Phase-coherent sensing of the center-of-mass motion of trapped-ion crystalsTrapped ions are sensitive detectors of weak forces and electric fields that excite ion motion. Here measurements of the center-of-mass motion of a trapped-ion crystal that are phase-coherent with an…M. Affolter, K. A. Gilmore, J. E. Jordan et al.·Jul 31, 2020SaveLearn
Role of hyperfine interaction in Land\'e g-factors of 3\!Po0 clock statesIn the weak-magnetic-field approximation, we derived a general expression of hyperfine-induced Land\'e g-factors. By using this formula and the multi-configuration Dirac-Hartree-Fock theory, the…Tingxian Zhang, Benquan Lu, Jiguang Li et al.·Jul 31, 2020SaveLearn
Measurement of the molecular dipole moment and the hyperfine and -doublet splittings of the B31 state of thallium fluorideWe report high-precision measurements on the thallium fluoride J = 1 hyperfine manifold of the B31 ( = 0) state. This state is of special interest because it is central to an…Nathan B. Clayburn, Trevor H. Wright, Eric B. Norrgard et al.·Jul 31, 2020SaveLearn
Suppression of Three-Body Loss Near a p-Wave Resonance Due to Quasi-1D ConfinementWe investigate the three-body recombination rate of a Fermi gas of 6Li atoms confined in quasi-1D near a p-wave Feshbach resonance. We confirm that the quasi-1D loss rate constant K3 follows…Andrew S. Marcum, Francisco R. Fonta, Arif Mawardi Ismail et al.·Jul 31, 2020SaveLearn
Decoherence-free radiofrequency dressed subspacesWe study the spectral signatures and coherence properties of radiofrequency dressed hyperfine Zeeman sub-levels of 87Rb. Experimentally, we engineer combinations of static and RF magnetic fields to…G. A. Sinuco-Leon, H. Mas, S. Pandey et al.·Jul 30, 2020SaveLearn
All-Optical Single-Species Cesium Atomic Comagnetometer with Optical Free Induction Decay DetectionAtomic comagnetometers, which measure the spin precession frequencies of overlapped species simultaneously, are widely applied to search for exotic spin-dependent interactions. Here we propose and…Yucheng Yang, Teng Wu, Jingbiao Chen et al.·Jul 30, 2020SaveLearn
Attosecond photoionization dynamics in the vicinity of the Cooper minima in argonUsing a spectrally resolved electron interferometry technique, we measure photoionization time delays between the 3s and 3p subshells of argon over a large 34-eV energy range covering the Cooper…C. Alexandridi, D. Platzer, L. Barreau et al.·Jul 30, 2020SaveLearn
Optical clocks based on molecular vibrations as probes of variation of the proton-to-electron mass ratioSome new physics models of quantum gravity or dark matter predict drifts or oscillations of the fundamental constants. A relatively simple model relates molecular vibrations to the proton-to-electron…David Hanneke, Boran Kuzhan, Annika Lunstad·Jul 30, 2020SaveLearn
Spectator electron effects on the two-electron one-photon radiative transition process of double K hole state of Xeq+ ion(47\!≤\!q\!≤\!52)The double electron E1 transition energies, probabilities, and oscillator strengths between the 2s2pn and 1s22pn-1(1\!≤\!n≤\!6) configurations of Xeq+(47\!≤\!q≤\!52)…Xiaobin Ding, Cunqiang Wu, Denghong Zhang et al.·Jul 29, 2020SaveLearn
Gouy phase-matched angular and radial mode conversion in four-wave mixingStudying the conversion between transverse light modes via four-wave mixing in a heated rubidium vapour, we demonstrate and explain a transfer between azimuthal and radial mode numbers. These relate…Rachel F. Offer, Andrew Daffurn, Erling Riis et al.·Jul 28, 2020SaveLearn
Three-body bound states of an atom in a Fermi mixtureWe determine the three-body bound states of an atom in a Fermi mixture. Compared to the Efimov spectrum of three atoms in vacuum, we show that the Fermi seas deform the Efimov spectrum…Ali Sanayei, Ludwig Mathey·Jul 27, 2020SaveLearn
Resonant sequential two-photon ionization of atoms by twisted and plane-wave lightWe study the resonant sequential two-photon ionization of neutral atoms by a combination of twisted- and plane-wave light within a fully relativistic framework. In particular, the ionization of an…V. P. Kosheleva, V. A. Zaytsev, R. A. Müller et al.·Jul 27, 2020SaveLearn
Microwave coherent spectroscopy of ultracold thulium atomsRecently, the thulium atom was cooled down to the Bose-Einstein condensation temperature, thus opening a pathway to quantum simulation with this atom. However, successful simulations require…D. A. Pershin, V. V. Yaroshenko, V. V. Tsyganok et al.·Jul 27, 2020SaveLearn
Net electron capture in collisions of multiply charged projectiles with biologically relevant moleculesA model for the description of proton collisions from molecules composed of atoms such as hydrogen, carbon, nitrogen, oxygen and phosphorus (H, C, N, O, P) was recently extended to treat collisions…Hans Jürgen Lüdde, Alba Jorge, Marko Horbatsch et al.·Jul 27, 2020SaveLearn
Unveiling shape resonances in H + HF collisions at cold energiesResonances are associated with the trapping of an intermolecular complex, and are characterized by a series of quantum numbers such as the total angular momentum and the parity, representative of a…Pablo G. Jambrina, Lola González-Sánchez, Manuel Lara et al.·Jul 26, 2020SaveLearn
Quantum reactive scattering in the long-range ion-dipole potentialAn ion and a polar molecule interact by an anisotropic ion-dipole potential scaling as - α (θ)/r2 at large distances. Due to its long-range character, it modifies the properties of…Tomasz Wasak, Zbigniew Idziaszek·Jul 24, 2020SaveLearn
High-Gain Harmonic Generation with temporally overlapping seed pulses and application to ultrafast spectroscopyCollinear double-pulse seeding of the High-Gain Harmonic Generation (HGHG) process in a free-electron laser (FEL) is a promising approach to facilitate various coherent nonlinear spectroscopy schemes…Andreas Wituschek, Lukas Bruder, Enrico Allaria et al.·Jul 24, 2020SaveLearn
Normal Modes, Rotational Inertia, and Thermal Fluctuations of Trapped Ion CrystalsThe normal modes of a trapped ion crystal are derived using an approach based on the Hermitian properties of the systems dynamical matrix. This method is equivalent to the standard Bogoliubov method,…Daniel H. E. Dubin·Jul 24, 2020SaveLearn
New standard magnetic field values determined by cancellations of 85Rb and 87Rb atomic vapors 52S1/2 → 62P1/2,~3/2 transitionsIn this article, we study the theoretical behaviour of all the possible hyperfine transitions (π, σ+ and σ-) between the 5S and 6P states of 87Rb and…Rodolphe Momier, Artur Aleksanyan, Emil Gazazyan et al.·Jul 23, 2020SaveLearn
Two-loop virtual light-by-light scattering corrections to the bound-electron g factorA critical set of two-loop QED corrections to the g factor of hydrogenlike ions is calculated without expansion in the nuclear binding field. These corrections are due to the polarization of the…V. Debierre, B. Sikora, H. Cakir et al.·Jul 23, 2020SaveLearn
ARC 3.0: An expanded Python toolbox for atomic physics calculationsARC 3.0 is a modular, object-oriented Python library combining data and algorithms to enable the calculation of a range of properties of alkali and divalent atoms. Building on the initial version of…Elizabeth J. Robertson, Nikola Šibalić, Robert M. Potvliege et al.·Jul 23, 2020SaveLearn
Ultra-Compact accurate wave functions for He-like and Li-like iso-electronic sequences and variational calculus. I. Ground stateSeveral ultra-compact accurate wave functions in the form of generalized Hylleraas-Kinoshita functions and Guevara-Harris-Turbiner functions, which describe the domain of applicability of the Quantum…A. V. Turbiner, J. C. Lopez Vieyra, J. C. del Valle et al.·Jul 23, 2020SaveLearn
Complex coordinate rotation method based on gradient optimizationIn atomic, molecular, and nuclear physics, the method of complex coordinate rotation is a widely used theoretical tool for studying resonant states. Here, we propose a novel implementation of this…Zhi-Da Bai, Zhen-Xiang Zhong, Zong-Chao Yan et al.·Jul 23, 2020SaveLearn
Control of Arrival Time using Structured Wave PacketsScattering dynamics are examined for Gaussian and non-Gaussian wave packets with identical momentum densities. Average arrival time delays, dwell times, and phase time delays are calculated for wave…T. A. Saxton, A. L. Harris·Jul 22, 2020SaveLearn
Optical Mass Spectrometry of Cold RaOH+ and RaOCH3+We present an all-optical mass spectrometry technique to identify trapped ions. The new method uses laser-cooled ions to determine the mass of a cotrapped dark ion with a sub-dalton resolution within…M. Fan, C. A. Holliman, X. Shi et al.·Jul 22, 2020SaveLearn