Quantum single-photon control, storage, and entanglement generation with planar atomic arraysWhile artificially fabricated patterned metasurfaces are providing paradigm-shifting optical components for classical light manipulation, strongly interacting, controllable, and deterministic quantum…K. E. Ballantine, J. Ruostekoski·Aug 9, 2021SaveLearn
Magnetic Dichroism in Few-Photon Ionization of Polarized AtomsWe consider few-photon ionization of atomic lithium by linearly polarized femtosecond laser pulses, and demonstrate that asymmetries of the electron angular distribution can occur for initially…B. P. Acharya, M. Dodson, S. Dubey et al.·Aug 6, 2021SaveLearn
Theoretical Aspects of Radium-Containing Molecules Amenable to Assembly from Laser-Cooled Atoms for New Physics SearchesWe explore the possibilities for a next-generation electron-electric-dipole-moment experiment using ultracold heteronuclear diatomic molecules assembled from a combination of radium and another…Timo Fleig, David DeMille·Aug 5, 2021SaveLearn
Lossy Quantum Defect Theory of Ultracold Molecular CollisionsWe consider losses in collisions of ultracold molecules described by a simple statistical short-range model that explicitly accounts for the limited lifetime of classically chaotic collision…Arthur Christianen, Gerrit C. Groenenboom, Tijs Karman·Aug 5, 2021SaveLearn
Ab initio study of the reactivity of ultracold RbSr+RbSr collisionsWe performed ab initio calculations in order to assess the reactivity of ultracold RbSr (2+) + RbSr (2+) collisions occurring on the singlet as well as the triplet potential. At…Marijn P. Man, Tijs Karman, Gerrit C. Groenenboom·Aug 5, 2021SaveLearn
Revealing the target electronic structure with under-threshold RABBIITTThe process of reconstruction of attosecond beating by interference of two-photon transitions (RABBITT) reveals the target atom electronic structure when one of the transitions proceeds from below…Anatoli Kheifets·Aug 5, 2021SaveLearn
Electronic structure of Rf+ (Z = 104) from ab initio calculationsWe report calculation of the energy spectrum and the spectroscopic properties of the superheavy element ion: Rf+. We use the 4-component relativistic Dirac-Coulomb Hamiltonian and the multireference…Harry Ramanantoanina, Anastasia Borschevsky, Michael Block et al.·Aug 4, 2021SaveLearn
Self annihilation of confined positroniumThe effect of confinement on the self-annihilation rate of positronium is studied in three levels of approximation. Artificial restriction of the electron-positron separation leads to an increase in…A. R. Swann, D. G. Green, G. F. Gribakin·Aug 4, 2021SaveLearn
Resonant scattering of plane-wave and twisted photons at the Gamma FactoryWe present a theoretical investigation of the resonant elastic scattering of laser photons by ultra-relativistic partially stripped ions, that is the core process of the Gamma Factory project.…Valeriy G. Serbo, Andrey Surzhykov, Andrey Volotka·Aug 4, 2021SaveLearn
Ultra-Compact accurate wave functions for He-like and Li-like iso-electronic sequences and variational calculus. II. Spin-singlet (excited) and spin-triplet (lowest) states of the Helium sequenceAs a continuation of Part I Part-1:2020 (Int. Journal of Quantum Chem. 2021; 121: qua.26586), dedicated to the ground state of He-like and Li-like isoelectronic sequences for nuclear charges…A. V. Turbiner, J. C. Lopez Vieyra, J. C. del Valle et al.·Aug 3, 2021SaveLearn
Optimizing Pulsed-Laser Ablation Production of AlCl Molecules for Laser CoolingAluminum monochloride (AlCl) has been proposed as a promising candidate for laser cooling to ultracold temperatures, and recent spectroscopy results support this prediction. It is challenging to…Taylor N. Lewis, Chen Wang, John R. Daniel et al.·Aug 2, 2021SaveLearn
Weak Correlation and Strong Relativistic Effects on the Hyperfine Interaction in FluorineIn previous work devoted to ab initio calculations of hyperfine structure constants in nitrogen and fluorine atoms, we observed sizeable relativistic effects, a priori unexpected for such light…Fatima Zahra Boualili, Messaoud Nemouchi, Michel Godefroid et al.·Aug 2, 2021SaveLearn
Relativistic coupled-cluster calculation of hyperfine-structure constants of 229Th3+ and evaluation of the electromagnetic nuclear moments of 229Th229Th is a promising candidate for developing a nuclear optical clock and searching the new physics beyond the standard model. Accurate knowledge of the nuclear properties of 229Th is very…Fei-Chen Li, Hao-Xue Qiao, Yong-Bo Tang et al.·Aug 2, 2021SaveLearn
Characterization of the lowest excited-state ro-vibrational level of 23Na87RbStarting from an ultracold sample of ground-state 23Na87Rb molecules, we investigate the lowest ro-vibrational level of the b3 state with high resolution laser spectroscopy. This…Junyu He, Junyu Lin, Romain Vexiau et al.·Aug 2, 2021SaveLearn
Local positioning system as a classic alternative to atomic navigationA local positional system (LPS) is proposed, in which particles are launched at given velocities, and a sensor system measures the trajectory of particles in the platform frame. These measurements…B. Dubetsky·Jul 31, 2021SaveLearn
Nonlinearities of King's plot and their dependence on nuclear radiiInvestigations of isotope shifts of atomic spectral lines provide insights into nuclear properties. Deviations from the linear dependence of the isotope shifts of two atomic transitions on nuclear…Robert A. Müller, Vladimir A. Yerokhin, Anton N. Artemyev et al.·Jul 31, 2021SaveLearn
Absolute frequency measurement of the 171Yb optical lattice clock at KRISS using TAI for over a yearWe report a measurement of the absolute frequency of the 1S0-3P0 transition in the 171Yb optical lattice clock at KRISS (KRISS-Yb1) for 14 months, which was referenced to the SI second by primary and…Huidong Kim, Myoung-Sun Heo, Chang Yong Park et al.·Jul 30, 2021SaveLearn
Precision calculation of hyperfine constants for extracting nuclear moments of 229ThDetermination of nuclear moments for many nuclei relies on the computation of hyperfine constants, with theoretical uncertainties directly affecting the resulting uncertainties of the nuclear…S. G. Porsev, M. S. Safronova, M. G. Kozlov·Jul 30, 2021SaveLearn
Theory of the line shape of the 1S--2S transition for magnetically trapped antihydrogenThe physics that determines the line shape of the 1S--2S transition in magnetically trapped H is explored. Besides obtaining an understanding of the line shape, one goal is to replace the…R. A. Gustafson, F. Robicheaux·Jul 30, 2021SaveLearn
Ro-vibrational spin-averaged transitions in the hydrogen molecular ionsWe reconsider the calculation of rovibrational transition frequencies in hydrogen molecular ions. Some previously neglected contributions, such as the deuteron polarizability, are included into…Vladimir I. Korobov, Jean-Philippe Karr·Jul 30, 2021SaveLearn
Anisotropic dynamics of two-photon ionization: An attosecond movie of photoemissionImaging in real time the complete dynamics of a process as fundamental as photoemission has long been out of reach due to the difficulty of combining attosecond temporal resolution with fine spectral…Alice Autuori, Dominique Platzer, Mariusz Lejman et al.·Jul 29, 2021SaveLearn
Fourier-transform spectroscopy and relativistic electronic structure calculation on the c3+ state of KCsThe Ti:Saphire laser operated within 13800 - 11800 cm-1 range was used to excite the c3+ state of KCs molecule directly from the ground X1+ state. The laser-induced…Artis Kruzins, Valts Krumins, Maris Tamanis et al.·Jul 29, 2021SaveLearn
Non-adiabatic Strong Field Ionization of Atomic HydrogenWe present experimental data on the non-adiabatic strong field ionization of atomic hydrogen using elliptically polarized femtosecond laser pulses at a central wavelength of 390 nm. Our measured…Daniel Trabert, Nils Anders, Simon Brennecke et al.·Jul 29, 2021SaveLearn
Strong field ionisation of Argon: Electron momentum spectra and nondipole effectsWe investigate the influence of relativistic nondipole effects on the photoelectron spectra of argon, particularly in the low kinetic energy region (0 eV - 5 eV). In our experiment, we use intense…Nida Haram, Han Xu, Igor Ivanov et al.·Jul 29, 2021SaveLearn
Laser driven superradiant ensembles of two-level atoms near Dicke's regimeWe report the experimental observation of superradiant emission emanating from an elongated dense ensemble of laser cooled two-level atoms, with a radial extent smaller than the transition…G. Ferioli, A. Glicenstein, F. Robicheaux et al.·Jul 28, 2021SaveLearn