One-loop self-energy using a numerical Green functionWe calculate the one-loop self-energy in hydrogenlike atoms using a numerical Green function obtained by solving the radial Dirac equation in an exponential basis set. The self-energy correction in…Hugo D. Nogueira, Maen Salman, Jean-Philippe Karr·Jul 17, 2026SaveLearn
Harnessing resonant dipolar interactions in a hybrid atom-molecule quantum systemHybrid quantum systems offer a route to combining the complementary strengths of distinct quantum platforms while mitigating their limitations. A particularly promising architecture combines neutral…Daniel K. Ruttley, Tom R. Hepworth, Juan M. García-Garrido et al.·Jul 17, 2026SaveLearn
Three-dimensional three-photon Stark spectroscopy of a single Rb Rydberg atom in an ultrahigh-vacuum glass cell with eight electrodesQuantum computing and quantum simulation with ultracold neutral atoms require Rydberg excitation of individual atoms in atomic arrays. Rydberg states are extremely sensitive to external electric…S. A. Spirin, E. A. Yakshina, A. K. Sologub et al.·Jul 17, 2026SaveLearn
Experimental observation of strong field stabilizationBound quantum states such as atoms can be torn apart by strong oscillating fields. A natural expectation is that stronger fields lead to more certain destruction. In contradiction to this intuition,…Anna R. Dardia, Spencer Walker, Yifei Bai et al.·Jul 17, 2026SaveLearn
Revealing electron-ytterbium interactions through Rydberg molecular spectroscopyDivalent atoms have emerged as powerful alternatives to alkalis in ultracold atom platforms, offering unique advantages arising from their two-electron structure. Among these species, ytterbium (Yb)…Tangi Legrand, Xin Wang, Milena Simić et al.·Jul 17, 2026SaveLearn
Production and spectroscopy of cold radioactive moleculesMolecules with heavy, radioactive nuclei promise extreme sensitivity to fundamental nuclear and particle physics. However, these nuclei are available in limited quantities, which challenges their use…Chandler J. Conn, Phelan Yu, Madison I. Howard et al.·Jul 17, 2026SaveLearn
One more radiative-recoil correction to the Lamb shift in muoniumWe calculate radiative-recoil contribution of order Z2α(Zα)5(m/M)2m to the Lamb shift in muonium. This correction is due to insertion of radiative photons in the heavy line in the two-photon…Michael I. Eides, Valery A. Shelyuto·Jul 16, 2026SaveLearn
Transformation of vector modes by the Faraday effect in strong magnetic fieldsLarge Faraday rotations can be generated by circular birefringence of atomic samples in an axial magnetic field in the vicinity of atomic resonance lines. The Faraday angle is a function of the…Sphinx J. Svensson, Craig J. A. Millar, Danielle Pizzey et al.·Jul 16, 2026SaveLearn
Wichmann-Kroll Correction to the Interelectronic Interaction in He- and Li-Like IonsWe present a theoretical study of the higher-order QED contribution to the interelectronic interaction in He- and Li-like ions, where a virtual electron-positron loop is inserted into the photon line…J. Sommerfeldt, V. A. Yerokhin, Z. Harman et al.·Jul 16, 2026SaveLearn
Electron loss and target excitation in keV-energy proton collisions with B and C+The one-centre Coulomb-Sturmian convergent close-coupling method is applied to proton collisions with the boron atom and singly charged carbon ion. Here we report an update to our target-structure…N. W. Antonio, I. B. Abdurakhmanov, A. Espinosa-Gayosso et al.·Jul 16, 2026SaveLearn
A vacuum-ultraviolet spectropolarimeter for an electron beam ion trapWe have developed a vacuum-ultraviolet spectropolarimeter for an electron beam ion trap (EBIT) to measure the linear polarization of emission lines from multiply charged ions around the Lyman-α…Nobuyuki Nakamura, Ryohko Ishikawa, Motoshi Goto·Jul 16, 2026SaveLearn
Atomic clock frequency ratios with fractional uncertainty ≤ 3.2 × 10-18We report high-precision frequency ratio measurements between optical atomic clocks based on 27Al+, 171Yb, and 87Sr. With total fractional uncertainties at or below $3.2 ×…Alexander Aeppli, Willa J. Arthur-Dworschack, Kyle Beloy et al.·Jul 16, 2026SaveLearn
Rate coefficients for dielectronic recombination of N-like NeDielectronic recombination (DR) for the process Ne3+ + e- → Ne2+ was investigated in a merged-beams arrangement at the heavy-ion storage ring CRYRING@ESR. The…E. -O. Hanu, M. Lestinsky, E. B. Menz et al.·Jul 15, 2026SaveLearn
Ionization rate vs. laser intensity determined from ion count vs. peak intensity due to neutral gas exposure to an 800 nm ultrashort pulsed laserThe optical cycle-averaged ionization rate of Ar, O2, and N2 vs. local instantaneous laser intensity I for linear polarized 800 nm light is determined up to approx. 300 TW/cm2 by…Edward L. Ruden·Jul 15, 2026SaveLearn
A robust and modular cesium magneto-optical trap using diverging laser beamsMagneto-optical traps (MOTs) are a workhorse technology for neutral-atom quantum sensing, simulation, and computing. Here, we demonstrate a MOT optimized for inertial quantum sensing and precision…Paola Luna, Kenneth Nakasone, Andrei Zhukov et al.·Jul 14, 2026SaveLearn
High-fidelity entanglement of polar molecules by dynamic geometric controlIn quantum information systems made of optical tweezer arrays of ultracold molecules, thermal motion of molecules degrades the coherence of their interactions, which limits entanglement fidelity and…Scarlett S. Yu, Avikar Periwal, Jiaqi You et al.·Jul 14, 2026SaveLearn
A cryogenic neutral-atom platform with full optical access and 2-hour trap lifetimeNeutral-atom quantum processors are rapidly scaling toward system sizes of more than ten thousand qubits, allowing for the realization of a new class of quantum computing algorithms and quantum…Akhil Kumar, Lorenzo Festa, Avishay Grinberg et al.·Jul 14, 2026SaveLearn
Optically Derived Radio-Frequency Benchmark in Methanol: A Sub-kHz Reference for Astrophysical Tests of Fundamental PhysicsMethanol radio lines observed in space provide sensitive probes of whether the proton-to-electron mass ratio has changed over cosmic time, but such tests require laboratory rest frequencies with very…Frank M. J. Cozijn, Arthémise Altman, Alexandr S. Bogomolov et al.·Jul 14, 2026SaveLearn
Coherence enhancement of Rydberg polaritonsQuantum nonlinear optics by Rydberg polaritons can enable single-photon transistor and switch, single-photon source, and deterministic quantum information processing. A major hindrance in this study…Xiao-Feng Shi, Yan Lu, Yuechun Jiao et al.·Jul 14, 2026SaveLearn
Development of an electrodynamic balance to study single levitated particles exposed to alkali-metal vaporElectrodynamic balances (EDBs) have been widely used to investigate reactions between levitated particles and background gases. In this paper, we report the development of an EDB that exposes trapped…Akira Kamada, Borjid Jiyatai, Atsushi Hatakeyama·Jul 14, 2026SaveLearn
Determination of atomic number density in MEMS vapor cells via single-pass absorption spectroscopy (SPAS)Micro-electro-mechanical systems (MEMS)-based (chip-scale) alkali vapor cells are key components in emerging quantum technologies, where device performance critically depends on the atomic number…Sumit Achar, Shivam Sinha, Ezhilarasan M et al.·Jul 14, 2026SaveLearn
Ground and excited potential energy surfaces for CaF+Ca interactions and isotope exchange reactionsWe investigate the intermolecular interactions between laser-cooled CaF and Ca, in their ground and excited electronic states, aiming to understand atom-exchange reaction pathways. Using…Dibyendu Sardar, John L. Bohn·Jul 14, 2026SaveLearn
Pr10+ as a candidate for a high-accuracy optical clock for tests of fundamental physicsWe propose In-like Pr10+ as a candidate for the development of a high-accuracy optical clock with high sensitivity to a time variation of the fine-structure constant, ( alpha/alpha, as well as…S. G. Porsev, C. Cheung, M. S. Safronova et al.·Jul 14, 2026SaveLearn
Defect assignment of the clock site in 229Th:CaF2The performance of solid-state 229Th nuclear clocks depends sensitively on the microscopic environment of the thorium nucleus in the host crystal. Here we reassess the dominant…Daniel A. Rehn, Harry W. T. Morgan, Harris E. Mason et al.·Jul 13, 2026SaveLearn
Fourier imaging of collective spontaneous emission modes in superradiant cold atomic cloudsWe measure the spatial pattern associated with the superradiant emission from a cloud of cold 87Rb atoms using Fourier imaging. We observe a highly directional, ring-shaped emission structure, which…Adrien Gavalda, Guillaume Tremblier, Martin Poitrinal et al.·Jul 12, 2026SaveLearn