Probing a Fifth Force in Muonic Atoms through Lamb Shifts and Hyperfine StructureMotivated by the ATOMKI anomalies in 8Be and 4He transitions, we study X17-induced Lamb shifts and hyperfine splittings in muonic atoms with stable nuclei up to Z <= 15. The bound-state problem is…Xiaoxuan Lin, Qian Wu, Wei Kou et al.·Mar 2, 2026SaveLearn
A vapor-cell clock with fractional frequency reaching 10-16 level stabilityCompact optical clocks with high stability are essential for next-generation frequency standard field applications, from navigation to geodesy, yet existing vapor cell clock systems have remained…Siqi Wu, Zhenqi Zhang, Xingyue Liu et al.·Feb 28, 2026SaveLearn
Atomic Data for Non-Equilibrium Modeling of Kilonovae: The Ionization Properties of Te I - IIIKilonovae, the electromagnetic transients produced from two merging neutron stars, exhibit evolving spectral signatures in ultraviolet, visible, and infrared radiation. Starting around one week…S. Bromley, E. Garbe, N. McElroy et al.·Feb 27, 2026SaveLearn
Simultaneous Detection, Demodulation, and Angle-of-Arrival Determination of Communication Signals Using a Dual Ladder Rydberg ReceiverIn a typical Rydberg mixer, modulated communication signals are detected using a radio frequency (RF) heterodyne technique. The mixer outputs an intermediate frequency (IF), which must be filtered…Stone B. Oliver, Samuel Berweger, Eugeniy E. Mikhailov et al.·Feb 27, 2026SaveLearn
Electric-field control of atom-molecule Feshbach resonancesUltracold molecules provide opportunities for exploring quantum matter, chemical dynamics and information processing thanks to their rich interactions, which can be controlled by external fields.…Mara Meyer zum Alten Borgloh, Jule Heier, Fritz von Gierke et al.·Feb 27, 2026SaveLearn
Hyperfine spectroscopy and laser cooling of the fermionic isotopes 47Ti and 49TiWe report on magneto-optical trapping of the two fermionic isotopes of atomic titanium, 47Ti and 49Ti. Unlike the even mass-number isotopes, which were recently laser cooled, 47Ti and…Jackson Schrott, Scott Eustice, Pouya Sadeghpour et al.·Feb 27, 2026SaveLearn
Full Single-Quantum Control of Particles in Penning Traps for Symmetry Tests at the Quantum LimitThe BASE collaboration aims to measure antimatter systems with the highest precision in order to perform a rigorous test of CPT symmetry and search for physics beyond the Standard Model. As part of…J. M. Cornejo, J. -A. Coenders, A. Lissel et al.·Feb 26, 2026SaveLearn
Stabilization of Rydberg Dissipative Time Crystals Using a Scanning Fabry Perot Interferometer Transfer LockStabilization of laser frequencies is critical for sensitive Rydberg measurements, including in applications such as dissipative time crystal (DTC) dynamics, yet conventional approaches often require…Darmindra Arumugam, Brook Feyissa·Feb 26, 2026SaveLearn
Spectral Phase Pulse Shaping Alters Photoionization TimePhotoionization is a key step in many attosecond processes. Accurately determining the photoionization time delay is critical to understanding electron dynamics during and after ionization and can…J. Aygun, D. Yaacoub, A. L. Harris·Feb 25, 2026SaveLearn
Accurate transition and hyperfine data in Ag I from Multiconfiguration Dirac-Hartree-Fock and Relativistic Coupled-Cluster methodsSilver is a key tracer of the weak r-process in late-type stars. However, when the assumption of local thermodynamic equilibrium (LTE) needs to be relaxed, accurate abundance determinations become…P. Jönsson, B. K. Sahoo, S. Caliskan et al.·Feb 24, 2026SaveLearn
Tune-out wavelength for the thulium atom near 576 nmWe report the theoretical prediction and measurement of a tune-out wavelength for the ground state of the thulium atom in a linearly polarized optical dipole trap with a wavelength of approximately…Ivan Pyrkh, Arjuna Rudnev, Daniil Pershin et al.·Feb 24, 2026SaveLearn
Optimized Phase Masks for Absorption of Ultra-Broadband Pulses by Narrowband Atomic EnsemblesBy combining genetic algorithm and a spatial light modulator we theoretically analyse how to improve a two-photon cascade absorption in atomic ensembles, inspecting the impact of various…L. B. A. Mélo, Daniel Felinto, Marcio H. G. de Miranda·Feb 23, 2026SaveLearn
High-resolution spectroscopy of 162Dy Rydberg levelsHighly excited Rydberg states of lanthanides are a promising, yet largely unexplored, playground for quantum studies. Here, we report on the first high-resolution spectroscopy of 162Dy obtained by…G. Ferioli, P. Lombardi, P. Sekhar et al.·Feb 23, 2026SaveLearn
Rydberg states with a liquid coreWe develop a self-consistent approach that provides an explicit potential for a Rydberg electron whose ionic core consists of a polarizable medium, typically realized with superfluid droplets. The…Juan Carlos Acosta Matos, P. Giannakeas, Jan M. Rost·Feb 20, 2026SaveLearn
The hyperfine interaction as a probe of the microscopic structure of the atomic nucleusThe study of highly charged electronic and muonic hydrogen-like ions, provides an intriguing way to probe the internal structure of their atomic nuclei. In this work, we use nuclear structure…Denis Janković, Jean-Gabriel Hartmann, Johann Bartel et al.·Feb 20, 2026SaveLearn
Time-resolved Electron Momentum Spectroscopy with Ultrashort Electron Pulses: Confined Probing and Effects of Vacuum DispersionPrevious theoretical studies have shown that attosecond electron dynamics can, in principle, be captured in electron momentum spectroscopy (EMS) using ultrashort electron pulses. By including further…Pieter Hessel Harkema, Lars Bojer Madsen·Feb 20, 2026SaveLearn
Parity-Doublet Coherence Times in Optically Trapped Polyatomic MoleculesPolyatomic molecules provide complex internal structures that are ideal for applications in quantum information science, quantum simulation, and precision searches for physics beyond the Standard…Paige Robichaud, Christian Hallas, Junheng Tao et al.·Feb 19, 2026SaveLearn
High-precision Penning-trap spectroscopy of the ground-state spin structure of HD+We present high-precision spectroscopy of the ground-state hyperfine structure of HD+ at 4~T. We determine the bound-electron g factor, ge,bound = -2.002\,278\,540\,96(40), to a…Charlotte M. König, Matthew Bohman, Fabian Heiße et al.·Feb 19, 2026SaveLearn
Formation of Hydroxyl Anion via a 2-Particle 1-Hole Feshbach Resonance in DEA to 2-Propanol: A Joint Experimental and Theoretical StudyAbsolute cross sections for the formation of OH- from 2-propanol (CH3CH(OH)CH3) via dissociative electron attachment (DEA) are reported in the incident electron energy range of 3.5-13 eV. Four…Siddique Ali, Meeneskhi Rana, Soumya Ghosh et al.·Feb 19, 2026SaveLearn
Breit corrections to moderately charged ions in all-orders calculationsThe atomic properties of heavy, moderately-charged ions are important for a wide variety of applications, including precision tests of fundamental physics and for the study and development of atomic…Andoni Skoufris, Benjamin M. Roberts·Feb 19, 2026SaveLearn
Ultracold atoms in a dipole trap in microgravityMost cold atoms experiments in microgravity platforms or in Space are achieved using atom chips, leading to limitations in terms of optical access and inhomogeneous magnetic fields. Optical dipole…Julien Le Mener, Clement Metayer, Vincent Jarlaud et al.·Feb 18, 2026SaveLearn
atomSmltr: a modular Python package to simulate laser cooling setupsWe introduce atomSmltr, a Python package for simulating laser cooling in complex magnetic field and laser beams geometries. The package features a modular design that enables users to easily…Mateo Weill, Andrea Bertoldi, Alexandre Dareau·Feb 18, 2026SaveLearn
Tensor Polarizability of the Nucleus and Angular Mixing in Muonic DeuteriumWe investigate the effects of the tensor polarizability of a nucleus on the bound-state energy levels, and obtain a general formula for the contribution of the tensor polarizability to the energy…G. S. Adkins, U. D. Jentschura·Feb 17, 2026SaveLearn
State-selected preparation of molecular ions for precision measurements in radio-frequency trapsThe application of mass-analyzed threshold ionization (MATI) for the state-selective preparation of molecular ions is presented. Based on photoexcitation of long-lived high-n Rydberg states,…Daniel Y. Knapp, Maximilian Beyer·Feb 17, 2026SaveLearn
Relativistic nuclear recoil effects in hyperfine splitting of hydrogenic systemsFinite nuclear mass (Z\,α)2\,m/M\,EF corrections to the hyperfine splitting in hydrogenic systems are calculated using a combined relativistic heavy particle and nonrelativistic quantum…Jakub Hevler, Andrzej Maroń, Krzysztof Pachucki·Feb 17, 2026SaveLearn