Nuclear Spin Oscillator Based on 3He to Search for Exotic Spin CouplingWe describe an experimental investigation of a nuclear spin oscillator based on 3He nuclei as a possible detector to search for exotic spin couplings. A magnetically shielded vapor cell comprised…Heather R. Pearson, Anna Molodtsova, Sage C. Weisrock et al.·Aug 5, 2026SaveLearn
Collective tunnel ionization in atomic systemsWe present a theory of the collective tunnel effect in atomic systems subject to strong low-frequency laser fields. Using an analytic semi-classical method and numerical solution to the…D. I. Tyurin, V. V. Strelkov, S. V. Popruzhenko·Aug 4, 2026SaveLearn
Enhanced coherence of rare-earth nuclear spins in a crystalRare-earth ions in crystals are useful in precision measurements and quantum information science because of their exceptional optical and spin coherence properties. We show that the nuclear spin…Bassam Nima, Yuiki Takahashi, Amar Vutha·Aug 4, 2026SaveLearn
A single atom emitting resonance fluorescence into a coherent beam, and its use for non-destructive atom thermometryUsing a far-off-resonance optical dipole trap, we place a single neutral 87Rb atom in a weak, atom-resonant coherent beam, while also strongly illuminating it from an orthogonal direction to…Tomáš Lamich, Laura Zarraoa, Sondos Elsehimy et al.·Aug 4, 2026SaveLearn
Nuclear Charge Radii of Sr Isotopes: Reevaluation based on Transition Frequency Measurements in the 5s-5p-4d manifold in Sr+High-precision quasi-simultaneous collinear and anticollinear laser spectroscopy was performed on the 5s\,2S1/2→ 5p\,2P1/2 (D1), 5s\,2S1/2→ 5p\,2P3/2 (D2), and…J. Palmes, K. König, B. K. Sahoo et al.·Aug 4, 2026SaveLearn
Measurement and control of the interaction frequency shift in bosonic optical lattice clocksWe report precise measurements of inter-level interactions in a bosonic optical lattice clock based on 88Sr atoms. We observe a nonlinear density dependence of the clock shift, even without…J. P. Salvatierra, M. Barbiero, G. Bertaina et al.·Aug 3, 2026SaveLearn
Interspecies clock comparison below 5 × 10-18 uncertainty with a transportable clockWe report a measurement of the optical frequency ratio between the 2S1/2(F=0)--2F7/2(F=3) electric-octupole (E3) transition of 171Yb+ and the…Chetan Vishwakarma, Ingo Nosske, Tim Lücke et al.·Aug 3, 2026SaveLearn
A termolecular reaction theory for gas-phase nucleation based on long-range intermolecular forcesThe birth of a new phase is usually described thermodynamically, but in the gas phase it begins as chemistry. Here, we show that gas-phase nucleation can be described as a termolecular reaction…Yu Wang, Arnab Choudhury, Felix Graber et al.·Aug 3, 2026SaveLearn
Measuring Interaction-Induced Energy Shifts of Rydberg Atoms in Hot VaporWe demonstrate a method to measure energy shifts of the top level in a four-level ladder setup induced by atom interactions in thermal vapors. It utilizes the observation of two transmission minima…Tomasz Prokop, Bartosz Kasza, Wojciech Wasilewski et al.·Aug 3, 2026SaveLearn
In situ magnetic-field stabilization for quantum-gas experimentsWe demonstrate a minimally-destructive in situ technique for measuring and stabilizing slowly-drifting magnetic fields in ultracold-atom experiments. While conventional magnetic-field sensors such as…E. Gvozdiovas, A. Valdés-Curiel, Q. -Y. Liang et al.·Aug 3, 2026SaveLearn
Phase-continuous comparison of three all-optical time scales over 20 daysOptical frequency standards have progressed rapidly over the past two decades, leading to the anticipated redefinition of the SI second by an optical frequency. However, time scales have not yet…Dahyeon Lee, Kyungtae Kim, Zoey Z. Hu et al.·Aug 2, 2026SaveLearn
Spectroscopy of the Hyperfine Structure of HD+ in Rotationally Excited States with 10-ppb UncertaintyWe report the first measurement of the total hyperfine interval in the manifold of the (v=0,L=3) rovibrational state of HD+ using microwave spectroscopy of HD+ ions in a linear Paul trap. To…D. Kliukin, V. Barbé, T. Klijn Velderman et al.·Aug 1, 2026SaveLearn
Limit on the nuclear Schiff moment of europium-153The Schiff moment of a nucleus is a symmetry-violating nuclear moment that indicates new physics beyond the Standard Model. We place the limit, |S(153Eu)| < 1.7 × 10-8…Bassam Nima, Mingyu Fan, Xubo Wang et al.·Aug 1, 2026SaveLearn
Strontium 1S0\!→\!1P1 transition frequency measurements assisted by a photonic grating chipWe measure the absolute frequency of the 1S0\!→\!1P1 transition in strontium using two methods: fluorescence spectroscopy of a thermal atomic beam source from a compact…Jaewhan Lee, Hyun Gyung Lee, Won-Kyu Lee et al.·Jul 31, 2026SaveLearn
Deterministic loading of molecular arrays by microwave-assisted collisionsMolecular tweezer arrays offer great prospects for quantum simulation, sensing, and computing, and would benefit from methods that enhance loading efficiency. Whereas light-assisted collisions…Etienne F. Walraven, Kang Feng, Jonas Rodewald et al.·Jul 31, 2026SaveLearn
Light-induced spin-polarized desorption of Rb atoms from Co surfacesThe spin polarization of Rb atoms undergoing light-induced desorption from a spin-polarized Co (110) surface was investigated. Desorption induced by pulsed UV-light irradiation was driven by a…Kanta Asakawa, Naoki Tanabe, Oki Watanabe et al.·Jul 31, 2026SaveLearn
Collimation of dense atomic beams by Swept Velocity ShelvingEngineering continuous, high-flux, and collimated atomic beams is a useful resource for metrology and material deposition. Developments in this area have been essential for the evolution of cold-atom…Francesca Famà, Benedikt Heizenreder, Ananya Sitaram et al.·Jul 30, 2026SaveLearn
Optical Dipole Trap for Hg AtomsWe report the first realization of an optical dipole trap (ODT) for ultracold mercury atoms, overcoming the challenge posed by the exceptionally low polarizability of Hg and the resulting weak…I. Nandi, A. Sahu, M. Veis et al.·Jul 30, 2026SaveLearn
What is a Schiff moment anyway?Schiff moments of atomic nuclei are of considerable interest to experiments searching for undiscovered new physics that breaks time-reversal symmetry. I develop a simple picture of the Schiff moment…Amar Vutha·Jul 30, 2026SaveLearn
Tackling the uncertainty of the nuclear-polarization correction to the bound-electron g factor by means of the nuclear Skyrme interactionThe Coulomb part of the leading-order nuclear-polarization correction to the bound-electron g factor of hydrogenlike ions is investigated in a microscopic approach from the nuclear point of view.…Arnab Choudhury, Igor A. Valuev·Jul 29, 2026SaveLearn
Higher-order corrections to the field shift in atomic systemsDifferences in nuclear charge distributions between isotopes lead to small changes in atomic spectra known as the field shift. While largely proportional to the change in the mean-square nuclear…V. A. Yerokhin, Z. Harman, C. H. Keitel·Jul 29, 2026SaveLearn
Trap-Quenched Matter-Wave Optics in SpaceDual-species atomic sources in space promise to be the testbed for a multitude of searches in quantum gas physics such as a precise test of the Universality of Free Fall (UFF), few-body physics, cold…Gabriel Müller, Timothé Estrampes, Claudia Puertas González et al.·Jul 29, 2026SaveLearn
Zero crossings of the differential scalar polarizability of Ba+ clock transitionThe differential scalar polarizability Δα0(ω) of the Ba+ S1/2-to-D5/2 clock transition has a zero crossing near 481nm, which is measured to be 623.603\,13(17)\,THz. From this…N Jayjong, M D K Lee, K J Arnold et al.·Jul 29, 2026SaveLearn
Theoretical and experimental study of the correlation between pulsed light repetition frequency and electric field measurementWe propose a novel approach for improving the performance of Rydberg atom sensors by utilizing the repetition frequency of pulsed lasers, which has been validated through experimental testing.…Ke Di, Chenglin Ye, Meihui Liu et al.·Jul 29, 2026SaveLearn
Experiments with interacting ultracold polar moleculesUltracold polar molecules have emerged as an exciting platform for experiments in quantum science, with many proposed applications seeking to leverage the existence of long-range dipolar interactions…Philip D. Gregory, Jonathan M. Mortlock, Daniel K. Ruttley et al.·Jul 28, 2026SaveLearn