Fast Pulses for High-Fidelity Circularization of Interacting Rydberg atomsCircular states in Rydberg atoms offer a promising platform for quantum computation, quantum simulation and quantum sensing. However, the final step of their preparation - termed as circularization,…Matthias Hüls, Aurore A. Young, Clément Sayrin et al.·Jul 6, 2026SaveLearn
Hydrogenic rotational levels with spin-0 or spin-1/2 constituent particlesWe employ nonrelativistic quantum electrodynamics with a unified description of two-body systems with spin-0 or spin-1/2 constituents, arbitrary masses, and arbitrary magnetic moments in rotational…Vojtěch Patkóš, Mateusz Pańtak, Krzysztof Pachucki·Jul 6, 2026SaveLearn
Coherent Molecular Deceleration via Vibrational Bichromatic ForceWe propose a scheme for direct laser deceleration of molecules based on a vibrational transition-mediated bichromatic force (VBCF). By precisely engineering mid-infrared optical fields, we establish…Meng-Yi Yu, Ya-Nan Lv, Cun-Feng Cheng et al.·Jul 6, 2026SaveLearn
Development of a High-Performance Permanent Magnet System for Ion Trapping ExperimentsThis work presents the design and fabrication of a compact permanent magnet based on an optimized stacked structure of fifteen NdFeB rings. The tunable NS-SN-NS configuration generates a central…Jifei Wu, Jiawei Wang, Tianhang Zhang et al.·Jul 3, 2026SaveLearn
Calculation of the energy levels and hyperfine structure for Xe~II, Rn~II, and Og~II ionsEnergy levels, Landé g-factors, and hyperfine-structure constants are calculated for the singly ionized noble-gas atoms Xe II, Rn II, and Og II. The calculations are performed using the…T. H. Dinh, V. A. Dzuba, V. V. Flambaum·Jul 3, 2026SaveLearn
Reconfigurable Bitter-Type Electromagnet for Zeeman SlowingMany Zeeman slower magnets are geometrically captured by a vacuum chamber, preventing modification or repair without breaking vacuum. We describe a Bitter-type electromagnet coil design that can be…Emma G. Hataway, Emma K. Falk, Kaia E. O'Neill et al.·Jul 2, 2026SaveLearn
Helium Ground State Treated in Classical Physics with Classical Zero-Point RadiationThe ground state of the helium atom is considered within classical electrodynamics which includes classical electromagnetic zero-point radiation. Approximate energy balance between energy loss…Timothy H. Boyer·Jul 2, 2026SaveLearn
Microwave shielding of ultracold polar molecules on the transition n=1 → 2We show that microwave shielding on the rotational transition n=1→ 2 can be effective in preventing destructive collisions between ultracold polar molecules. It is slightly less efficient…Joy Dutta, Jeremy M. Hutson·Jul 2, 2026SaveLearn
Identical-Particle Symmetry-Enabled Complete Coherent Control of Ultracold Atomic and Molecular CollisionsWe show that exchange symmetry in collisions of identical particles enables symmetry-protected coherent control of the total scattering cross section. For identical fermions, antisymmetrization…Jing-Chen Zhang, Adrien Devolder, Timur V. Tscherbul et al.·Jul 2, 2026SaveLearn
Characterization of Feshbach resonances in 6Li-7Li using improved interaction potentialsWe characterize Feshbach resonances in all isotopologues of the Li-Li system with improved interaction potentials. Starting from spectroscopically accurate Morse/long-range…Jing-Chen Zhang, Paul Julienne, Yu Liu·Jul 2, 2026SaveLearn
Search for a solar-bound axion halo using the Global Network of Optical Magnetometers for Exotic physics searchesWe report on a search for a gravitationally bound solar axion halo using data from the Global Network of Optical Magnetometers for Exotic physics searches (GNOME), a worldwide array of magnetically…Tatum Z. Wilson, Derek F. Jackson Kimball, Samer Afach et al.·Jul 2, 2026SaveLearn
Cryogenic source of atomic tritium for neutrino-mass measurements and precision spectroscopyWe propose a concept for a cryogenic source of atomic tritium at sub-Kelvin temperatures and energies suitable for magnetic trapping. The source is based on the dissociation of solid molecular T2…Aleksei Semakin, Janne Ahokas, Tom Kiilerich et al.·Jul 2, 2026SaveLearn
Energy Transport Among Highly-Polarized AtomsWe measure the transport of energy among the internal states of ultracold rubidium Rydberg atoms coupled by dipole-dipole exchange. In a magneto-optical trap, a static electric field of a few V/cm…Catherine D. Opsahl, Yuan Jiang, Samantha A. Grubb et al.·Jul 2, 2026SaveLearn
Parts-per-million-accurate determination of the Kα photoionization resonance of Be-like oxygen with resolution of its 16O-18O isotopic shiftWe determine with high accuracy the energy of the inner-shell transition 1s2 2s2~1S0 → 1s~2s2~2p3/2~1P1 16OKα4+ at…Jonas Danisch, Marc Botz, Chintan Shah et al.·Jul 1, 2026SaveLearn
Nondipole Contributions to Attosecond Chiral Photoionization AsymmetriesPhotoelectron circular dichroism (PECD) reads molecular chirality from forward-backward asymmetries in photoelectron emission, but the same observable can also contain non-dipole contributions from…Zheming Zhou, Yang Li, Yueming Zhou et al.·Jul 1, 2026SaveLearn
Nuclear-size correction to the one-loop self-energy in hydrogenlike ionsThe nuclear-size effect on both diagonal and off-diagonal one-loop self-energy matrix elements is considered for hydrogenlike ions with Z=60, 82, 90, and 92. Specifically, the 1s, 2s,…Ping Yang, Aleksei V. Malyshev, Aleksandr N. Kochnev et al.·Jul 1, 2026SaveLearn
Surface charges in a Rydberg atom-nanowaveguide hybrid quantum systemHybrid quantum platforms based on highly excited Rydberg atoms coupled to nanophotonics devices offer a promising route toward scalable quantum networks and integrated quantum technologies. However,…Aswathy Raj, Anna Kortel, Krishna Jadeja et al.·Jul 1, 2026SaveLearn
Correct Asymptotic Wavefunctions for Calculating Photoelectron Angular Distributions of O2- and NO-The ab initio calculation of photoelectron angular distributions (PADs) for negative ions remains a significant theoretical challenge. In this work, we report a joint experimental and theoretical…Wenru Jie, Rui Zhang, Jiayi Chen et al.·Jul 1, 2026SaveLearn
Bound-free electron-positron pair production in combined Coulomb and constant crossed electromagnetic fields: a Schwinger-like process with intrinsic assistanceThe bound-free channel of electron-positron pair production by a highly charged bare ion in the presence of a strong constant crossed electromagnetic field is studied. To calculate the pair…S. Remme, A. Eckey, S. Villalba-Chávez et al.·Jul 1, 2026SaveLearn
New Bounds on Exotic Long-Range Spin-Spin InteractionsMany proposed extensions to the Standard Model of particle physics introduce new bosons that can mediate forces which couple to particle spin. Here we describe a search for such forces coupling…Nathan B. Clayburn, Andrew Glassford, Thomas Uelmen et al.·Jun 30, 2026SaveLearn
Cesium Based Laser-Atomic OscillatorWe report the first demonstration of a laser-atomic oscillator with cesium (Cs) atoms. A laser-atomic oscillator (LAO) is analogous to an active mode-locked laser with a self-excited modulator, i.e.…Saurabh Pandey, Roger Ding, George Burns et al.·Jun 30, 2026SaveLearn
Interplay of the channel-closing and bound-bound transition resonances in multiphoton ionization and harmonic generation in intense laser pulsesIn this paper, using a simplified model of the xenon atom, we numerically study the possibilities of efficient generation of coherent pulses in the XUV range through the resonant interaction of atoms…A. D. Krupin, V. V. Strelkov, M. Yu. Ryabikin·Jun 29, 2026SaveLearn
Modulation theory formulation of atomic light-matter interactionWe provide a re-formulation of the light-matter interaction of trapped-atom systems in terms of classical modulation theory. We introduce commuting ``mean'' quadrature operators together with…Matteo Simoni, Ivan Rojkov, Jonathan Home·Jun 29, 2026SaveLearn
All-Optical Control of Birefringence in a Cold Atomic EnsembleWe demonstrate all-optical control of birefringence in a cold atomic cloud of ytterbium. By optically dressing the excited 3P1 state via an off-resonant coupling to the…Apoorva Apoorva, Naudson Lucas Lopes Matias, Bérengère Pinoche et al.·Jun 29, 2026SaveLearn
Low-lying D states in yttrium and actinium ions highly sensitive to variation of the fine structure constantWhether fundamental constants vary over time or space is one of the key questions in metrology and cosmology. Among them, variation of the fine structure constant α is intensively investigated.…Akio Kawasaki·Jun 29, 2026SaveLearn