Continuous radio frequency electric-field detection through adjacent Rydberg resonance tuningWe demonstrate the use of multiple atomic-level Rydberg-atom schemes for continuous frequency detection of radio frequency (RF) fields. Resonant detection of RF fields by electromagnetically-induced…Matthew T. Simons, Alexandra B. Artusio-Glimpse, Christopher L. Holloway et al.·May 21, 2021SaveLearn
Optimal Atomic Quantum Sensing using EIT ReadoutQuantum sensors offer the capability to reach unprecedented precision by operating at the standard quantum limit (SQL) or beyond by using quantum entanglement. But an emerging class of quantum…David H. Meyer, Chistopher O'Brien, Donald P. Fahey et al.·May 21, 2021SaveLearn
Measurement of the probe Stark shift of the 87Sr optical lattice clock using the frequency modulation spectroscopyWith the uncertainty of the optical clocks improving to the order of 10-18, the probe light used to detect the clock transition has demonstrated nonnegligible Stark shift, provoking to precisely…Qinfang Xu, Xiaotong Lu, Jingjing Xia et al.·May 21, 2021SaveLearn
Precision measurement of the 43Ca+ nuclear magnetic momentWe report precision measurements of the nuclear magnetic moment of 43Ca+, made by microwave spectroscopy of the 4s 2S1/2 $|F=4, M=0…R. K. Hanley, D. T. C. Allcock, T. P. Harty et al.·May 21, 2021SaveLearn
Many-electron character of two-photon above-threshold ionization of ArThe absolute generalized cross sections and angular distribution parameters of photoelectrons for the two-photon above threshold 3p-ionization of Ar were calculated in the exciting photon energy…I. D. Petrov, B. M. Lagutin, V. L. Sukhorukov et al.·May 20, 2021SaveLearn
Rearrangement of electron shells and interchannel interaction in the K photoabsorption of NeA detailed theoretical analysis of the 1s photoionization of neon is presented. It is found that the most significant many-electron correlation in computing photoionization of inner shells is the…N. M. Novikovskiy, D. V. Rezvan, N. M. Ivanov et al.·May 20, 2021SaveLearn
Observation of Feshbach resonances between a single ion and ultracold atomsControlling physical systems and their dynamics on the level of individual quanta propels both fundamental science and quantum technologies. Trapped atomic and molecular systems, neutral and charged,…Pascal Weckesser, Fabian Thielemann, Dariusz Wiater et al.·May 19, 2021SaveLearn
Electric quadrupole transitions in carbon dioxideRecent advances in the high sensitivity spectroscopy have made it possible, in combination with accurate theoretical predictions, to observe for the first time very weak electric quadrupole…Andrey Yachmenev, Alain Campargue, Sergei N. Yurchenko et al.·May 19, 2021SaveLearn
Photoelectron emission via time and phase-tailored electromagnetic fieldsThe energy and the angular distributions of photoelectrons are shown to be tunable by choosing the time and the spatial phase structure of the driving fields. These conclusions are derived from…Jonas Wätzel, Johannes Hahn, Jamal Berakdar·May 18, 2021SaveLearn
Spatio-temporal delay in photoionization by polarization structured laser fieldsFocused laser fields with textured polarization on a sub-wavelength scale allow extracting information on electronic processes which are not directly accessible by homogeneous fields. Here, we…Jonas Wätzel, Jamal Berakdar·May 18, 2021SaveLearn
Herriott-Cavity-Assisted Closed-Loop Xe Isotope ComagnetometerWe present in this paper a Herriott-cavity-assisted closed-loop Xe isotope gas comagnetometer. In this system, 129Xe and 131Xe atoms are pumped and probed by polarized Rb atoms, and…Chuanpeng Hao, QianQian Yu, Chunqi Yuan et al.·May 17, 2021SaveLearn
Alignment dependence of photoelectron momentum distributions for diatomic molecules N2 in strong elliptical laser fieldsWe study ionization dynamics of aligned diatomic molecules N2 in strong elliptical laser fields experimentally and theoretically. The alignment dependence of photoelectron momentum distributions…Dianxiang Ren, Shang Wang, Chao Chen et al.·May 17, 2021SaveLearn
Many-body theory of positron binding in polyatomic moleculesPositrons bind to molecules leading to vibrational excitation and spectacularly enhanced annihilation. Whilst positron binding energies have been measured via resonant annihilation spectra for…J. Hofierka, B. Cunningham, C. M. Rawlins et al.·May 14, 2021SaveLearn
Positron cooling via inelastic collisions in CF4 and N2 gasesPositron cooling via inelastic collisions in CF4 and N2 gases is simulated, including positron-positron interactions. Owing to the molecular symmetries, cooling is assumed to be chiefly due to…A. R. Swann, D. G. Green·May 14, 2021SaveLearn
Many-body theory for positronium scattering and pickoff annihilation in noble-gas atomsThe many-body-theory approach to positronium-atom interactions developed in [Phys. Rev. Lett. 120, 183402 (2018)] is applied to the sequence of noble-gas atoms He-Xe. The Dyson equation is…A. R. Swann, D. G. Green, G. F. Gribakin·May 14, 2021SaveLearn
Measurement of the muon transfer rate from muonic hydrogen to oxygen in the range 70-336 KThe first measurement of the temperature dependence of the muon transfer rate from muonic hydrogen to oxygen was performed by the FAMU collaboration in 2016. The results provide evidence that the…C. Pizzolotto, A. Sbrizzi, A. Adamczak et al.·May 14, 2021SaveLearn
Strongly resonant RABBITT on lithiumThe process of reconstruction of attosecond beating by interference of two-photon transitions (RABBITT) can become resonant with a discrete atomic level either in the intermediate or the final…Anatoli S. Kheifets·May 14, 2021SaveLearn
Single and Double Scattering Mechanisms in Ionization of Helium by Electron Vortex ProjectilesTriple differential cross sections (TDCSs) for electron vortex projectile ionization of helium into the azimuthal plane are calculated using the distorted wave Born approximation. In this collision…A. L. Harris·May 13, 2021SaveLearn
One-electron energy spectra of heavy highly charged quasimoleculesThe generalized dual-kinetic-balance approach for axially symmetric systems is employed to solve the two-center Dirac problem. The spectra of one-electron homonuclear quasimolecules are calculated…Artem A. Kotov, Dmitry A. Glazov, Vladimir M. Shabaev et al.·May 12, 2021SaveLearn
Accurate exponential representations for the ground states of the collinear two-electron atomic systemsIn the framework of the study of helium-like atomic systems possessing the collinear configuration, we propose a simple method for computing compact but very accurate wave functions describing the…Evgeny Z. Liverts, Nir Barnea·May 12, 2021SaveLearn
Spectroscopy of Rubidium atoms in solid matrices of rare gases: experimental results and theoretical analysisWe present an experimental and theoretical investigation of the spectroscopy of dilute alkali atoms in a solid matrix of inert gases at cryogenic temperatures, specifically Rubidium atoms in a solid…Caterina Braggio, Roberto Calabrese, Giovanni Carugno et al.·May 11, 2021SaveLearn
Theoretical study of reactions in the three body e-e+p system and antihydrogen formation cross sectionsWe apply a new highly efficient method of solving Faddeev-Merkuriev equations to multi-channel scattering calculations of the antihydrogen formation cross section for antiproton scattering off the…V. A. Gradusov, V. A. Roudnev, E. A. Yarevsky et al.·May 8, 2021SaveLearn
Structure and electron dynamics of planetary states of Sr below the Sr+ 7d and 8p thresholdsIn a combined experimental and theoretical study we investigate the 7dnl and 8pnl (n 11, l=9-12) doubly-excited planetary states of Sr. The experimental spectrum was obtained using a…Matthieu Génévriez, Christian Rosen, Ulrich Eichmann·May 7, 2021SaveLearn
Two-Orders-of-Magnitude Improvement in the Total Spin Angular Momentum of 131Xe Nuclei Using Spin Exchange Optical PumpingWe report on hyperpolarization of quadrupolar (I=3/2) 131Xe via spin-exchange optical pumping. Observations of the 131Xe polarization dynamics show that the effective alkali-metal/131Xe spin-exchange…Michael J. Molway, Liana Bales-Shaffer, Kaili Ranta et al.·May 7, 2021SaveLearn
Efficient loading of thulium atoms in a compact MOT for a transportable optical clockWe report on building of a compact vacuum chamber for spectroscopy of ultracold thulium and trapping of up to 13 million atoms. Compactness is achieved by obviating a classical Zeeman slower section…A. Golovizin, D. Tregubov, D. Mishin et al.·May 5, 2021SaveLearn