rev. A 88, 012513 (2013)] to calculations of the radiative corrections to binding and transition energies in atomic systems is extended to the range of nuclear…A. V. Malyshev, D. A. Glazov, V. M. Shabaev et al.·Sep 1, 2022SaveLearn
Spin-dependent metastable He (23S) atom scattering from ferromagnetic surfaces: Potential application to polarized-gas productionA spin-polarized triplet metastable helium (He*) beam has been used as a probe for surface magnetism, but changes in the spin state during scattering from a surface remain unclear. In the present…Haruka Maruyama, Mitsunori Kurahashi, Kanta Asakawa et al.·Sep 1, 2022SaveLearn
Constructing Electron-Atom Elastic Scattering Potentials using Relativistic Coupled-Cluster Theory: A few case studiesIn view of immense interest to understand impact of an electron on atoms in the low-energy scattering phenomena observed in laboratories and astrophysical processes, we prescribe here an approach to…B. K. Sahoo·Sep 1, 2022SaveLearn
Features of Molecular Structure Beneficial for Optical PumpingFast and efficient state preparation of molecules can be accomplished by optical pumping. Molecular structure that most obviously facilitates cycling involves a strong electronic transition, with…James B. Dragan, Ivan O. Antonov, Brian C. Odom·Aug 30, 2022SaveLearn
Low-energy electron-induced ion-pair dissociation to "Trilobite-resembling" long-range heavy Rydberg systemWe have studied electron-induced ion-pair dissociation dynamics of CO using the state-of-art velocity map imaging technique in combination with a time-of-flight-based two-field mass spectrometer.…Narayan Kundu, Vikrant Kumar, Dhananjay Nandi·Aug 30, 2022SaveLearn
P,T-odd energy shifts of the 173YbOHThe energy shift in molecular spectra due to interaction of nuclear magnetic quadrupole moment (M) with electrons is equal to δ EM = MWM P M, where WM is a constant determined by the…Igor Kurchavov, Alexander Petrov·Aug 29, 2022SaveLearn
Optical Trapping of a Polyatomic Molecule in an -Type Parity Doublet StateWe report optical trapping of a polyatomic molecule, calcium monohydroxide (CaOH). CaOH molecules from a magneto-optical trap are sub-Doppler laser cooled to 20(3)~μK in free space and…Christian Hallas, Nathaniel B. Vilas, Loïc Anderegg et al.·Aug 29, 2022SaveLearn
Isotope Shifts in Cadmium as a Sensitive Probe for Physics Beyond the Standard ModelIsotope shifts (ISs) in atomic energy levels are sensitive probes of nuclear structure and new physics beyond the Standard Model. We present an analysis of the ISs of the cadmium atom (Cd I) and…B. Ohayon, S. Hofsäss, J. E. Padilla-Castillo et al.·Aug 29, 2022SaveLearn
Coupling of distant parts of pyrrole molecule through virtual and resonant statesWe experimentally show that the N-H bond cleavage in pyrrole molecule following resonant electron attachment is allowed and controlled by the motion of the atoms which are not dissociating, namely of…Ragesh Kumar T P, P. Nag, M. Ranković et al.·Aug 29, 2022SaveLearn
QED theory of the nuclear recoil with finite sizeWe investigate the modification of the transverse electromagnetic interaction between two point-like particles when one particle acquires a finite size. It is shown that the correct treatment of such…Krzysztof Pachucki, Vladimir A. Yerokhin·Aug 29, 2022SaveLearn
Spin-orbit interaction in the HD+ ionWe report on progress in calculation of the spin-orbit interaction for the HD+ molecular ion. This interaction is currently the largest source of theoretical uncertainty in determination of the…Vladimir I. Korobov, Jean-Philippe Karr·Aug 28, 2022SaveLearn
Hydrogen atom confined inside an inverted-Gaussian potentialIn this work, we consider the hydrogen atom confined inside a penetrable spherical potential. The confining potential is described by an inverted-Gaussian function of depth ω0, width σ…H. Olivares-Pilón, A. M. Escobar-Ruíz, M. A. Quiroz-Juárez et al.·Aug 28, 2022SaveLearn
Dynamic polarizability of the 85Rb 5D3/2-state in 1064 nm lightWe report a measurement of the dynamic (ac) scalar polarizability of the 5D3/2 state in 85Rb atoms at a laser wavelength of 1064~nm. Contrary to a recent measurement in Phys. Rev.…Alisher Duspayev, Ryan Cardman, Georg Raithel·Aug 26, 2022SaveLearn
Measurement of Rb-Rb van der Waals coefficient via Quantum Diffractive UniversalityCollisions between trapped atoms or trapped molecules with room temperature particles in the surrounding vacuum induce loss of the trapped population at a rate proportional to the density of the…Riley A. Stewart, Pinrui Shen, James L. Booth et al.·Aug 26, 2022SaveLearn
Stimulated Laser Cooling Using MicrofabricationWe have achieved stimulated laser cooling of thermal rubidium atomic beams on a silicon chip. Following pre-collimation via a silicon microchannel array, we perform beam brightening via a…Chao Li, Xiao Chai, Linzhao Zhuo et al.·Aug 26, 2022SaveLearn
Generalized relativistic small-core pseudopotentials accounting for quantum electrodynamic effects: construction and pilot applicationsA simple procedure to incorporate one-loop quantum electrodynamic (QED) corrections into the generalized (Gatchina) nonlocal shape-consistent relativistic pseudopotential model is described. The…Andréi Zaitsevskii, Nikolai S. Mosyagin, Alexander V. Oleynichenko et al.·Aug 25, 2022SaveLearn
Bichromatic Imaging of Single Molecules in an Optical Tweezer ArrayWe report on a novel bichromatic fluorescent imaging scheme for background-free detection of single CaF molecules trapped in an optical tweezer array. By collecting fluorescence on one optical…Connor M. Holland, Yukai Lu, Lawrence W. Cheuk·Aug 25, 2022SaveLearn
Ionization Induced by the Ponderomotive Force in Intense and High-Frequency Laser FieldsAtomic stabilization is a universal phenomenon that occurs when atoms interact with intense and high-frequency laser fields. In this work, we systematically study the influence of the ponderomotive…Mingyu Zhu, Yuxiang Liu, Chunli Wei et al.·Aug 25, 2022SaveLearn