Highly correlated electronic bounding and spin effect: confirmation of an autodetaching state of O-The existence of an auto-detaching state of O- with a lifetime on the scale of a hundred nanoseconds is demonstrated both experimentally and theoretically. The O- lifetime values are determined…Marcelo M. Sant'Anna, Aldo A. Martínes-Calderón, Ginette Jalbert et al.·Feb 17, 2026SaveLearn
Strong Collective Chiroptical Response from Electric-Dipole Interactions in Atomic SystemsChiroptical responses in atomic systems are usually weak, as they arise from the interference between electric- and much weaker magnetic-dipole transitions. We show that atoms arranged in chiral…Marcella L. Xavier, Felipe A. Pinheiro, Romain Bachelard·Feb 16, 2026SaveLearn
Multielectron ionization in O2+ driven by intense infrared laser pulsesWe extend a recently developed three-dimensional semiclassical model [https://journals.aps.org/pra/abstract/10.1103/PhysRevA.109.033106Phys. Rev. A 109, 033106 (2024)] to study…Georgios Petros Katsoulis, Agapi Emmanouilidou·Feb 16, 2026SaveLearn
Sub-part-per-trillion test of the Standard Model with atomic hydrogenQuantum electrodynamics (QED), the first relativistic quantum field theory, describes light-matter interactions at a fundamental level and is one of the pillars of the Standard Model (SM). Through…Lothar Maisenbacher, Vitaly Wirthl, Arthur Matveev et al.·Feb 16, 2026SaveLearn
Direct Measurement of the 5s5p\,1P1 5s4d\,1D2 Decay Rate in StrontiumWe report the first direct experimental determination of the branching ratio of the 5s4d\,1D2 5s5p\,3P2 transition and the decay rate of the 5s5p\,1P1 5s4d\,1D2 transition…Naohiro Okamoto, Takatoshi Aoki, Yoshio Torii·Feb 15, 2026SaveLearn
Predicting the energies of Cf17+ for an optical clockHighly charged ions (HCIs) combine compact electronic structure with strong relativistic effects, offering both robustness against external perturbations and enhanced sensitivity to variations of the…S. G. Porsev, M. S. Safronova·Feb 14, 2026SaveLearn
Sympathetic cooling of charged particles in Penning traps using electron cyclotron radiationWe present a new technique for cooling arbitrary charged particles in a Penning trap by utilizing self-cooled electrons stored in a separate, macroscopically distant Penning trap as the cooling…Jost Herkenhoff, Jonathan Notter, Klaus Blaum·Feb 13, 2026SaveLearn
Measurements of diffusion coefficients for rubidium--inert gas mixtures using coherent scattering from optically pumped population gratingsWe present comprehensive determinations of the diffusion coefficients D at T=24\, for trace amounts of naturally abundant Rb atoms in inert, naturally abundant He, Ne, N2, Ar, Kr, and…Alexander Pouliot, Eduardo Chomen Ramos, Gehrig Carlse et al.·Feb 12, 2026SaveLearn
Synthetic Gauge Phase in Rydberg Electromagnetically Induced TransparencyWe demonstrate a synthetic gauge phase in Rydberg electromagnetically induced transparency (EIT) using room-temperature rubidium vapor. By exploiting polarization selection rules in a ladder-type…Ya-Dong Hu, Yi-Chen Zhang, Qing-Xuan Jie et al.·Feb 12, 2026SaveLearn
Nonlinear optical spectra from Rydberg-mediated photon-photon interactionsWhile Rydberg-Rydberg interactions are essential for quantum nonlinear optics and quantum information processing, their role in microwave and radio-frequency sensing remains poorly understood. Here…Xinghan Wang, Yupeng Wang, Aishik Panja et al.·Feb 12, 2026SaveLearn
Magnetic resonance in quantum computing and in accurate measurements of the nuclear moments of atoms and moleculesModern experimental techniques can generate magnetic fields of the form H(t) = H0 z-hat + H1 [x-hat cos(ωt) + y-hat sin(ωt)], at frequencies within an order of magnitude of the nuclear…Zhichen Liu, Richard A. Klemm·Feb 11, 2026SaveLearn
Probe-assisted Depopulation Pumping in Low-pressure Alkali-metal Vapor Cells for MagnetometryFor precision atomic magnetometry, inert buffer gas is included in alkali-metal vapor cells to significantly broaden hyperfine transitions, which facilitates optical pumping and reduces diffusive…M. E. Limes, J. Smoot, J. Perez et al.·Feb 11, 2026SaveLearn
High-voltage generation system for a traveling-wave Stark deceleratorIn this paper we describe the high-voltage generation system we have developed for a traveling-wave Stark decelerator (TWSD). The TWSD can reduce the forward velocity of a molecular beam of heavy…Lucas van Sloten, Leo Huisman, Steven Hoekstra·Feb 11, 2026SaveLearn
Electron-impact cross sections for dissociation processes of vibrationally excited CH radicalThis paper presents a theoretical investigation of the cross sections for dissociative electron attachment and dissociative excitation processes in vibrationally excited CH radicals induced by…O. Abidi, I. Jendoubi, M. Telmini et al.·Feb 11, 2026SaveLearn
Testing Exotic Electron-Electron Interactions with the Helium Ionization-Energy AnomalyPrecision atomic spectroscopy provides a sensitive probe of physics beyond the Standard Model. A recently reported 9σ theory-experiment discrepancy in the ionization energy of metastable…Lei Cong, Filip Ficek, Rinat Abdullin et al.·Feb 10, 2026SaveLearn
Simple Magneto-Optical and Magnetic Traps for DysprosiumDysprosium (Dy) is the most magnetic element on the periodic table, making it excellent for studying dipolar atom-atom interactions. We report on a simple Dy MOT that captures atoms directly from the…Liam Domett-Potts, Lucile Sanchez, Charlotte Hayton et al.·Feb 10, 2026SaveLearn
A narrow-linewidth Brillouin laser for a two-photon rubidium frequency standardHigh precision portable and deployable frequency standards are required for modern navigation and communication technologies. Optical frequency standards are attractive for their improved stability…Kyle W. Martin, River Beard, Andrei Isichenko et al.·Feb 10, 2026SaveLearn
Sub-hertz optical transitions in excited Yb+We present the observation of three semi-forbidden transitions in singly-ionized ytterbium from the metastable 2Fo7/2 state. Owing to the long lifetimes of both the upper and lower…Patrick McMillin, Hassan Farhat, William Liu et al.·Feb 7, 2026SaveLearn
Two-photon-excited fluorescence spectroscopy of Rb atoms in a magneto-optical trapWe report the results of two-photon-excited fluorescence (TPEF) measurements of the 5S1/2 → 5D5/2 transition of 85Rb and 87Rb cooled in a magneto-optical…Alan McLean, Christian Drago, Daniel Podos et al.·Feb 6, 2026SaveLearn
Proton-Size Resolution of the Hyperfine Puzzle in HydrogenBaym and Farrar (arXiv:2601.02300v1) have recently pointed out a puzzle in understanding the role of the hyperfine interaction in the ground state of a hydrogen atom. If one uses a variational wave…Gerald A. Miller·Feb 6, 2026SaveLearn
Stability, degeneracy, and scalability of a 600-site cavity array microscopeOptical cavities are a foundational technology for controlling light-matter interactions. While interfacing a single cavity to either an atom or ensemble has become a standard tool, the advent of…Anna Soper, Danial Shadmany, Adam L. Shaw et al.·Feb 6, 2026SaveLearn
Sawtooth wave adiabatic passage in a grating magneto-optical trapWe demonstrate sawtooth wave adiabatic passage (SWAP) in a grating magneto-optical trap (MOT) operating on the 1S0 → 3P1 transition of neutral 88Sr. From numerical…Peter K. Elgee, Ananya Sitaram, Sara Ahanchi et al.·Feb 5, 2026SaveLearn
Retrieval of the nuclear motion in a molecule from photoelectron momentum distributions using non-Born-Oppenheimer quantum dynamics and deep learningBy using a neural network that takes momentum distributions of photoelectrons produced in strong-field ionization as input, we retrieve the time-dependent bond length of a dissociating…N. I. Shvetsov-Shilovski, M. Lein·Feb 5, 2026SaveLearn
A Comparative Study of Correlation and Relativistic Effects on Atomic Ionization EnergyThis study investigates the interplay between relativistic effects and electron correlation effects on the first ionization energies of heavy atoms (Au through Rn, Z = 79-86). We perform two…Mohamed Kahil, Fatima Fakih, Nabil Joudieh et al.·Feb 5, 2026SaveLearn
Direct comparison of multi-ion optical clocks based on 40Ca+ and 88Sr+We report the first direct frequency comparison between two multi-ion optical clocks based on the S1/2 to D5/2 transition in and ions. Using linear chains of up to nine ions and…Yosef Sokolik, Roee Ozeri, Nitzan Akerman·Feb 5, 2026SaveLearn