In-orbit Test of the Weak Equivalence Principle with Atom InterferometryThe Weak Equivalence Principle (WEP) is a central pillar of general relativity. Its precise test with quantum systems in space offers a unique window onto new physics. Here we report the first…Dan-Fang Zhang, Jing-Ting Li, Wen-Zhang Wang et al.·Mar 24, 2026SaveLearn
Finite-nuclear-size effect for hydrogenlike ions under high external pressureThe influence of pressure on finite-nuclear-size corrections to atomic energy levels and electron-capture decay rate is investigated in confined hydrogenlike ions. The ions are modeled inside an…Dengshan Liu, Huihui Xie, Pengxiang Du et al.·Mar 24, 2026SaveLearn
Standalone optical frequency-offset locking electronics for atomic physicsWe present a standalone frequency-offset locking system for controlling narrow-linewidth lasers using off-the-shelf electronic components. We lock two frequency-doubled 1560 nm lasers to a stable…K. Shalaby, T. Hunt, S. Moir et al.·Mar 23, 2026SaveLearn
Theory Framework for Medium-Mass Muonic AtomsWe present a state-of-the-art theoretical approach for computing bound-state energies in muonic atoms, incorporating improved quantum electrodynamics effects and nuclear polarization corrections with…S. Rathi, I. A. Valuev, Z. Sun et al.·Mar 23, 2026SaveLearn
Precision spectroscopy of a trapped 173Yb+ ion using a bath of ultracold atomsWe demonstrate precision laser spectroscopy of a trapped 173Yb+ ion that is not directly laser cooled by coupling it to ultracold atoms. The atomic bath continuously cools the internal…Egor Kovlakov, Rene Gerritsma·Mar 22, 2026SaveLearn
T-3-shift in a short-baseline atomic interferometer-gravimeterThis paper presents the first experimental observation and investigation of a lineshape-asymmetry-caused shift (LACS) in a short-baseline atomic interferometer-gravimeter. It is shown that this shift…D. N. Kapusta, A. E. Bonert, A. N. Goncharov et al.·Mar 22, 2026SaveLearn
Barium Magnesium Alloy as Source of Atomic Ba for Ion TrappingTrapped atomic ion qubits exhibit long coherence times and high fidelity qubit state preparation, manipulation and detection, making them well-suited for scalable quantum computing applications.…Jane Gunnell, Thomas Griffiths, Boris B. Blinov·Mar 21, 2026SaveLearn
Rotational excitation of asymmetric-top molecular ions by electron impact: application to H2O+, HDO+, and D2O+The rotational excitation of the three asymmetric-top molecular ion isotopologues H2O+, HDO+, and D2O+ is studied theoretically using a combined framework of electron-molecule R-matrix…Joshua Forer·Mar 18, 2026SaveLearn
Design and implementation of a modular laser system for AMO experimentsRobust laser delivery and stabilization are key components in atom-based quantum technologies, such as quantum computing. Moving these technologies towards product-like deployment requires scalable,…Klara Theophilo, Scott J Thomas, Georgina Croft et al.·Mar 18, 2026SaveLearn
Time-resolving the birth of photoelectrons in strong-filed ionization with an isolated attosecond pulseTo time-resolve attosecond electronic dynamics in general photoionization processes, the technique that retrieves the phase of emitted electronic wave packets without intercepting the interactions is…Kunlong Liu, Yidian Tian, Pengcheng Li·Mar 18, 2026SaveLearn
Electron Emission in Antiproton-Hydrogen Interactions Studied with the One-Centre Basis Generator MethodElectron emission from hydrogen atoms induced by antiproton impact at intermediate energies is investigated using the one-centre Basis Generator Method within a semi-classical impact-parameter…Jay Jay Tsui, Tom Kirchner·Mar 18, 2026SaveLearn
Physics-informed neural networks for solving saddle-point equations in strong-field physics with tailored fieldsWe develop an unsupervised physics-informed neural network to solve saddle-point equations (SPEs) governing direct above-threshold ionization (ATI) within the strong-field approximation. This setting…Jiakang Chen, Sufia Hashim, Carla Figueira de Morisson Faria·Mar 18, 2026SaveLearn
Rydberg-State Hopping in a Wavemeter-Locked Dissipative Time-Crystal SystemRydberg-state hopping is demonstrated in a wavemeter-locked two-photon rubidium system (Rb D2 probe at 780 nm and 480 nm coupler), enabling rapid and repeatable switching between the 65S1/2 and…Darmindra Arumugam·Mar 17, 2026SaveLearn
From MOT to BEC using a single crossed-wire pairWe demonstrate a new magneto-optical trap (MOT) configuration using a simple pair of crossed wires rotated at 45 deg and an appropriate bias field to generate a MOT of >108 atoms. The same pair of…Joshua M. Wilson, James A. Stickney, Francisco Fonta et al.·Mar 17, 2026SaveLearn
Towards Collinear Laser Spectroscopy of Radioactive Molecules Utilizing In-trap Produced Molecular Ion BeamMolecules containing short-lived isotopes, namely radioactive molecules, are among the most promising candidates for probing new physics beyond the Standard Model, although their production and…W. C. Mei, S. J. Chen, X. F. Yang et al.·Mar 16, 2026SaveLearn
Vibronic quantum dynamics of ultralong-range high- Rydberg moleculesWe investigate the non-adiabatic quantum dynamics of ultralong-range Rydberg molecules using a vibronically coupled two-channel treatment. The two-channels are composed of coupled trilobite and…Felix Giering, Rohan Srikumar, Peter Schmelcher·Mar 16, 2026SaveLearn
Breakdown of the isotropic asymptotic approximation in two-colour photoionisationThe Wigner delay is defined as the energy derivative of the scattering phase of a particle in a given potential, unveiling the time taken (or gained) due to the interaction. The characterisation of…Sooraj Rajendran, Miguel Benito de Lama, Praveen Kumar Maroju et al.·Mar 16, 2026SaveLearn
Realization of the SI Second Defined by Geometric Mean of Multiple Clock TransitionsThe current definition of the SI second is based on the 133Cs ground-state hyperfine transition in the microwave domain, with the most accurate realizations achieving fractional frequency…Fang Fang, Chaowei Wang, Yani Zuo et al.·Mar 16, 2026SaveLearn
Closed-loop dual-channel atomic beam interferometry beyond the half-fringe limitAtom interferometric inertial sensors offer exceptional sensitivity but are fundamentally constrained by the periodic phase response of matter-wave interference, which imposes an intrinsic…Wei-Chen Jia, Yue Xin, Ke Shen et al.·Mar 16, 2026SaveLearn
High partial waves contribution in calculations of the polyvalent atomsHigh accuracy calculations of atomic properties require using long basis sets. In particular, it is necessary to include large number of partial waves and estimate truncation corrections. The…M. G. Kozlov·Mar 12, 2026SaveLearn
Frequency Comb Behavior of Time Crystals in an RF-Driven Dissipative Rydberg SystemDriven nonlinear oscillators constitute a universal paradigm for understanding synchronization, frequency pulling, and frequency comb formation in nonequilibrium systems. Here, we realize such an…Dixith Manchaiah, William J. Watterson, Christopher L. Holloway·Mar 12, 2026SaveLearn
Calibration of electric fields in low-frequency off-resonant Rydberg receiversWe present results on Rydberg atom-based electric field sensing in the range of 1 kHz - 300 MHz, using a three-photon Rydberg excitation scheme and a transverse electromagnetic (TEM) line waveguide…Baran Kayim, Michael A. Viray, David S. La Mantia et al.·Mar 11, 2026SaveLearn
Partial ionisation cross sections for the binary-encounter Bethe modelThe original binary-encounter Bethe model of Kim and Eugene Rudd (1994 Phys. Rev. A 50 3954-67) has proven to be an accurate analytical representation of total impact ionisation cross sections of…Anthony Jeseněk, Alejandro Luque, Nikolai Lehtinen·Mar 11, 2026SaveLearn
Quantum-logic spectroscopy of forbidden vibrational transitions in single nitrogen molecular ionsElectric-dipole forbidden spectroscopic transitions in atoms form the basis of many advanced implementations of quantum computers, atomic clocks and quantum sensors. Coherently addressing such…Aleksandr Shlykov, Meissa L. Diouf, Richard Karl et al.·Mar 11, 2026SaveLearn
Atomic data benchmarked by Large-scale Multiconfiguration Dirac-Hartree-Fock Calculations for BerylliumThe multiconfiguration Dirac-Hartree-Fock (MCDHF) and relativistic configuration interaction (RCI) methods are used to provide excitation energies, radiative transition data, lifetimes, Lande…Sijie Wu, Shaowei Tian, Ran Si et al.·Mar 11, 2026SaveLearn