Noise-Modified, Paraxial Maxwell-Bloch Equations for X-ray Amplified Spontaneous EmissionWe present a Hamiltonian-based, 3D theory in paraxial approximation for X-ray amplified spontaneous emission (or superfluorescence) pumped by X-ray free-electron laser. The seed field is included.…Jeong-Wan Park, Kwang-Je Kim, Ryan Lindberg·May 8, 2023SaveLearn
Excitation of forbidden electronic transitions in atoms by Hermite-Gaussian modesPhotoexcitation of trapped ions by Hermite-Gaussian (HG) modes from guided beam structures is proposed and investigated theoretically. In particular, simple analytical expressions for the Rabi…Anton A. Peshkov, Elena Jordan, Markus Kromrey et al.·May 8, 2023SaveLearn
Electron correlation effects on the g factor of lithiumlike ionsWe present the systematic QED treatment of the electron correlation effects on the g factor of lithiumlike ions for the wide range of nuclear charge number Z= 14 -- 82. The one- and two-photon…D. V. Zinenko, D. A. Glazov, V. P. Kosheleva et al.·May 7, 2023SaveLearn
Finite-Basis-Set Approach to the Two-Center Heteronuclear \\ Dirac ProblemThe rigorous two-center approach based on the dual-kinetically balanced finite-basis-set expansion is applied to one-electron, heteronuclear diatomic Bi-Au, U-Pb, and Cf-U quasimolecules. The…Artem A. Kotov, Dmitry A. Glazov, Aleksei V. Malyshev et al.·May 7, 2023SaveLearn
Long-range interactions between rubidium and potassium Rydberg atomsWe investigate the long-range, two-body interactions between rubidium and potassium atoms in highly excited (n=70) Rydberg states. After establishing properly symmetrized asymptotic basis states,…Nolan Samboy·May 6, 2023SaveLearn
A cold-atom Ramsey clock with a low volume physics packageWe demonstrate a Ramsey-type microwave clock interrogating the 6.835~GHz ground-state transition in cold 87Rb atoms loaded from a grating magneto-optical trap (GMOT) enclosed in an…Alan Bregazzi, Etienne Batori, Ben Lewis et al.·May 4, 2023SaveLearn
An additive-manufactured microwave cavity for a compact cold-atom clockWe present an additive-manufactured microwave cavity for a Ramsey-type, double resonance, compact cold-atom clock. Atoms can be laser cooled inside the cavity using a grating magneto-optic trap…Etienne Batori, Alan Bregazzi, Ben Lewis et al.·May 4, 2023SaveLearn
Imaging a 6Li Atom In An Optical Tweezer 2000 Times with -Enhanced Gray MolassesWe have imaged lithium-6 thousands of times in an optical tweezer using -enhanced gray molasses cooling light. Despite being the lightest alkali, with a recoil temperature of 3.5 μK, we…Karl N. Blodgett, David Peana, Saumitra Phatak et al.·May 3, 2023SaveLearn
Effect of finite nuclear size on the electric quadrupole hyperfine operatorWe present an expression for the operator of the electric quadrupole hyperfine interaction which takes into account finite nuclear size. We compare the results obtained with the use of this operator…V. A. Dzuba, V. V. Flambaum·May 2, 2023SaveLearn
Spin-orientation-resolved attosecond chronoscopy in strong field ionizationAttosecond chronoscopy represents a major breakthrough in the study of ultrafast phenomena and has the potential to revolutionize our understanding of the fundamental physics of matter. We…Minqqing Liu, Wei-Chao Jiang·May 1, 2023SaveLearn
How to Build an Optical Filter with an Atomic Vapor CellThe nature of atomic vapors, their natural alignment with interatomic transitions, and their ease of use make them highly suited for spectrally narrow-banded optical filters. Atomic filters come in…Denis Uhland, Helena Dillmann, Yijun Wang et al.·Apr 30, 2023SaveLearn
Spectroscopy of the 85Rb 4D3/2 state for hyperfine-structure determinationWe report a measurement of the hyperfine-structure constants of the 85Rb 4D3/2 state using a two-photon 5S1/2→4D3/2 transition. The hyperfine transitions are probed by…Alisher Duspayev, Georg Raithel·Apr 29, 2023SaveLearn
Tracking a nonrelativistic charge with an array of Rydberg atomsCharged particle tracking has played a key role in the development of particle physics, particularly for understanding phenomena involving short-lived particles precisely. As a platform for…Akio Kawasaki·Apr 28, 2023SaveLearn
Optical cycling in polyatomic molecules with complex hyperfine structureWe have developed and demonstrated a scheme to achieve rotationally-closed photon cycling in polyatomic molecules with complex hyperfine structure and sensitivity to hadronic symmetry violation,…Yi Zeng, Arian Jadbabaie, Ashay N. Patel et al.·Apr 27, 2023SaveLearn
Orchestrating optical pumping with magnetic field for enhanced magnetometryThe atomic population trapped in uncoupled atomic states is a limiting factor for processes based on laser-atom interaction. The use of repump laser, bi-chromatic field, and vector magnetic field are…Swarupananda Pradhan, Sudip mandal·Apr 27, 2023SaveLearn
Polarization control of RABBITT in noble gas atomsThe mutual angle formed by the non-collinear polarization axes of two laser pulses is used to control two-photon XUV+IR ionization of noble gas atoms in the process of reconstruction of attosecond…Anatoli S. Kheifets, Zhongtao Xu·Apr 27, 2023SaveLearn
Engineering field-insensitive molecular clock transitions for symmetry violation searchesMolecules are a powerful platform to probe fundamental symmetry violations beyond the Standard Model, as they offer both large amplification factors and robustness against systematic errors. As…Yuiki Takahashi, Chi Zhang, Arian Jadbabaie et al.·Apr 26, 2023SaveLearn
Pulsed CW laser for long-term spectroscopic measurements at high power in deep-UVWe present a novel technique for in-vacuum cavity-enhanced UV spectroscopy that allows nearly continuous measurements over several days, minimizing mirror degradation caused by high-power UV…Nikita Zhadnov, Artem Golovizin, Irene Cortinovis et al.·Apr 26, 2023SaveLearn
Critically Evaluated Atomic Data for Au IV SpectrumThe spectral investigation of the triply ionized gold (Au IV) has been carried out in the wavelength region of 500--2106 . The gold spectra were photographed at the National Institute of…Aashna Zainab, K. Haris, Sébastien Gamrath et al.·Apr 25, 2023SaveLearn
Calibrating the absorption imaging of cold atoms under high magnetic fieldsWe develop a theoretical model for calibrating the absorption imaging of cold atoms under high magnetic fields. Comparing to zero or low magnetic fields, the efficiency of the absorption imaging…Yuqi Liu, Zhongchi Zhang, Shiwan Miao et al.·Apr 25, 2023SaveLearn
Inverse Transform Sampling for Efficient Doppler-Averaged Spectroscopy SimulationsWe present a thermal velocity sampling method for calculating Doppler-broadened atomic spectra, which more efficiently reaches a smooth limit than regular velocity weighted sampling. The method uses…Andrew P. Rotunno, Amy K. Robinson, Nikunjkumar Prajapati et al.·Apr 24, 2023SaveLearn
Higher-order QED corrections to the hyperfine splitting in 3HeWe present a calculation of the hyperfine splitting of the 23S state in the 3He atom with inclusion of all QED effects up to α3EF, where EF is the Fermi splitting. Using the…Vojtěch Patkóš, Vladimir A. Yerokhin, Krzysztof Pachucki·Apr 24, 2023SaveLearn
Table of hyperfine anomaly in atomic systems -- 2023This table is an updated compilation of experimental values of the magnetic hyperfine anomaly in atomic and ionic systems. The literature search covers the period up to December 2022. A short…J. R. Persson·Apr 24, 2023SaveLearn
Semiclassical approximations of photoabsorption cross sections beyond the continuum thresholdWe develop semiclassical approximations for calculating photoabsorption cross sections beyond the continuum threshold in quantum many-body systems. These approximations use the fully…Julien Toulouse·Apr 24, 2023SaveLearn
Enhancement of the laser-induced excitation probability of the hyperfine ground state of muonic hydrogen by a multipass cavity setupWe study the enhancement of the magnetic dipole induced excitation probability of the hyperfine ground state of Doppler-broadened muonic hydrogen (p μ-) by a nanosecond laser pulse in the…Rakesh Mohan Das, Masahiko Iwasaki·Apr 24, 2023SaveLearn