FPGA-based disturbance-observer servo for broadband noise suppression in laser frequency stabilizationWe have demonstrated broadband frequency-noise suppression in a laser stabilization system by augmenting a conventional proportional-integral-derivative (PID) controller with a digital disturbance…Meung Ho Seo, Jae Hoon Lee, Young-Ho Park et al.·May 25, 2026SaveLearn
The Pseudospectral Method for the Dirac Equation with Confining PotentialWe observe that solving the Dirac equation for confined potentials using the generalized pseudospectral (GPS) method leads to deteriorating convergence of energy eigenvalues and highly oscillatory in…Dengshan Liu, Huihui Xie, Pengxiang Du et al.·May 25, 2026SaveLearn
Elimination of angular dependency in the quantum three-body problem made easyWe present a systematic account of the separation of the angular degrees of freedom from the nonrelativistic Schrödinger equation for a three-body quantum system with arbitrary masses, charges, total…Anjan Sadhukhan, Grzegorz Pestka, Rafał Podeszwa et al.·May 25, 2026SaveLearn
Vapor-Cell-Induced Uncertainty in Rydberg Atom Measurements via the Electric-Field Volume-Integral-Equation MethodElectromagnetic scattering effects of a vapor cell on electric-field measurements using Rydberg atom-based sensors are analyzed with the aid of the volume integral equation method. In a manner…Martin Stumpf, William J. Watterson, Rajavardhan Talashila et al.·May 22, 2026SaveLearn
Spatial dealiasing of classical geomagnetic survey data through use of a microfabricated wearable quantum magnetometerGeomagnetic surveys provide insight into the subsurface for a range of applications, from fundamental understanding of geological processes, to mineral exploration and locating unexploded ordnance. A…Stirling Scholes, Alissa Forsythe, Courtney Dyer et al.·May 22, 2026SaveLearn
Attosecond shaping of high-current pulsed electron beams in a home-built 37-keV beamlineUltrashort electron pulses with a high average current provide a powerful means of enhancing time-resolved imaging and photon generation. In this study, we report the attosecond shaping of…Yuichi Tachibana, Marie Ouillé, Takuya Hosobata et al.·May 22, 2026SaveLearn
Spin interferometry in a beam of ultracold moleculesWe describe a spin interferometer using ultracold YbF molecules and develop the complete set of techniques needed to measure the electron's electric dipole moment, de, with this apparatus. The…R. A. Jenkins, M. T. Ziemba, F. J. Collings et al.·May 22, 2026SaveLearn
X-ray and extreme-ultraviolet spectra from collisions of Ar18+ and O8+ ions with neutralsWe present measurements of K-shell x-ray emission following charge exchange of fully ionized argon with various neutral gaseous targets at small collision energies inside an electron beam ion trap.…Stepan Dobrodey, Chintan Shah, Sonja Bernitt et al.·May 21, 2026SaveLearn
Simulation of Rydberg Ionization in Atomic Beams for FIB OptimizationThis study explores the excitation and ionization of an atomic beam as a pathway to optimize focused ion beams (FIBs) for high-precision applications. Leveraging the unique advantages of Rydberg…Clelia Bastelica, Azer Trimeche, Colin Lopez et al.·May 21, 2026SaveLearn
Inelastic collisions of fast charged particles with atoms. Relativistic plane-wave Born approximationA detailed formulation of the relativistic plane-wave Born approximation for inelastic collisions of charged particles with free atoms and positive ions is presented. The wave functions of the target…Francesc Salvat·May 21, 2026SaveLearn
Shell formation and two-dimensional nanofriction in three-dimensional ion Coulomb crystalsSelf-organized three-dimensional (3D) ion Coulomb crystals in linear Paul traps naturally form concentric shells that provide a curved, atomically resolved interface for studying two-dimensional (2D)…L. -A. Rüffert, T. E. Mehlstäubler·May 20, 2026SaveLearn
Observation of resonant monopole-dipole energy transfer between Rydberg atoms and polar moleculesResonant energy transfer (RET), between equal parity 1s65s3S1 and 1s66s3S1 Rydberg levels in helium has been observed in low-temperature (80 mK) collisions with…J. Zou, R. R. W. Wang, R. González-Férez et al.·May 20, 2026SaveLearn
Spatio-spectral vector light created by optical activity in rubidium vaporWe demonstrate a pump-probe scheme in which an atomic vapor is optically pumped with circularly polarized light and probed with a vector vortex beam. The pump induces a macroscopic magnetization in…Richard Aguiar Maduro, Riaan P. Schmidt, Mustafa A. Al Khafaji et al.·May 19, 2026SaveLearn
Coherent All-Optical Radio Frequency Phase Sensing Using Multiphoton Dressing and InterferenceMulti-photon dressing and interference in atomic systems is a key to several cutting edge technologies like Rydberg atom radio frequency sensors, clocks and magnetometers because it enables the…Hongqiao Zhang, Pinrui Shen, Stephanie M. Bohaichuk et al.·May 19, 2026SaveLearn
Precision probing of ionic-core transitions in alkaline-earth Rydberg atomsWe report precision spectroscopy of ionic-core transitions in alkaline-earth Rydberg atoms. We demonstrate high-resolution measurements of isotope shifts and hyperfine splitting of dipole transitions…Mitsuki Odahara, Shinsuke Haze·May 19, 2026SaveLearn
High-stability offset-frequency locking of two lasers using a balanced filter discriminatorWe demonstrate a high-stability laser offset-frequency locking technique based on a balanced filter discriminator. The beat note between two 852 nm external-cavity diode lasers is down-converted in…Sang Eon Park, Meung Ho Seo, Young-Ho Park et al.·May 19, 2026SaveLearn
Elastic electron scattering from Zn, Cd, and HgWe present an extensive set of theoretical results for differential, integrated, and momentum transfer cross sections for the elastic scattering of electrons by zinc, cadmium, and mercury. This study…Mehrdad Adibzadeh, Constantine E. Theodosiou·May 19, 2026SaveLearn
Spin asymmetry for the elastic scattering of polarized electrons from Zn, Cd, and HgWe present an extensive set of theoretical results for spin asymmetry in the form of Sherman functions for the elastic scattering of electrons by zinc, cadmium, and mercury. This study extends the…Mehrdad Adibzadeh, Constantine E. Theodosiou·May 19, 2026SaveLearn
Fundamental Limits of Large Momentum Transfer in Optical LatticesLarge-momentum-transfer techniques are instrumental for the next generation of atom interferometers as they significantly improve their sensitivity. State-of-the-art implementations rely on elastic…Ashkan Alibabaei, Patrik Mönkeberg, Florian Fitzek et al.·May 19, 2026SaveLearn
Achieving High Filling of an Optical Lattice by Light-Assisted Redistribution of AtomsScalable arrays of individual atoms provide an ideal starting point for quantum information and simulation experiments. However, their preparation is often limited by light-assisted collisions…Lauren Weiss, Evan Yamaguchi, Claire Pritts et al.·May 18, 2026SaveLearn
Switching Rydberg interactions by three orders of magnitude using a terahertz fieldAtom-based quantum computing exploits the ability to enhance atom-atom interactions by employing laser excitation to higher-excited Rydberg states. Additional fields that drive transitions between…Karen Wadenpfuhl, Aaron Reinhard, Oliver Hughes et al.·May 18, 2026SaveLearn
Enhanced detection of electric field signals via squeezing-induced stochastic resonanceStochastic resonance (SR) could amplify weak electric-field signals in nonlinear systems by means of the externally injected noises. Here we propose and experimentally demonstrate a modified SR…Ya-Qi Wei, Tai-Hao Cui, Quan Yuan et al.·May 18, 2026SaveLearn
Photon-Atom Granularity Noise ThermometryWe propose granularity noise thermometry (GNT), a fluctuation-based optical thermometry scheme that exploits the intrinsic fluctuations of susceptibility arising from atomic discreteness. The power…Chen-Rong Liu, Yixuan Wang, Xiaowei Wang et al.·May 18, 2026SaveLearn
Production of Intense Spin-Polarized Beams of Hydrogen Isotopes by Charge Transfer with High Density Raman-Pumped Alkali-Metal VaporsIt should be possible to generate multi-ampere spin-polarized beams of hydrogen isotopes by repeated charge-transfer collisions in highly spin-polarized Cs vapor. Estimates suggest that off-resonant…Thad G. Walker, Cary B. Forest, Deniz D. Yavuz·May 15, 2026SaveLearn
Multipole blackbody radiation shift in Rydberg atomsWe study the role of retardation in the energy shift of Rydberg states induced by thermal radiation, focusing on the case of temperatures higher than those for which the electric-dipole approximation…R. M. Potvliege·May 15, 2026SaveLearn