Characterization of the electronic ground state of Mg2+ by PFI-ZEKE photoelectron spectroscopyThe X+\ 2u+ ground electronic state of the Mg2+ ion has been studied by pulsed-field-ionization zero-kinetic-energy (PFI-ZEKE) photoelectron spectroscopy. Rotationally cold…Matthieu Génévriez, Maxime Holdener, Carla Kreis et al.·Feb 3, 2022SaveLearn
Spectroscopy on the eEDM-sensitive states of ThF+An excellent candidate molecule for the measurement of the electron's electric dipole moment (eEDM) is thorium monofluoride (ThF+) because the eEDM-sensitive state, 31, is the electronic…Kia Boon Ng, Yan Zhou, Lan Cheng et al.·Feb 3, 2022SaveLearn
Relativistic coupled cluster calculations of the electron affinity and ionization potential of Nh(113)Theoretical calculations based on the Dirac--Coulomb--Breit relativistic coupled cluster method have been carried out for the electron affinities and ionization potentials of the superheavy element…Yangyang Guo, Anastasia Borschevsky, Ephraim Eliav et al.·Feb 2, 2022SaveLearn
High-resolution far-infrared synchrotron FTIR spectroscopy and analysis of the 7, 19 and 20 bands of trioxaneRovibrational bands spectra of three 20, 7 and 19 bands of 1, 3, 5 -- trioxane (H2CO)3 were recorded in the 50--650 cm-1 range using a long path absorption cell…Cyril Richard, Pierre Asselin, Vincent Boudon·Feb 2, 2022SaveLearn
Characterizing Particle-Like Charge Migration Dynamics with High-Harmonic Sideband SpectroscopyWe introduce high-harmonic sideband spectroscopy (HHSS) and show that it can be a robust probe of attosecond charge migration (CM) in a halogenated carbon-chain molecule. We simulate both the CM and…Kyle A. Hamer, Francois Mauger, Aderonke S. Folorunso et al.·Feb 1, 2022SaveLearn
Improved Ionization and Dissociation Energies of the Deuterium MoleculeThe ionization energy of D2 has been determined experimentally from measurements involving two-photon Doppler-free vacuum-ultraviolet pulsed laser excitation and near-infrared continuous-wave…J. Hussels, N. Hölsch, C. -F. Cheng et al.·Feb 1, 2022SaveLearn
High-performance, additively-manufactured atomic spectroscopy apparatus for portable quantum technologiesWe demonstrate a miniaturised and highly robust system for performing Doppler-free spectroscopy on thermal atomic vapour for three frequencies as required for cold atom-based quantum technologies.…Somya H Madkhaly, Nathan Cooper, Laurence Coles et al.·Feb 1, 2022SaveLearn
Optical pumping and relaxation of atomic population in assorted conditionsThe precise control and knowledge over the atomic dynamics is central to the advancement of quantum technology. The different experimental conditions namely, atoms in a vacuum, an anti-relaxation…Swarupananda Pradhan, Saptarshi Roy Chowdhury·Jan 31, 2022SaveLearn
Static electric dipole moment of the francium atom induced by axionlike particle exchangeThe francium atom is considered as a prospective candidate system to search for the T,P-violating electron electric dipole moment [T. Aoki et al Quantum Sci. Technol. 6, 044008 (2021)]. We…D. E. Maison, L. V. Skripnikov·Jan 29, 2022SaveLearn
Matter Wave Analog of a Fiber-Optic GyroscopeConfining the propagating wavepackets of an atom interferometer inside a waveguide can substantially reduce the size of the device while preserving high sensitivity. We have realized a…Katarzyna Krzyzanowska, Jorge Ferreras, Changhyun Ryu et al.·Jan 29, 2022SaveLearn
A general model and toolkit for the ionization of three or more electrons in strongly driven atoms using an effective Coulomb potential for the interaction between bound electronsWe formulate a three-dimensional semi-classical model to address triple and double ionization in three-electron atoms driven by intense infrared laser pulses. During time propagation, our model fully…M. B. Peters, G. P. Katsoulis, A. Emmanouilidou·Jan 28, 2022SaveLearn
Observation and modelling of bound-free transitions to the X1+ and a3+ states of KCsThe oscillation continuum in laser-induced fluorescence spectra of bound-free c3+ a3+ and (4)1+ X1+ transitions of the KCs molecule were recorded by…Valts Krumins, Artis Kruzins, Maris Tamanis et al.·Jan 28, 2022SaveLearn
One second interrogation time in a 200 round-trip waveguide atom interferometerWe report a multiple-loop guided atom interferometer in which the atoms make 200 small-amplitude roundtrips, instead of one large single orbit. The approach is enabled by using ultracold 39K gas and…Hyosub Kim, Katarzyna Krzyzanowska, K. C. Henderson et al.·Jan 28, 2022SaveLearn
Multi-photon Atom Interferometry via cavity-enhanced Bragg DiffractionWe present a novel atom interferometer configuration that combines large momentum transfer with the enhancement of an optical resonator for the purpose of measuring gravitational strain in the…D. O. Sabulsky, J. Junca, X. Zou et al.·Jan 27, 2022SaveLearn
Dynamic Stark shift in a Doppler-broadened four-wave mixingThis work presents a theoretical analysis of the Autler-Townes splitting pattern in the four-wave mixing signal generated in a three-level cascade Doppler-broadened system. We employ the density…M. P. M. de Souza, A. A. C. de Almeida, S. S. Vianna·Jan 25, 2022SaveLearn
Measurement of the 87Rb D-line vector tune-out wavelengthWe report a precision measurement of a tune-out wavelength for 87Rb using circularly polarized light. A tune-out wavelength characterizes a zero in the electric polarizability of the atom. For…A. J. Fallon, E. R. Moan, E. A. Larson et al.·Jan 25, 2022SaveLearn
Self-Alignment of a Large-Area Dual-Atom-Interferometer Gyroscope Using Parameter Decoupled Phase Seeking CalibrationsWe realize a Mach-Zehnder-type dual-atom-interferometer gyroscope with an interrogation arm of 40 cm length and the interference area up to 1.2 cm2. The precise angular alignment of the…Zhan-Wei Yao, Hong-Hui Chen, Si-Bin Lu et al.·Jan 25, 2022SaveLearn
Single and double K-shell vacancy production in slow Xe54+,53+-Xe collisionsWe present an experimental and theoretical study of symmetric Xe54++Xe collisions at 50, 30, and 15 MeV/u, corresponding to strong perturbations with vK/vp = 1.20,…P. -M. Hillenbrand, S. Hagmann, Y. S. Kozhedub et al.·Jan 25, 2022SaveLearn
Continuous-frequency weak electric field measurement with Rydberg atomsWe demonstrate a continuous frequency electric field measurement based on the far off-resonant AC stark effect in a Rydberg atomic vapor cell. In this configuration, a strong far off-resonant field,…Jinlian Hu, Huaqiang Li, Rong Song et al.·Jan 25, 2022SaveLearn
Evidence against nuclear polarization as source of fine-structure anomalies in muonic atomsA long-standing problem of fine-structure anomalies in muonic atoms is revisited by considering the 2p splitting in muonic 90Zr, 120Sn and 208Pb and…Igor A. Valuev, Gianluca Colò, Xavier Roca-Maza et al.·Jan 24, 2022SaveLearn
New Measurement Resolves Key Astrophysical Fe XVII Oscillator Strength ProblemOne of the most enduring and intensively studied problems of X-ray astronomy is the disagreement of state-of-the art theory and observations for the intensity ratio of two Fe XVII transitions of…Steffen Kühn, Charles Cheung, Natalia S. Oreshkina et al.·Jan 22, 2022SaveLearn
Benchmarking of the Fock space coupled cluster method and uncertainty estimation: Magnetic hyperfine interaction in the excited state of BaFWe present an investigation of the performance of the relativistic multi-reference Fock-space coupled cluster (FSCC) method for predicting molecular hyperfine structure (HFS) constants, including a…Malika Denis, Pi A. B. Haase, Maarten C. Mooij et al.·Jan 21, 2022SaveLearn
Coherent Optical Processes on Cs D2 line Magnetically Induced TransitionsThe increased spectral resolution allowed by the use of extremely thin vapor cells has led to the observation of interesting behaviour of alkali transitions when placed in a magnetic field.…Armen Sargsyan, Arevik Amiryan, Ara Tonoyan et al.·Jan 20, 2022SaveLearn
Inner-shell excitation in the YbF molecule and its impact on laser coolingThe YbF molecule is a sensitive system for measuring the electron's electric dipole moment. The precision of this measurement can be improved by direct laser cooling of the molecules to ultracold…Chi Zhang, Chaoqun Zhang, Lan Cheng et al.·Jan 19, 2022SaveLearn
Observation of the P-wave Shape ResonancePartial wave resonances are quasi-bound states that are formed by tunneling through the centrifugal barrier. Such states are important to collisions that deviate from the Langevin limit where direct…Baruch Margulis, Prerna Paliwal, Wojciech Skomorowski et al.·Jan 19, 2022SaveLearn