A continuous-wave vacuum ultraviolet laser for the nuclear clockThe exceptionally low-energy isomeric transition in 229Th at around 148.4 nm offers a unique opportunity for coherent nuclear control and the realisation of a nuclear clock. Recent advances,…Qi Xiao, Gleb Penyazkov, Xiangliang Li et al.·Jul 25, 2025SaveLearn
Relativistic Calculations of Energy Levels, Field Shift Factors, and Polarizabilities of Mercury and CoperniciumMercury (Hg) and superheavy element copernicium (Cn) are investigated using equation-of-motion relativistic coupled-cluster (EOM-RCC) and configuration interaction plus many-body perturbation theory…Hongxu Liu, Jize Han, Yanmei Yu et al.·Jul 24, 2025SaveLearn
Experimental and theoretical characterisation of Stokes polarimetry of the potassium D1 line with neon buffer gas broadeningThis study presents a comprehensive experimental and theoretical characterisation of Stokes polarimetry in potassium (K) vapour on the D1 line. Measurements were performed in the weak-probe regime,…Sharaa A. Alqarni, Danielle Pizzey, Steven A. Wrathmall et al.·Jul 24, 2025SaveLearn
Dichroic Electron Emission Patterns from Oriented Helium IonsWe report a joint experimental and theoretical study using a combination of polarization-controlled free-electron-laser (FEL) and near-infra\-red (NIR) pulses in a synchronized two-color…Niclas Wieland, Klaus Bartschat, Filippa Dudda et al.·Jul 23, 2025SaveLearn
Scattering Angle Dependence of Fano Resonance Profiles in Cold Atomic Collisions Analyzed with the Complex Valued w ParameterThe scattering angle dependence of Fano resonance profiles in cold atomic collisions has been theoretically studied. A complex-valued parameter w with an analytical formula describing the…Tanmay Singh, Raj Aryan Singh, Fumihiro Koike et al.·Jul 23, 2025SaveLearn
Single-photon loading of polar molecules into an optical trapWe propose a scheme to transfer molecules from a slow beam into an optical trap using only a single photon absorption and emission cycle. The efficiency of such a scheme is numerically explored for…Bart J. Schellenberg, Eifion H. Prinsen, Janko Nauta et al.·Jul 23, 2025SaveLearn
Quasi-Contact Forces with Resonant Range Control in Rydberg AtomsWe introduce a novel method to engineer sharply peaked, distance-selective interactions between neutral atoms by exploiting interaction-induced resonances within a resonantly driven Rydberg ladder…Mohammadsadegh Khazali·Jul 23, 2025SaveLearn
Super-Enhanced Absorption of Gravitons in Atomic GasesWe present a novel method for detecting gravitons using an atomic gas supported by laser fields. Despite the coupling strength of gravitons to atomic transitions being orders of magnitude weaker than…Yongle Yu·Jul 23, 2025SaveLearn
Sub-Doppler cooling of bosonic strontium in a two-color MOTWe report a two-color magneto-optical trap that continuously operates on the (5s2)\:1S0-(5s5p)\:1P1 and (5s5p)\:3P2-(5s5d)\:3D3 transitions in 88Sr. Owing…Milán János Negyedi, Shubha Deutschle, Florian Jessen et al.·Jul 23, 2025SaveLearn
Ionic photofragmentation cross sections of the HS+ H2S+ and HCl+ molecular ions near the 2p thresholdThe absolute cross sections for the production of X2+ and X3+ ions following absorption of monochromatized SOLEIL synchrotron radiation by the HX+ hydride molecular ions (X = S,Cl) are presented as a…Jean-Paul Mosnier, Eugene T. Kennedy, Denis Cubaynes et al.·Jul 22, 2025SaveLearn
Probing subradiant dynamics in cold atomic ensembles via population and emitted light measurementsIn this letter, we report on the time- and space-resolved measurement of subradiant excited state population in an ultra-cold atomic cloud of 174Yb atoms. We use a depletion imaging technique that…Antoine Glicenstein, Daniel Benedicto Orenes, Apoorva Apoorva et al.·Jul 22, 2025SaveLearn
Lande g-factor measurements for the 5d6s 3D2 hyperfine levels of 176Lu+We report measurements of the Lande g-factors for the 5d6s 3D2 hyperfine levels of 176Lu+ to a fractional inaccuracy of 5× 10-7. Combining these measurements with theoretical…Qi Zhao, M. D. K. Lee, Qin Qichen et al.·Jul 22, 2025SaveLearn
Ionisation potentials and energy levels of ions of heavy and superheavy elements Te, I, Po, At, Lv and TsWe calculate the energy levels and successive ionisation potentials (IPs) of ions of the three heaviest known Group 16 and 17 elements using a theoretical approach that combines the linearised…G. K. Vong, V. A. Dzuba, V. V. Flambaum·Jul 22, 2025SaveLearn
A Robust COTS Objective for Diffraction-Limited, High-NA, Long Front Working Distance ImagingWe present a robust objective lens optimized for applications requiring both high numerical aperture (NA) and long front working distance imaging comprised of all commercial-off-the-shelf (COTS)…Jiafeng Cui, Gilles Buchs, Christopher M. Seck·Jul 21, 2025SaveLearn
Multipole decomposition of the thermal one-loop self-energy correction for a bound atomic electronIn this paper, we present a comprehensive analysis of the one-loop self-energy correction at finite temperature for the bound electron. In this approach, we study the influence of thermal radiation…J. J. Lopez-Rodriguez, A. Bobylev, P. Kvasov et al.·Jul 21, 2025SaveLearn
Nuclear-spin-related properties of~the dual-frequency Doppler-free resonanceWe investigate the dual-frequency Doppler-free resonance in the D1 line of alkali-metal atoms for any accessible value of the nuclear spin I. The consideration is performed using the symmetries of…E. A. Tsygankov, K. M. Sabakar, D. S. Chuchelov et al.·Jul 19, 2025SaveLearn
Transportable strontium lattice clock with 4 × 10-19 blackbody radiation shift uncertaintyWe describe a transportable optical lattice clock based on the 1S0 → 3P0 transition of lattice-trapped 87Sr atoms with a total systematic uncertainty of $2.1…I. Nosske, C. Vishwakarma, T. Lücke et al.·Jul 18, 2025SaveLearn
Splitting of the three-body F\"orster resonance in Rb Rydberg atoms as a measure of dipole-dipole interaction strengthThree-body F\"orster resonances controlled by a dc electric field are of interest for the implementation of three-qubit quantum gates with single atoms in optical traps using their laser excitation…I. I. Ryabtsev, I. N. Ashkarin, I. I. Beterov et al.·Jul 18, 2025SaveLearn
Magnetic Feshbach resonances in Ba++Li collisions due to strong spin-orbit couplingWe report a pronounced dependence of magnetic Feshbach resonance spectra on the initial hyperfine-Zeeman state of Li in ultracold 138Ba++6Li collisions. The measured number and…Masato Morita, Joachim Siemund, Wei Wu et al.·Jul 17, 2025SaveLearn
Towards a fictitious magnetic field trap for both ground and Rydberg state 87Rb atoms via the evanescent field of an optical nanofibreCold Rydberg atoms, known for their long lifetimes and strong dipole-dipole interactions that lead to the Rydberg blockade phenomenon, are among the most promising platforms for quantum simulations,…Alexey Vylegzhanin, Dylan J. Brown, Danil F. Kornovan et al.·Jul 17, 2025SaveLearn
Chirped magneto-optical trap of molybdenumWe have directly loaded a cryogenic beam of molybdenum atoms into a magneto-optical trap. By chirping the detuning of the trapping lasers, we were able to enhance the number of atoms loaded into the…Sai Naga Manoj Paladugu, Nickolas Pilgram, Stephen Eckel et al.·Jul 16, 2025SaveLearn
Variational studies of ro-vibrational spectra of DT+ and T2+ ionsIn this work we study the last two hydrogen molecular ion isotopologues: DT+ and T2+, for which high-precision calculations have not yet been made. We obtain the nonrelativistic solutions of…D. T. Aznabayev, D. B. Zhomartova, A. K. Bekbaev et al.·Jul 16, 2025SaveLearn
Hyperfine van der Waals repulsion between open-shell polar moleculesWe describe a novel type of interaction between open-shell polar molecules at sub-millikelvin temperatures. This hyperfine van der Waals interaction occurs between two molecules in two rotational…Etienne F. Walraven, Tijs Karman·Jul 16, 2025SaveLearn
Convergent close-coupling approach to ion collisions with multi-electron targets: Application to p + C collisionsThe single-centre convergent close-coupling approach to ion-atom collisions has been extended to model collisions involving arbitrary multi-electron atoms and partially stripped ions. This is…N. W. Antonio, A. S. Kadyrov·Jul 16, 2025SaveLearn
Trajectory-based models in strong-field physicsWe review various semiclassical models for strong-field physics. These semiclassical models employ ensembles of classical trajectories to simulate electron motion in the continuum after being…Nikolay Shvetsov-Shilovski·Jul 15, 2025SaveLearn