QED nuclear recoil effect in helium isotope shiftWe present a detailed investigation of the leading-order mα5 QED correction with inclusion of the finite-nuclear-mass effects. Previously, this correction had been calculated within an…Krzysztof Pachucki, Vojtěch Patkóš, Vladimir A. Yerokhin·Dec 4, 2025SaveLearn
Continuously tunable single-photon level nonlinearity with Rydberg state wave-function engineeringExtending optical nonlinearity into the extremely weak light regime is at the heart of quantum optics, since it enables the efficient generation of photonic entanglement and implementation of…Biao Xu, Gen-Sheng Ye, Yue Chang et al.·Dec 4, 2025SaveLearn
Demonstration of a Raman Velocity Filter in Collinear Laser Spectroscopy: Towards Applications for sub-ppm High-Voltage MeasurementsRaman transitions have a wide range of applications in atomic physics and have recently been proposed as a means for improving high-precision high-voltage measurements. Here, we present a theoretical…Julien Spahn, Hendrik Bodnar, Kristian König et al.·Dec 3, 2025SaveLearn
Demonstration of magic dressing of 3HeA common concern in high-precision neutron electric dipole moment (nEDM) experiments is that of magnetic field stability. For static fields, this problem can be mitigated through the use of a…Raymond Tat·Dec 2, 2025SaveLearn
Generation of strong ultralow-phase-noise microwave fields with tunable ellipticity for ultracold polar moleculesMicrowave(MW) fields with strong field strength, ultralow phase-noise and tunable polarization are crucial for stabilizing and manipulating ultracold polar molecules, which have emerged as a…Shrestha Biswas, Sebastian Eppelt, Christian Buchberger et al.·Dec 2, 2025SaveLearn
Simultaneous optical and multi-band terahertz imaging using an atomic quantum sensorWe demonstrate simultaneous imaging at 0.549 THz and 1.012 THz with an optical overlay using a two-species atomic-vapour-based technique. The atomic vapour, comprising laser-pumped rubidium and…Andrew Rae MacKellar, C. Stuart Adams, Kevin J. Weatherill·Dec 1, 2025SaveLearn
A Platform for Evanescently Trapping Rb-87 Using Silicon Nitride Strip Waveguides Buried in SilicaCold-atom systems have emerged as a highly promising avenue for quantum-enhanced position, navigation, and timing applications. However, their wider adoption is currently hampered in part by the…Sam J. Harding, Carrie Weidner·Dec 1, 2025SaveLearn
Rci-Q: an improved QED correction model for the GRASP2018 packageThe Rci-Q package is an extension to the GRASP2018 suite, improving the model of estimating the quantum-electrodynamics corrections to the energy levels. The Flambaum-Ginges radiative potential…Karol Kozioł·Dec 1, 2025SaveLearn
Effect of the avoided crossing on the rovibrational energy levels, resonances, and predissociation lifetimes within the ground and first excited electronic states of lithium fluorideWe investigate the LiF spectrum up to 7800 cm-1 above the first dissociation limit. The ab initio calculations of the adiabatic potentials and other molecular functions are performed in a wide…V. G. Ushakov, A. Yu. Ermilov, E. S. Medvedev·Dec 1, 2025SaveLearn
Micro-Electro-Mechanical System Vapor Cells With Passivated Internal CavitiesMicro-Electro-Mechanical, so called 'MEMs,' vapor cells are a key component in atom-based quantum sensors, such as clocks, gyroscopes, electric field sensors and magnetometers. MEMs vapor cell…Rajesh Pandiyan, Sanyasi Bobbara, Somayeh Mirzaee et al.·Nov 28, 2025SaveLearn
A permanent-magnet Zeeman slower and magneto-optical trap for calcium atoms for ultracold Rydberg physicsWe report the construction and characterization of an experimental setup for producing a cold gas of 40Ca atoms and excite them to high Rydberg states with a resonant three-photon-excitation…Eduardo Marin-Bujedo, Julien A. L. Grondin, Thomas Schiltz et al.·Nov 28, 2025SaveLearn
Relativistic recoil as a key to the fine-structure puzzle in muonic 90ZrThe long-standing fine-structure anomaly in muonic 90Zr is resolved through a rigorous treatment of the relativistic-recoil effect. From a fit of ab initio QED calculations of the muonic…Konstantin A. Beyer, Igor A. Valuev, Zoia A. Mandrykina et al.·Nov 27, 2025SaveLearn
Directional loss of contrast by dephasing in temporal double-slit interferometryAttosecond streaking camera is an ex situ technique in which a linearly polarized (LP) XUV attopulse produces an electron wavepacket by photoionization in the presence of an IR femtopulse. By moving…M. A. H. B. Md Yusoff, H. B. Ambalampitiya, J. M. Ngoko Djiokap·Nov 26, 2025SaveLearn
High-Resolution Laser Spectroscopy on the Hyperfine Structure of 255Fm (Z=100)We report on high-resolution laser spectroscopy of 255Fm (T1/2 = 20h), one of the heaviest nuclides available from reactor breeding. The hyperfine structures in two different atomic…M. Urquiza-González, M. Stemmler, T. E. Albrecht et al.·Nov 25, 2025SaveLearn
Extreme Ultraviolet Spectroscopy of Highly Charged Lu and Yb Ions for Nuclear Charge Radius DeterminationWe report a high-precision determination of the natural-abundance-averaged nuclear charge-radius difference between Yb and Lu using extreme ultraviolet (EUV) spectroscopy of highly charged ions…Hunter Staiger, Endre Takacs, Steven A. Blundell et al.·Nov 25, 2025SaveLearn
Response Analysis of Four-Level Heterodyne Rydberg Atom ReceiverThe four-level heterodyne Rydberg atom receiver has garnered significant attention in microwave detection and communication due to its high sensitivity and phase measurement capabilities. Existing…Yu Tang, Siyuan Wang, Shuang Ren et al.·Nov 25, 2025SaveLearn
Puzzling Isotonic Odd-Even Staggering of Charge Radii in Deformed Rare Earth NucleiThe nuclear charge radius is a fundamental observable that encodes key aspects of nuclear structure, deformation, and pairing. Isotonic (constant neutron number) systematics in the deformed…Endre Takacs, Hunter Staiger, Steven A. Blundell et al.·Nov 24, 2025SaveLearn
Theoretical study on excited states of ICl+ molecular ion considering spin-orbit couplingThe electronic structure of the ICl+ molecular ion is investigated by using high-level multireference configuration interaction (MRCI) method. To improve computational accuracy, Davidson corrections,…Rui Li, Ronglong Dou, Ting Gao et al.·Nov 24, 2025SaveLearn
Development of a projectile charge state analyzer and 10 kV bipolar power supply for MeV energy ion - atom/molecule collision experimentsWe have developed a post-collision projectile charge state analyzer (CSA) for detecting the charge state of the projectile ion following ion-atom/molecule collision. The design of the analyzer, based…Sandeep Bajrangi Bari, Sahan Raghava Sykam, Ranojit Das et al.·Nov 24, 2025SaveLearn
Multiphoton ionization with three-dimensional light fieldsWe report the first observation of free-electron angular momentum wave packets generated by atomic multiphoton ionization with bichromatic three-dimensional (3D) polarization-tailored ultrashort…Darius Köhnke, Hans-Christian Ahlswede, Tim Bayer et al.·Nov 24, 2025SaveLearn
Atomic magnetometry based on the ground-state Hanle effect in an elliptically polarized light waveWe investigate the ground-state Hanle effect in alkali-metal vapor irradiating by a resonant elliptically polarized light wave. The magneto-optical resonances are observed as a change in the…D. V. Brazhnikov, A. O. Makarov, K. S. Kozlova et al.·Nov 24, 2025SaveLearn
Twisted Electron Collisions Enhance the Production of Circular Rydberg StatesCircular Rydberg states offer advantages for quantum information and quantum simulation platforms due to their long lifetimes and strong dipole-dipole interactions. Unfortunately, current techniques…H. S. Parker, S. L. Sims, D. J. Lamphere et al.·Nov 21, 2025SaveLearn
Adiabatic passage of 205TlF with microwaves in a cryogenic beamWe present a hyperfine-resolved state preparation scheme for thallium fluoride (TlF) molecules based on microwave-driven adiabatic passage (AP) in a spatially varying electric field. This method…Olivier Grasdijk, Jakob Kastelic, Jianhui Li et al.·Nov 20, 2025SaveLearn
Diffuse Laser Cooling Based on the 6P3/2 Excited State of Rubidium Atoms via 420 nm Blue LightTo date, the laser cooling of rubidium atoms has inevitably relied on 780 nm cooling light corresponding to the first excited state 5P3/2. Surprisingly, we demonstrate laser cooling…Jia Zhang, Xun Gao Zheng Xiao, Xiaolei Guan Ruihang Chen et al.·Nov 20, 2025SaveLearn
Optimization of experimental parameters for laser-slowing and magneto-optical trapping of MgF moleculesDiatomic molecules are promising systems for quantum science applications due to their complex energy structures and strong dipole-dipole interactions. Achieving ultracold temperatures is essential…Dongkyu Lim, Eunmi Chae·Nov 20, 2025SaveLearn