Molecular orbitals of an elastic artificial benzeneBenzene, a hexagonal molecule with formula C6H6, is one of the most important aromatic hydrocarbons. Its structure arises from the sp2 hybridization from which three in-plane…A. M. Martínez-Argüello, M. P. Toledano-Marino, A. E. Terán-Juárez et al.·Aug 26, 2021SaveLearn
A simple imaging solution for chip-scale laser coolingWe demonstrate a simple stacked scheme that enables absorption imaging through a hole in the surface of a grating magneto-optical trap (GMOT) chip, placed immediately below a micro-fabricated vacuum…A. Bregazzi, P. F. Griffin, A. S. Arnold et al.·Aug 26, 2021SaveLearn
Towards CP Violation Studies on Superheavy Molecules: Theoretical and Experimental PerspectiveMolecules containing superheavy atoms can be artificially created to serve as sensitive probes for study of symmetry-violating phenomena. Here, we provide a detailed theoretical study for diatomic…R. Mitra, V. S. Prasannaa, R. F. Garcia Ruiz et al.·Aug 26, 2021SaveLearn
Gray molasses cooling of 39K atoms in optical tweezersRobust cooling and nondestructive imaging are prerequisites for many emerging applications of neutral atoms trapped in optical tweezers, such as their use in quantum information science and analog…Jackson Ang'ong'a, Chenxi Huang, Jacob P. Covey et al.·Aug 26, 2021SaveLearn
Rovibrational structure of the Ytterbium monohydroxide molecule and the P,T-violation searchesThe spectrum of triatomic molecules with close rovibrational opposite parity levels is sensitive to the P,T-odd effects. This makes them a convenient platform for the…Anna Zakharova, Igor Kurchavov, Alexander Petrov·Aug 25, 2021SaveLearn
Radiative recombination of twisted electrons with hydrogen-like heavy ions: Linear polarization of emitted photonsWe present a theoretical investigation of the radiative recombination of twisted Bessel electrons with initially hydrogen-like (finally helium-like) heavy ions. In our study, we focus especially on…Anna V. Maiorova, Anton A. Peshkov, Andrey Surzhykov·Aug 24, 2021SaveLearn
Non-adiabatic decay of Rydberg-atom-ion moleculesThe decay of Rydberg-atom-ion molecules (RAIMs) due to non-adiabatic couplings between electronic potential energy surfaces is investigated. We employ the Born-Huang representation and perform…Alisher Duspayev, Georg Raithel·Aug 24, 2021SaveLearn
Ultrafast preparation and strong-field ionization of an atomic Bell-like stateMolecules are many body systems with a substantial amount of entanglement between their electrons. Is there a way to break the molecular bond of a diatomic molecule and obtain two atoms in their…S. Eckart, D. Trabert, J. Rist et al.·Aug 23, 2021SaveLearn
Indication of strong interatomic Coulombic decay in slow He2+-Ne2 collisionsElectron removal in collisions of alpha particles with neon dimers is studied using an independent-atom-independent-electron model based on the semiclassical approximation of heavy-particle collision…Tom Kirchner·Aug 23, 2021SaveLearn
Resonance Raman optical cycling for high-fidelity fluorescence detection of moleculesWe propose and demonstrate a novel technique that combines Raman scattering and optical cycling in molecules with diagonal Franck-Condon factors. This resonance Raman optical cycling manipulates…J. C. Shaw, J. C. Schnaubelt, D. J. McCarron·Aug 22, 2021SaveLearn
Relativistic Coupled-cluster Theory Analysis of Properties of Co-like IonsIonization potentials, excitation energies, transition properties, and hyperfine structure constants of the low-lying 3p6 3d9 \ 2D5/2, 3p6 3d9 \ 2D3/2, 3p5 3d10 \ 2P3/2…Dillip K. Nandy, B. K. Sahoo·Aug 22, 2021SaveLearn
Renormalization group analysis of near-field induced dephasing of optical spin waves in an atomic mediumWhile typical theories of atom-light interactions treat the atomic medium as being smooth, it is well-known that microscopic optical effects driven by atomic granularity, dipole-dipole interactions,…Stefano Grava, Yizun He, Saijun Wu et al.·Aug 20, 2021SaveLearn
A large octupole magnetic trap for research with atomic hydrogenWe describe the design and performance of a large magnetic trap for storing and cooling of atomic hydrogen (H). The trap operates in the vacuum space of a dilution refrigerator at a temperature of…J. Ahokas, A. Semakin, J. Järvinen et al.·Aug 20, 2021SaveLearn
Deep learning for retrieval of the internuclear distance in a molecule from interference patterns in photoelectron momentum distributionsWe use a convolutional neural network to retrieve the internuclear distance in the two-dimensional H2+ molecule ionized by a strong few-cycle laser pulse based on the photoelectron momentum…N. I. Shvetsov-Shilovski, M. Lein·Aug 18, 2021SaveLearn
Atomic-motion-induced spectroscopic effects nonlinear in atomic density in a gasThe interatomic dipole-dipole interaction is commonly thought to be the main physical reason for spectroscopic effects nonlinear in atomic density. However, we have found that the free motion of…V. I. Yudin, A. V. Taichenachev, M. Yu. Basalaev et al.·Aug 17, 2021SaveLearn
High-purity solid parahydrogenAlkali atoms trapped in solid hydrogen matrices have demonstrated ultralong electron spin coherence times, and are promising as quantum sensors. Their spin coherence is limited by magnetic noise from…Ashok Bhandari, Alexandar P. Rollings, Levi Ratto et al.·Aug 16, 2021SaveLearn
Carrier-Envelope-Phase Dependent Strong-Field ExcitationWe present a joint experimental-theoretical study on the effect of the carrier-envelope phase (CEP) of a few-cycle pulse on the atomic excitation process. We focus on the excitation rates of argon as…D. Chetty, R. D. Glover, X. M. Tong et al.·Aug 15, 2021SaveLearn
Macroscopic production of spin-polarized hydrogen atoms from the IR-excitation and photodissociation of molecular beamsWe describe methods for the production of spin-polarized H and D atoms from the IR-excitation and photodissociation of molecular beams of HBr, HI, and NH3 isotopes, including optical…C. S. Kannis, J. Suarez, T. P. Rakitzis·Aug 13, 2021SaveLearn
Ultracold 88Sr2 molecules in the absolute ground stateWe report efficient all-optical creation of an ultracold gas of alkaline-earth-metal dimers, 88Sr2, in their absolute ground state. Starting with weakly bound singlet molecules formed by…K. H. Leung, E. Tiberi, B. Iritani et al.·Aug 12, 2021SaveLearn
B-Spline basis Hartree-Fock method for arbitrary central potentials: atoms, clusters and electron gasAn implementation of the Hartree-Fock (HF) method capable of robust convergence for well-behaved arbitrary central potentials is presented. The Hartree-Fock equations are converted to a generalized…D. T. Waide, D. G. Green, G. F. Gribakin·Aug 12, 2021SaveLearn
High stability cryogenic system for quantum computing with compact packaged ion trapsCryogenic environments benefit ion trapping experiments by offering lower motional heating rates, collision energies, and an ultra-high vacuum (UHV) environment for maintaining long ion chains for…Robert F. Spivey, Ismail V. Inlek, Zhubing Jia et al.·Aug 11, 2021SaveLearn
Polarization control of attosecond pulses using bi-chromatic elliptically polarized laserWe study the higher-harmonic generation (HHG) using elliptically polarized two-color driving fields. The HHG via bi-chromatic counter-rotating laser fields is a promising source of circularly…Rambabu Rajpoot, Amol R. Holkundkar, Jayendra N. Bandyopadhyay·Aug 11, 2021SaveLearn
High harmonic generation in fullerene moleculesUsing dynamical Hartree-Fock mean-field theory, we study the high-harmonic generation (HHG) in the fullerene molecules C60 and C70 under strong pump wave driving. We consider a strong-field…H. K. Avetissian, A. G. Ghazaryan, G. F. Mkrtchian·Aug 10, 2021SaveLearn
Fitting ultracold resonances without a fitWe present a numerical procedure allowing one to extract Feshbach resonance parameters from numerical calculations without relying on approximate fitting procedures. Our approach is based on a simple…Andrea Simoni·Aug 10, 2021SaveLearn
Measurement of the temperature dependence of dwell time and spin relaxation probability of Rb atoms on paraffin surfaces using a beam-scattering methodThe scattering of Rb atoms on an anti-relaxation coating was studied. No significant change in the spin relaxation probability of Rb atoms by single scattering from a tetracontane surface was…Kanta Asakawa, Yutaro Tanaka, Kenta Uemura et al.·Aug 10, 2021SaveLearn