Complex-scaled ab initio QED approach to autoionizing statesAb initio method based on a complex-scaling approach and aimed at a rigorous QED description of autoionizing states is worked out. The autoionizing-state binding energies are treated…V. A. Zaytsev, A. V. Malyshev, V. M. Shabaev·Oct 3, 2022SaveLearn
Improving the spectroscopic knowledge of neutral NeodymiumLaser cooling and trapping of lanthanides has opened the possibility to carry out new experiments with ultracold dipolar gases, for example for quantum simulation of solid state physics. To identify…Gohar Hovhannesyan, Maxence Lepers·Sep 30, 2022SaveLearn
Photoelectron momentum distributions in the strong-field ionization of atomic hydrogen by few-cycle elliptically polarized optical pulsesWe investigate the strong-field ionization of atomic hydrogen in a few-cycle elliptically polarized infrared pulse by solving the time-dependent Schr\"odinger equation. The dependence of the…Nicolas Douguet, Klaus Bartschat·Sep 29, 2022SaveLearn
Rydberg state engineering: A comparison of tuning schemes for continuous frequency sensingOn-resonance Rydberg atom-based radio-frequency (RF) electric field sensing methods remain limited by the narrow frequency signal detection bands available by resonant transitions. The use of an…Samuel Berweger, Nikunjkumar Prajapati, Alexandra B. Artusio-Glimpse et al.·Sep 28, 2022SaveLearn
Ionic Coherence in Resonant Above-Threshold Attosecond Ionization SpectroscopyThe ionization of atoms with sequences of attosecond pulses gives rise to excited ionic states that are entangled with the emitted photoelectron. Still, the ionic ensemble preserves some coherence…Saad Mehmood, Eva Lindroth, Luca Argenti·Sep 27, 2022SaveLearn
Tracking the Vector Acceleration with a Hybrid Quantum Accelerometer TriadRobust and accurate acceleration tracking remains a challenge in many fields. For geophysics and economic geology, precise gravity mapping requires onboard sensors combined with accurate positioning…Simon Templier, Pierrick Cheiney, Quentin d'Armagnac de Castanet et al.·Sep 27, 2022SaveLearn
Measurement of the Electron Magnetic MomentThe electron magnetic moment,-μ/μB = g/2 = 1.001 \, 159 \, 652 \, 180 \, 59 \, (13) \, [0.13\, ppt], is determined 2.2 times more accurately than the value that stood for 14 years. The…X. Fan, T. G. Myers, B. A. D. Sukra et al.·Sep 27, 2022SaveLearn
Laser spectroscopy of aromatic molecules with optical cycling centers: strontium (I) phenoxidesWe report the production and spectroscopic characterization of strontium (I) phenoxide (SrOC6H5, or SrOPh) and variants featuring electron-withdrawing groups designed to…Guanming Lao, Guo-Zhu Zhu, Claire E. Dickerson et al.·Sep 26, 2022SaveLearn
Hyperfine coupling constants of the cesium 7D5/2 state measured up to the octupole termWe report the measurement of the hyperfine splitting in the 7D5/2 state of 133Cs using high resolution Doppler-free two-photon spectroscopy enabled by precise frequency scans using an…Bubai Rahaman, Sourav Dutta·Sep 26, 2022SaveLearn
The dual King relationWe introduce a new linear relation in the isotope shifts of atomic spectroscopy. While the famous King relation is the linear relation among the different transitions, the new one is the linear…Yasuhiro Yamamoto·Sep 26, 2022SaveLearn
A practical guide to Terahertz imaging using thermal atomic vapourThis tutorial aims to provide details on the underlying principles and methodologies of atom-based terahertz imaging techniques. Terahertz imaging is a growing field of research which can provide…Lucy Downes, Lara Torralbo-Campo, Kevin Weatherill·Sep 26, 2022SaveLearn
Pulse length effects in long wavelength driven non-sequential double ionizationWe present a joint experimental and theoretical study of non-sequential double ionization (NSDI) in argon driven by a 3100-nm laser source. The correlated photoelectron momentum distribution (PMD)…H. Jiang, M. Mandrysz, A. Sanchez et al.·Sep 24, 2022SaveLearn
Millisecond-lived circular Rydberg atoms in a room-temperature experimentCircular Rydberg states are ideal tools for quantum technologies, with huge mutual interactions and extremely long lifetimes in the tens of milliseconds range, two orders of magnitude larger than…Haiteng Wu, Rémi Richaud, Jean-Michel Raimond et al.·Sep 23, 2022SaveLearn
Survey of hyperfine structure measurements in alkali atomsThe spectroscopic hyperfine constants for all the alkali atoms are reported. For atoms from lithium to cesium, only the long lived atomic isotopes are examined. For francium, the measured data for…M. Allegrini, E. Arimondo, L. A. Orozco·Sep 23, 2022SaveLearn
Hyperfine Structure Constants of Sc I and Sc II with Fourier Transform SpectroscopyWe report new experimental hyperfine structure (HFS) constants of neutral and singly ionized scandium (Sc I and Sc II). We observed spectra of Sc-Ar and Sc-Ne hollow cathode discharges in the region…Hala, G. Nave·Sep 22, 2022SaveLearn
Black-body radiation induced photodissociation and population redistribution of weakly bound states in H2+Molecular hydrogen ions in weakly bound states close to the first dissociation threshold are attractive quantum sensors for measuring the proton-to-electron mass ratio and hyperfine-induced…A. D. Ochoa Franco, M. Beyer·Sep 22, 2022SaveLearn
A terahertz vibrational molecular clock with systematic uncertainty at the 10-14 levelNeutral quantum absorbers in optical lattices have emerged as a leading platform for achieving clocks with exquisite spectroscopic resolution. However, the studies of these clocks and their…K. H. Leung, B. Iritani, E. Tiberi et al.·Sep 22, 2022SaveLearn
Cold-atom sources for the Matter-wave laser Interferometric Gravitation Antenna (MIGA)The Matter-wave laser Interferometric Gravitation Antenna (MIGA) is an underground instrument using cold-atom interferometry to perform precision measurements of gravity gradients and strains.…Quentin Beaufils, Leonid A. Sidorenkov, Pierre Lebegue et al.·Sep 21, 2022SaveLearn
Strong Field Non-Franck-Condon Ionization of H2: A Semi-Classical AnalysisSingle ionization of H2 molecules exposed to strong and short laser pulses is investigated by a semi-classical method. Three laser characteristics are considered: i) The carrier-wave frequency…Jean-Nicolas Vigneau, O. Atabek, Thanh-Tung Nguyen-Dang et al.·Sep 21, 2022SaveLearn
Fully saturated hydrocarbons as hosts of optical cycling centersDesigning closed, laser-induced optical cycling transitions in trapped atoms or molecules is useful for quantum information processing, precision measurement, and quantum sensing. Larger molecules…Claire E. Dickerson, Cecilia Chang, Han Guo et al.·Sep 20, 2022SaveLearn
Density functional theory and non-relativistic photoelectric effects in the few-electron atomic systemsClosed analytical formulas are derived for the differential and total cross sections of the non-relativistic photoelectric effect in the three main classes of few-electron atomic systems: (1) neutral…Alexei M. Frolov·Sep 20, 2022SaveLearn
Enhancing reactivity of SiO+ ions by controlled excitation to extreme rotational statesOptical pumping of molecules provides unique opportunities for control of chemical reactions at a wide range of rotational energies. This work reports a chemical reaction with extreme rotational…Sruthi Venkataramanababu, Anyang Li, Ivan Antonov et al.·Sep 19, 2022SaveLearn
Fock expansion for two-electron atoms. High order angular coefficientsThe Fock expansion, which describes the properties of two-electron atoms near the nucleus, is studied. The angular Fock coefficients k,p(α,θ) with the maximum possible value of…Evgeny Z. Liverts, Rajmund Krivec·Sep 19, 2022SaveLearn
Telecom-wavelength spectra of a Rydberg state in a hot vaporWe study telecom-wavelength spectra of a Rydberg state in an atomic vapor with a three-photon excitation scheme. Two lasers of 780 nm and 776 nm are used to pump Rubidium-85 atoms in a vapor cell to…Wenfang Li, Jinjin Du, Mark Lam et al.·Sep 19, 2022SaveLearn
Understanding the gravitational and magnetic environment of a very long baseline atom interferometerBy utilizing the quadratic dependency of the interferometry phase on time, the Hannover Very Long Baseline Atom Interferometer facility (VLBAI) aims for sub nm/s2 gravity measurement sensitivity.…Ali Lezeik, Dorothee Tell, Klaus Zipfel et al.·Sep 19, 2022SaveLearn