Opacity predictions in plasmas under stellar conditions using deep learningThe aim of this work is to predict the opacity of plasmas under stellar conditions. We focus on iron and nickel, as these elements have been extensively investigated both theoretically and…Djamel Benredjem, Jean-Christophe Pain·Sep 5, 2026SaveLearn
Floquet Interpretation of Avoided Crossings in AC Stark-Shifted Rydberg-EIT SpectraWe present a combined experimental and Floquet-theoretical study of avoided crossings in the AC Stark-shifted electromagnetically induced transparency (EIT) spectra of Rydberg atoms. Observed…Rajavardhan Talashila, Nikunjkumar Prajapati, Noah Schlossberger et al.·Sep 5, 2026SaveLearn
Dead-zone-free free-induction-decay alkali-metal atomic magnetometerThe detection dead zone is an important systematic limitation in scalar atomic magnetometers, constraining their practical utility. In this work, we demonstrate a sensitive dead zone free scalar…X. -K. Wang, J. He, H. -H. Deng et al.·Sep 4, 2026SaveLearn
Analytical model for polarization transfer during gas-phase collision events in spin-exchange optical pumping: Spin-12 129Xe versus spin-32 131XeSpin-exchange optical pumping (SEOP) is a method for producing spin-hyperpolarized noble gas nuclei, such as 129Xe and 131Xe, which are used in various magnetic resonance applications from…Perttu Hilla, Rajgowrav Cheenikundil, Juha Vaara·Sep 4, 2026SaveLearn
Sub-barrier peaks in atom-atom-ion three-body recombinationHybrid atom-ion experiments have recently entered the few-partial wave regime in which magnetically tunable Feshbach resonances dominate the three-body loss dynamics. This necessitates a treatment of…Fabian Thielemann, Joachim Siemund, Tobias Schaetz et al.·Sep 3, 2026SaveLearn
Magnetic Dipole Hyperfine Constants of 15 Energy Levels in 169Tm II Determined by Collinear Laser Fluorescence SpectroscopyWe present measurements of the hyperfine structure, transition frequencies and relative intensities in 14 lines of 169Tm+ ions starting from the 4f13(2\!Fo7/2)6s1/2 (7/2, 1/2)3,4o…Hendrik Bodnar, Kristian König, Wilfried Nörtershäuser·Sep 3, 2026SaveLearn
Low stray-field ion pump configuration for cold atom experimentsIon pumps used in cold-atom experiments generate stray magnetic fields that can perturb magneto-optical trapping, shift Zeeman sensitive energy levels, and introduce systematic errors in precision…Preeti Sharma, Luisa Loranca Cruz, Leonardo Ricci et al.·Sep 3, 2026SaveLearn
A monolithic segmented 3D ion trap fabricated from fused silica by selective laser-induced etchingWe present the design, fabrication, and characterization of a monolithic, segmented, three-dimensional linear Paul ion trap for quantum science applications. The trap is fabricated from a single…Edgar Brucke, Martin Wagener, Moritz Fontboté-Schmidt et al.·Sep 1, 2026SaveLearn
Polarization measurements of the 2s--2p3/2 VUV transition in N4+ excited by electron collisionsWe present the linear polarization of the 2s--2p3/2 transition in Li-like N4+ excited by electron collisions, measured at electron energies between 85 and 1000~eV. The measured…Nobuyuki Nakamura, Ryohko Ishikawa, Motoshi Goto·Sep 1, 2026SaveLearn
Impact of light shift inhomogeneities on the contrast of light pulse atom interferometersWe study the loss of the contrast in an atom interferometer when increasing the duration of Raman mirror pulses, and find the contrast decay rate to increase with the interferometer duration. We…Maxime Pesche, Diego Lancheros Naranjo, Rayan Si-Ahmed et al.·Sep 1, 2026SaveLearn
Collective dressed states for inelastic light scattering by atomic ensemblesWe develop a general dressed-state framework for computing fluorescence spectra, probe absorption spectra, and photon-photon correlations of light scattered by ensembles of Nat two-level…Sébastien Lucas, David Wilkowski, Christian Miniatura et al.·Aug 31, 2026SaveLearn
Cancellation of D2 line transitions of alkali-metal atoms by magnetic-field valuesIn a previous work the π transitions of the D1 line of alkali-metal atoms were shown to cancel at magnetic-field values given by a single closed-form expression. The D2 line has until now…Artur Aleksanyan, Susanna Petrosyan, Emil Gazazyan·Aug 30, 2026SaveLearn
Controlling light shifts in chip-scale atomic beam clocksChip-scale atomic beam clocks are being investigated to extend the range of clock stability achievable in low-power timing applications. Here, we demonstrate a centimeter-scale, Ramsey coherent…Alexander Staron, Mingwu Lu, Ruwan Senaratne et al.·Aug 29, 2026SaveLearn
Estimating the ground-state hyperfine shifts of group-1 atoms due to long-range collisions, static electric fields, and nearby surfacesMany interactions perturb (or shift) the hyperfine coupling in group-1 atoms between their nuclear spin and single valence electron. Previous work provided an approach to estimate this shift for…B. H. McGuyer, K. Choksi, N. VonHeeder et al.·Aug 28, 2026SaveLearn
Photoelectron interferometry with spectrally shaped polychromatic infrared pulsesLaser-assisted photoelectron interferometry is a cornerstone of attosecond science, first used to characterize attosecond pulse trains and later to study photoionization dynamics. Extending this…E. A. Boati, G. Arvidsson, M. Ammitzböll et al.·Aug 28, 2026SaveLearn
Coherently Enhanced Cherenkov Radiation by Highly Relativistic and Ultra-Compact Electron BeamsCherenkov radiation is emitted when charged particles penetrate dielectric media with velocity higher than the speed of light in the medium. Recent developments in plasma-based accelerator research…S. Kim, C. Müller, A. B. Voitkiv·Aug 28, 2026SaveLearn
Quantified absorption of laser light by silver atoms in a hollow-cathode lampWe present a quantitative study of laser absorption on the 52S1/2 → 52P3/2 transition of silver in a hollow-cathode lamp. Spectra obtained using a weak…Matthew P. Wilde, Richard G. Wolfendale, Mark Bengyel et al.·Aug 27, 2026SaveLearn
Influence of Many-Body Dipole-Dipole Interactions on Excitation Transfer in a Dense GasWe study non-radiative dipole-dipole induced excitation transfer in dense Rb vapour. We show that density dependence of characteristic time of the excitation diffusion changes from linear to…A. A. Bobrov, S. A. Saakyan, B. B. Zelener et al.·Aug 27, 2026SaveLearn
Beyond-EUV spectrum of highly-charged gadoliniumWe report ab initio relativistic calculations on the complex Gd18+ and Gd26+ highly-charged ions, which are relevant to beyond-extreme-ultraviolet (BEUV) light sources based on…M. L. Reitsma, J. Sheil, O. O. Versolato et al.·Aug 27, 2026SaveLearn
Measuring the Sr+ 5s1/2 Landé g-factor Using Singlet-Triplet Oscillations in a Circular Rydberg State of StrontiumCircular states of strontium are promising platforms for quantum technologies. They exhibit much longer lifetimes than laser-accessible Rydberg states and possess an optically active ionic core that…Baptiste Muraz, Mathis Pepin, Corentin Guimard et al.·Aug 27, 2026SaveLearn
Robust watt-level continuous-wave deep-ultraviolet lasers near 230 nmContinuous-wave (CW) deep-ultraviolet (DUV) lasers near 230~nm enable laser cooling of AlF, Cd, and Zn, but second-harmonic generation below 237~nm relies in practice on beta-barium borate (BBO),…J. Cai, M. Stoepper, P. Agarwal et al.·Aug 26, 2026SaveLearn
High-density Optical Quantum Sensors with Pulsed Probe Read-out for Correlated Spin-Noise ReductionOptical quantum sensors based on alkali-metal atoms enable highly sensitive magnetic-field measurements at room temperature. Their ultimate performance is limited by intrinsic spin noise once…Igor Savukov, Young Jin Kim·Aug 25, 2026SaveLearn
Measurement of the O- Photodetachment cross-section in the electrostatic storage ring FLSRThe achievable precision of photodetachment studies via tunable laser light has been investigated on circulating oxygen anions at the room-temperature electrostatic low-energy storage ring of…Oliver Forstner, Thorben Niemeyer, Andrey I. Bondarev et al.·Aug 25, 2026SaveLearn
Multi-hour stable trapping and threshold steady state of non-laser-coolable ions with ultracold atoms in a hybrid trapWe report multi-hour stable trapping and steady state of non-laser-coolable Cs+ ions in a linear Paul trap, achieved via resonant charge-exchange (RCE) cooling with a precisely centered…Satyabrata Baidya, Sourav Dutta·Aug 24, 2026SaveLearn
Extreme-ultraviolet spectroscopy using quantum logic: a feasibility study for the 1S-2S transition in singly-ionized heliumExtreme-ultraviolet (XUV) spectroscopy represents an important new direction in precision physics, with potential applications ranging from the metrology of fundamental constants to tests of physics…A. Martínez de Velasco, V. P. J. Barbé, E. L. Gründeman et al.·Aug 24, 2026SaveLearn