State-Dependent Diffusion and Spectra of Strongly Driven Thermal AtomsWe propose a state-dependent diffusion model for strongly driven thermal-atom spectra. Starting from the trajectory-dependent internal-state evolution of individual atoms, we derive a closed spatial…Zheng Xiao, Zijie Liu, Suyang Wei et al.·Sep 14, 2026SaveLearn
Diagonal Born--Oppenheimer correction in strong magnetic fields: finite-difference approach for light diatomic moleculesThe influence of the diagonal Born--Oppenheimer correction (DBOC) on the electronic structure of light diatomic molecules subjected to strong magnetic fields is investigated. H2, HeH+, and LiH…J. J. Lopez-Rodriguez, T. Zalialiutdinov, D. Solovyev·Sep 14, 2026SaveLearn
Phase-Sensitive Heterodyne Detection of MW using EIT Harmonics in Rydberg AtomsWe investigate the generation and characterization of higher-order harmonics in the probe-laser absorption arising from nonlinear interactions in an electromagnetically induced transparency (EIT)…Mangesh Bhattarai, Rishav Hui, Sumanta Khan et al.·Sep 14, 2026SaveLearn
Non-orthogonal extension of Graspg - dynamic electron correlation for large and compact active spacesAccurate relativistic multiconfiguration calculations of correlation-sensitive atomic properties are often limited by the rapid growth of configuration state function expansions when a single common…Sijie Wu, Ran Si, Chongyang Chen et al.·Sep 13, 2026SaveLearn
Experimental Ni II Oscillator Strengths for Transitions from 3d84d to 3d84p Levels Measured Using High-resolution Fourier Transform SpectroscopyWe present the first experimentally measured oscillator strengths for Ni II 3d84d - 3d84p transitions. High-resolution Fourier transform spectra were recorded of Ni-He hollow cathode lamps, and…Ruijie Chen, Christian P. Clear, Gillian Nave et al.·Sep 11, 2026SaveLearn
SI-Traceable Calibration and Performance Benchmarking of a Terahertz Photomixer Transmitter-Receiver System Using a Rydberg Atomic SensorAccurate calibration of electromagnetic field strength in the terahertz (THz) frequency regime remains challenging due to the limited availability of SI-traceable field sensors. Here we demonstrate…Alisher Duspayev, Kaitlin R. Moore, Georg Raithel et al.·Sep 10, 2026SaveLearn
Nondipole Coulomb effects in strong x-ray field ionizationAtomic ionization in superintense x-ray fields is studied through numerical solutions of the time-dependent Schrödinger equation including nondipole corrections. The role of the Coulomb potential of…Haoyuan He, Karen Z. Hatsagortsyan, Christoph H. Keitel·Sep 10, 2026SaveLearn
Impact of Raman lasers beam profile inhomogeneities on a spaceborne quantum accelerometerWe report on the study of the impact of laser beam profile inhomogeneities on the acceleration measurements of a quantum accelerometer in space. This sensor uses a low ballistic expansion source…Benoit Kaczmarczuk, Gabriel Ducasse, Louis Pagot et al.·Sep 10, 2026SaveLearn
Kinetic modeling of molecular beam formation in a cryogenic buffer-gas cellCryogenic buffer-gas cells are widely used to produce cold molecular beams, but the microscopic dynamics governing beam formation remain challenging to model. Here we present fully kinetic…Ekkehard Steinmacher, Phillip Groß, Franziska Tuttas et al.·Sep 10, 2026SaveLearn
Non-stick vacuum wall collisions with a laser-coolable moleculeMolecular species that are suitable for direct laser cooling are typically considered lost or destroyed if they collide with an ambient temperature vacuum wall. Here, we study surface collisions with…P. Kukreja, L. A. Rautenberg, J. C. Blumenstock et al.·Sep 10, 2026SaveLearn
Delay-engineered dynamical phases in a programmable non-Markovian spin oscillatorNon-Markovian dynamics offer a new route towards engineering non-equilibrium matter, where memory and feedback act as programmable resources for controlling order in time. Here we report the…L. M. Ellis, L. M. Rushton, J. D. Zipfel et al.·Sep 10, 2026SaveLearn
Deterministic engineering of topological defects in two-dimensional single-species ion Coulomb crystalsWe propose and numerically demonstrate a deterministic protocol for preparing and tailoring topological defects in two-dimensional single-species Coulomb crystals confined in radio-frequency traps.…Luca-Amadeus Rüffert, Hemanth Kalathur, Tanja E. Mehlstäubler·Sep 10, 2026SaveLearn
Narrow-line magneto-optical trap of titanium atomsWe realize narrow-linewidth magneto-optical traps of 46Ti, 48Ti and 50Ti atoms based on a 1040 nm-wavelength transition, cooling atoms to a minimum temperature in one dimension of…Rowan Duim, Scott Eustice, Jackson Schrott et al.·Sep 9, 2026SaveLearn
Miniaturized vacuum package for magneto-optical trapping of strontiumQuantum sensors, like optical lattice clocks, undergo a continuous development from lab-based towards mobile systems. A key aspect in the miniaturization of the experimental setups is the development…Julian Pick, Eric Henker, Florian Löwinger et al.·Sep 9, 2026SaveLearn
A metastable state in Yb+ with lifetime greater than 10 minutesWe find through direct, time-domain measurement of trapped Yb+ ions that the excited 3[11/2]9/2o state has a collision-free lifetime of 17.8(6) min, long enough for use in atomic…Hassan Farhat, William Liu, Wesley C. Campbell·Sep 8, 2026SaveLearn
Simultaneous sub-Doppler laser cooling and optical trapping of bosonic 39K-133Cs and 41K-133Cs mixturesWe report simultaneous sub-Doppler cooling and optical dipole trapping of 39K-Cs and 41K-Cs mixtures. Both mixtures are cooled to temperatures 10 μK, achieving performance…Mateusz Bocheński, Jakub Dobosz, Koray Dinçer et al.·Sep 8, 2026SaveLearn
Hyperfine-driven polarization effects in elastic muon scattering by atomic nucleiWe present a theoretical study of polarization dynamics in the elastic scattering of muons and antimuons by high-magnetic-moment atomic nuclei, using 83209Bi as a benchmark. The analysis…Ivan A. Moiseev, Daria M. Vasileva, Konstantin N. Lyashchenko et al.·Sep 8, 2026SaveLearn
Nonlinear dynamics in an artificial feedback spin maser II: dependence on feedback configurations and time crystal effectsArtificial feedback spin masers exhibit rich nonlinear dynamics, yet a systematic framework for understanding and controlling their behaviors remains elusive. In this paper, we consider the polarity…Lan Wu, Qingchang Li, Weiyu Wang et al.·Sep 8, 2026SaveLearn
Ultralow Frequency Magnetic Comb Using Pulse Modulated Spin MaserFrequency combs are widely used in fundamental physics and practical applications at various areas. Here we report the realization of an ultralow frequency magnetic comb using a pulse modulated spin…Weiyu Wang, Qingchang Li, Erwei Li et al.·Sep 8, 2026SaveLearn
Nuclear slowing-down factors in alkali-metal vaporsNuclear slowing-down factors account for the sharing of angular momentum between the electron and the nucleus in the effective Bloch description of alkali-metal spin dynamics in the…Vasiliki Koutrouli, Georgios Vasilakis, Kostas Mouloudakis·Sep 8, 2026SaveLearn
A Portable Dual-Color Two-Photon Rubidium Optical Frequency StandardPortable atomic clocks are essential in a wide variety of applications, most notably in the operation of global navigation satellite systems. Existing portable atomic clocks utilizing microwave-based…Sarah K. Scholten, Emily Ahern, Clayton Locke et al.·Sep 8, 2026SaveLearn
Magnetic characterization of electronic components for portable atomic sensors using a zero-field optically pumped magnetometry platformWe present a zero-field optically pumped magnetometry platform for magnetic characterization of a photodetector (PD) board and a resistance temperature detector (RTD) used in a portable atomic…Hyeonjae Kim, Sangkyung Lee, Sin Hyuk Yim et al.·Sep 7, 2026SaveLearn
Observation of the liquid-gas transition in trapped ionsPrecision metrology, quantum information, and quantum-controlled chemistry studies all have many implementations in trapped ion systems that require a precise understanding of the motional dynamics…Eliana Ruth Wallach, Yohay Halfon, Yosef Alkoby et al.·Sep 6, 2026SaveLearn
Roadmap on Quantum Sensors for Vacuum MetrologyWe describe how laser-cooled and trapped alkali-metal atoms have been used as pressure sensors in the high- and ultra-high-vacuum regimes operating with relative uncertainties of just over a percent…D. S. Barker, J. L. Booth, S. P. Eckel et al.·Sep 6, 2026SaveLearn
Floquet-sideband-enhanced shortwave electrometry with Rydberg atomsRydberg atomic electric-field sensors, under the framework of optical excitation and readout, can overcome the size-to-wavelength constraint imposed by the Chu limit. However, their sensitivity for…Jiaqi Yuan, Yunlong Xue, Yongjie Cheng et al.·Sep 6, 2026SaveLearn