Feshbach resonances and molecule formation in ultracold mixtures of Rb and Yb(3P) atomsWe have investigated magnetically tunable Feshbach resonances in ultracold collisions of Rb with Yb in its metastable 3P2 and 3P0 states, using coupled-channel scattering and bound-state…Bijit Mukherjee, Matthew D. Frye, Jeremy M. Hutson·Oct 29, 2021SaveLearn
Twisted electron impact single ionization coincidence cross-sections for noble gas atomsWe present the angular profiles of the triple differential cross-section (TDCS) for the (e,2e) process on the noble gas atoms, namely He (1s), Ne (2s and 2p), and Ar (3p) for the plane wave and the…Nikita Dhankhar, Soham Banerjee, Rakesh Choubisa·Oct 29, 2021SaveLearn
Observation of Chemical Reactions between a Trapped Ion and Ultracold Feshbach DimersWe measure chemical reactions between a single trapped 174Yb+ ion immersed in an ultracold bath of 6Li atoms containing trace amounts of Li2 dimers. This produces LiYb+ molecular…H. Hirzler, R. S. Lous, E. Trimby et al.·Oct 27, 2021SaveLearn
Relativistic time-dependent configuration-interaction singlesIn this work, a derivation and implementation of the relativistic time-dependent configuration interaction singles (RTDCIS) method is presented. Various observables for krypton and xenon atoms…Felipe Zapata, Jimmy Vinbladh, Anton Ljungdahl et al.·Oct 26, 2021SaveLearn
Accurate ab initio calculations of RaF electronic structure indicate the need for more laser-spectroscopical measurementsRecently a breakthrough has been achieved in laser-spectroscopic studies of short-lived radioactive compounds with the first measurements of the radium monofluoride molecule (RaF) UV/vis spectra. We…Andrei Zaitsevskii, Leonid V. Skripnikov, Nikolai S. Mosyagin et al.·Oct 26, 2021SaveLearn
Observation of non-linearity of generalized King plot in the search for new bosonWe measure isotope shifts for neutral Yb isotopes on an ultranarrow optical clock transition 1S0-3P0 with an accuracy of a few Hz. The part-per-billion precise measurement…Koki Ono, Yugo Saito, Taiki Ishiyama et al.·Oct 26, 2021SaveLearn
Testing the Universality of Free Fall using correlated 39K -- 87Rb interferometersWe demonstrate how simultaneously-operated 39K -- 87Rb interferometers exhibiting a high level of correlation can be used to make competitive tests of the university of free fall. This work…Brynle Barrett, Gabriel Condon, Laure Chichet et al.·Oct 25, 2021SaveLearn
Precision determination of the ground-state hyperfine splitting of trapped 113Cd+ ionsWe measured the ground-state hyperfine splitting of trapped 113Cd+ ions to be 15199862855.02799(27) Hz with a fractional uncertainty of 1.8×10-14. The ions were trapped and…S. N. Miao, J. W. Zhang, H. R. Qin et al.·Oct 24, 2021SaveLearn
Multiple-ionization energy difference of 163Ho and 163Dy atomsThe multiple-ionization energy difference of 163Ho and 163Dy atoms is evaluated for the ionization degree q = 30, 48, 56. The calculations are performed by means of the large-scale relativistic…I. M. Savelyev, M. Y. Kaygorodov, Y. S. Kozhedub et al.·Oct 22, 2021SaveLearn
Ultralight scalar dark matter detection with ZAIGAZAIGA is a proposed underground long-baseline atom interferometer (AI) facility, aiming for experimental research on gravitation and related problems. In this paper, we study the possibility of…Wei Zhao, Xitong Mei, Dongfeng Gao et al.·Oct 22, 2021SaveLearn
Single atom trapping in a metasurface lens optical tweezerOptical metasurfaces of subwavelength pillars have provided new capabilities for the versatile definition of the amplitude, phase, and polarization of light. In this work, we demonstrate that an…Ting-Wei Hsu, Wenqi Zhu, Tobias Thiele et al.·Oct 22, 2021SaveLearn
High-resolution 'magic'-field spectroscopy on trapped polyatomic moleculesRapid progress in cooling and trapping of molecules has enabled first experiments on high resolution spectroscopy of trapped diatomic molecules, promising unprecedented precision. Extending this work…Alexander Prehn, Martin Ibrügger, Gerhard Rempe et al.·Oct 21, 2021SaveLearn
Intermediate-range Casimir-Polder interaction probed by high-order slow atom diffractionAt nanometer separation, the dominant interaction between an atom and a material surface is the fluctuation-induced Casimir-Polder potential. We demonstrate that slow atoms crossing a silicon nitride…C Garcion, N Fabre, H Bricha et al.·Oct 21, 2021SaveLearn
Engineering atomic polarization with microwave-assisted optical pumpingPolarized atomic ensembles play a crucial role in precision measurements. We demonstrate a novel method of creating atomic polarization in an alkali vapor in a continuous-wave regime. The method…A. Tretiakov, C. A. Potts, Y. Y. Lu et al.·Oct 20, 2021SaveLearn
Ghost-imaging-enhanced non-invasive spectral characterization of stochastic x-ray free-electron-laser pulsesHigh-intensity ultrashort X-ray free-electron laser (XFEL) pulses are revolutionizing the study of fundamental nonlinear x-ray matter interactions and coupled electronic and nuclear dynamics. To…Kai Li, Joakim Laksman, Tommaso Mazza et al.·Oct 19, 2021SaveLearn
Plasma environment effects on K lines of astrophysical interest. V. Universal formulae for ionization potential and K-threshold shiftsAims. We calculate the plasma environment effects on the ionization potentials (IPs) and K-thresholds used in the modeling of K lines for all the ions belonging to the isonuclear sequences of…P. Palmeri, J. Deprince, M. A. Bautista et al.·Oct 19, 2021SaveLearn
Ion and Electron Momentum Distributions from Single and Double Ionization of Helium Induced by Compton ScatteringWe present the momentum distributions of the nucleus and of the electrons from double ionization of the helium atom by Compton scattering of photons with h=40 keV. We find that the doubly…M. Kircher, F. Trinter, S. Grundmann et al.·Oct 19, 2021SaveLearn
Development of a Cesium Fountain Clock at HUST: Preliminary ResultsA cesium atomic fountain clock is under development at Huazhong University of Science and Technology (HUST) in China. In this paper, we describe the construction of the entire fountain clock system…Hui Li, Yuanbo Du, Hongli Liu et al.·Oct 19, 2021SaveLearn
Influence of coherent vibronic excitation on the high harmonics generation of diatomic moleculesThe generation of high harmonics (HHG) in atomic systems by the highly non-linear response to an intense laser field is a prominent pathway to the synthesis of ever shorter laser pulses at…Mohammad Monfared, Elnaz Irani, Christoph Lemell et al.·Oct 18, 2021SaveLearn
Decoherence effects in quantum nondemolition measurement induced entanglement between Bose-Einstein condensatesWe study the robustness of quantum nondemolition (QND) measurement-induced entanglement between Bose-Einstein Condensates (BECs). We consider an experimental scheme where two BECs are placed in the…Shuai Gao, Ebubechukwu O. Ilo-Okeke, Yuping Mao et al.·Oct 18, 2021SaveLearn
Effective two-level approximation of a multi-level system driven by coherent and incoherent fieldsThe numerical simulation of multiple scattering in dense ensembles is the mostly adopted solution to predict their complex optical response. While the scalar and vectorial light mediated interactions…Romain Veyron, Vincent Mancois, Jean-Baptiste Gerent et al.·Oct 17, 2021SaveLearn
Magnetic-field effect in high-order above-threshold ionizationWe experimentally and theoretically investigate the influence of the magnetic component of an electromagnetic field on high-order above-threshold ionization of xenon atoms driven by ultrashort…Kang Lin, Simon Brennecke, Hongcheng Ni et al.·Oct 16, 2021SaveLearn
Fock-space perturbed relativistic coupled-cluster theory for electric dipole polarizability of one-valence atomic systems: Application to Al and InWe have developed a Fock-space relativistic coupled-cluster theory based method for the calculation of electric dipole polarizability of one-valence atoms and ions. We employ this method to compute…Ravi Kumar, D. Angom, B. K. Mani·Oct 16, 2021SaveLearn
Isotope-Selective Laser Ablation Ion-Trap Loading of 137Ba+ using a BaCl2 TargetThe 133Ba+ ion is a promising candidate as a high-fidelity qubit, and the 137Ba+ isotope is promising as a high-fidelity qudit (d>2). Barium metal is very reactive,…Brendan M. White, Pei Jiang Low, Yvette de Sereville et al.·Oct 16, 2021SaveLearn
Resonance-enhanced multiphoton ionization in the x-ray regimeHere, we report on the nonlinear ionization of argon atoms in the short wavelength regime using ultraintense x rays from the European XFEL. After sequential multiphoton ionization, high charge states…Aaron C. LaForge, Sang-Kil Son, Debadarshini Mishra et al.·Oct 15, 2021SaveLearn