Symmetry-controlled thermal activation in pyramidal Coulomb clusters: Testing Kramers-Langer theoryLaser-cooled ions confined in electromagnetic traps provide a unique, tunable mesoscopic system where the interplay of the trapping potential, nonlinear Coulomb interactions, and laser-ion scattering…Akhil Ayyadevara, Anand Prakash, Shovan Dutta et al.·Jan 8, 2026SaveLearn
Photodetachment energy of negative hydrogen ionsWe report a high-precision calculation of the photodetachment energy of the hydrogen anion H-. The nonrelativistic bound-state energy is obtained using an exact three-body approach, and…Maen Salman, Jean-Philippe Karr·Jan 7, 2026SaveLearn
Electron capture induced fragmentation of CO23+: Influence of projectile charge on sequential and concerted break-up pathwaysWe investigate the O+:C+:O+ fragmentation channel of CO23+ produced in slow collisions with Arq+ projectiles (4 q 16, velocities ≈ 0.3 a.u).…Akash Srivastav, Sumit Srivastav, Bhas Bapat·Jan 7, 2026SaveLearn
Visualizing Mathieu-Type Dynamics in a Tabletop Magnetic Trap: A Coil-Driven Parametric OscillatorWe present a tabletop demonstration of dynamic stabilization and ponderomotive-like trapping using a pair of sinusoidally-driven anti-Helmholtz coils and a suspended permanent magnet. The oscillating…William Ho, Anna Klales, Daniel Davis et al.·Jan 6, 2026SaveLearn
Electron Beam Profiling via Rydberg Electromagnetically Induced Transparency in Rubidium Vapor with Crossed Laser beamsWe present an all-optical detection approach to determine the position and spatial profile of an electron beam based on quantum properties of alkali metal atoms. To measure the electric field,…Rob Behary, Kevin Su, Nicolas DeStefano et al.·Jan 5, 2026SaveLearn
Magnetically Induced Transparency-Absorption and Normal-Anomalous Dispersion Characteristics of 87Rb Medium or Any J-Type Configuration Atomic Vapors Subject to a Vector Magnetic Field and a Weak Resonant PumpWe have developed an analytical framework for magnetically induced transparency-absorption (MITA) and normal-anomalous dispersion (MINAD) in a weakly driven 87Rb vapor, or any J-type…Hayk L. Gevorgyan·Jan 5, 2026SaveLearn
High-Resolution Spectroscopy of the X-A Transition of the Carbon Monoxide Dication CO2+We report rovibronic spectra of the A 3+(v'=0-2) - X 3(v=0) rovibronic transitions (||=0, 1 and 2) of the CO2+ doubly-charged molecular ion. Spectra were…X. Huet, A. Aerts, N. Vaeck et al.·Jan 5, 2026SaveLearn
ExoAtom: A Database of Atomic Spectra in ExoMol FormatWe present the ExoAtom database, www.exomol.com/exoatom, an extension of the ExoMol database to provide atomic line lists in the ExoMol format. ExoAtom is designed for detailed astrophysical,…Qing-He Ni, Rujia Wang, Tianyang Xie et al.·Dec 31, 2025SaveLearn
Sub-Ensemble Correlations as a Covariance GeometryConventional practice of spatially resolved detection in diffusion-coupled thermal atomic vapors implicitly treat localized responses as mutually independent. However, in this study, it is shown that…Zuoxian Wang, Yuhao Zhang, Gaopu Hou et al.·Dec 30, 2025SaveLearn
High-flux cold lithium-6 and rubidium-87 atoms from compact two-dimensional magneto-optical trapsWe report a compact setup with in-series two-dimensional magneto-optical traps (2D MOTs) that provides high-flux cold lithium and rubidium atoms. Thanks to the efficient short-distance Zeeman…Yun-Xuan Lu, An-Wei Zhu, Christine E. Frank et al.·Dec 30, 2025SaveLearn
Optical pumping and laser slowing of a heavy moleculePrecision measurements of the electron's electric dipole moment (eEDM) are critical for testing fundamental symmetries in particle physics, and heavy polar molecules-such as barium monofluoride…Shuhua Deng, Shoukang Yang, Zixuan Zeng et al.·Dec 30, 2025SaveLearn
Investigation of the benefits and disadvantages of using double-pair anti-Helmholtz coils in BEC-producing MOT setups and optimizing their designThis work has investigated the Magneto-Optical Trap (MOT) system used to produce Bose-Einstein Condensate (BEC). A primary challenge addressed in this study concerns the geometric limitations of…Şenol Tarhan, Gabriel Goetten de Lima·Dec 29, 2025SaveLearn
Magic wavelengths and triple magic trapping conditions for 5s2~1\!S0 and 5s5p~3\!P0,2 states of Sr atomsThe static and dynamic electric dipole polarizabilities of the 5s2~1\!S0 and 5s5p~3\!P0,2 states of Sr atoms are calculated using the relativistic configuration interaction plus the…Yan-Min Wang, Qing-Yi Liu, Yong-Bo Tang et al.·Dec 29, 2025SaveLearn
Two-photon sweeping out of the K-shell of a heavy atomic ionWithin the framework of the second-order non-relativistic quantum perturbation theory, the methods of the theory of irreducible tensor operators, and nonorthogonal orbitals, the absolute values and…A. N. Hopersky, A. M. Nadolinsky, S. A. Novikov et al.·Dec 28, 2025SaveLearn
Theoretical calculations of isotope shifts in highly charged Ni12+ ionWe present relativistic many-body perturbation theory plus configuration interaction (MBPT+CI) calculations of the lowest four excited states of Ni12+, a promising candidate for highly charged…Shi-cheng Yu, Hua Guan, Lei She et al.·Dec 28, 2025SaveLearn
Double to tenfold M-shell photoionization of singly charged lanthanum ionsUsing the photon-ion merged-beams technique at the PETRA\,III synchrotron light source, we have measured cross sections for double and up to tenfold photoionization of La+ ions by a single…M. Looshorn, B. M. Döhring, P. -M. Hillenbrand et al.·Dec 27, 2025SaveLearn
Low-SWaP Magneto-optical Trap using both Planar Optical and Magnetic ComponentsCompact, lightweight, and energy-efficient cold atom systems are crucial for advancing quantum technologies, yet their realization remains constrained by the bulky optical and magnetic components…Hao Gao, Yumeng Zhu, Zhilong Yu et al.·Dec 25, 2025SaveLearn
Acetaldehyde as a molecule for testing variations of electron-to-proton mass ratioWe present the quantum-mechanical calculations of the dimensionless sensitivity coefficients Q to small changes in the fundamental physical constant mu = me/mp - the electron-to-proton mass ratio -…J. S. Vorotyntseva, S. A. Levshakov, M. G. Kozlov·Dec 24, 2025SaveLearn
Watt-class injection-locked diode laser system at 399 nm for atomic physicsWe demonstrate an injection-locked 399 nm laser system with up to 1 W output power and a locked power fraction of 0.57. The system consists of a high power, multimode diode laser that is seeded by 5…Rose Ranson, Yifan Zhou, Michael Hesford et al.·Dec 23, 2025SaveLearn
Precision spectroscopy of the 2S-nP transitions in atomic hydrogenPrecision spectroscopy of atomic hydrogen is an important way to test bound-state quantum electrodynamics (QED), one of the building blocks of the Standard Model. In its simplest form, such a test…Lothar Maisenbacher·Dec 23, 2025SaveLearn
Time-domain measurement of Auger electron dynamics in xenon atoms after giant resonant photoionizationTime-resolved measurement of Auger-Meitner (AM) decay [Nature 419, 803 (2002)] marked a milestone in the development of attosecond science. To date, the time constants for the AM decay processes…Mahmudul Hasan, Jingsong Gao, Hao Liang et al.·Dec 23, 2025SaveLearn
Synthesis of a high intensity, superthermal muonium beam for gravity and laser spectroscopy experimentsThe universality of free fall, a cornerstone of Einstein's theory of gravity, has so far only been tested with neutral composite states of first-generation Standard Model (SM) particles, such as…Jesse Zhang, Aldo Antognini, Marek Bartkowiak et al.·Dec 22, 2025SaveLearn
Real-time phase control methods for cold-atom interferometryWe present two methods to achieve real-time inertial phase compensation in atom interferometers. Both methods, based on jumps of the position of the retroreflection mirror or frequencies of Raman…Mohamed Guessoum, Nathan Marliere, Charbel Cherfan et al.·Dec 22, 2025SaveLearn
Lineshape-asymmetry-caused shift in atomic interferometersWe investigate the shift caused by asymmetry of spectroscopic lineshape in atomic interferometers, which has not previously been discussed in the scientific literature. This asymmetry arises because…V. I. Yudin, O. N. Prudnikov, A. V. Taichenachev et al.·Dec 20, 2025SaveLearn
-Enhanced Gray Molasses Cooling of 85Rb Atoms in Tweezers Using the D2 LineWe demonstrate the implementation of -enhanced gray molasses cooling on the D2 line of 85Rb atoms in an optical tweezer array. This technique yields lower atomic temperatures of…Deon Janse van Rensburg, Rogier Venderbosch, Yuri van der Werf et al.·Dec 19, 2025SaveLearn