Nonrelativistic expansions of Dirac-Coulomb energy and first order relativistic Breit potential corrections for light Atomic and molecular systemsThe nonrelativistic expansion method is applied to the Dirac-Coulomb energy and first order relativistic Breit potential corrections for light atomic and molecular systems to derive high-order…Wanping Zhou, Sanjiang Yang, Chen Tong·Sep 30, 2026SaveLearn
Nuclear moments, charge radii, and magnetization distribution parameters of Ag isotopes from laser spectroscopy and ab initio electronic-structure calculationsThe nuclear electromagnetic moments and mean-square charge radii of several silver (Ag) isotopes deduced from recent laser spectroscopy studies in the mass region A= 96-121 are determined using…Leonid V. Skripnikov, Bram van den Borne, Michail Athanasakis-Kaklamanakis et al.·Sep 30, 2026SaveLearn
Radiative Data for As III, Se III, Hf IV, and Tl IV: HFR and MCDHF Calculations for Hot Subdwarf SpectroscopyAccurate oscillator strengths for doubly and triply ionised heavy elements are required for quantitative spectroscopy of hot subdwarfs, but available data remain sparse. We present new radiative data…Jérôme Deprince, Lucas Maison, Solène Beauraind et al.·Sep 30, 2026SaveLearn
Spin-exchange interactions between circular Rydberg atoms over long timesArrays of neutral atoms excited to Rydberg levels have emerged as one of the most promising platforms for quantum computation and simulation. With the hope to outperform classical devices, the number…Andrés Durán-Hernández, Gautier Creutzer, Aurore Alice Young et al.·Sep 30, 2026SaveLearn
Surface-Induced Spectral Broadening during Efficient Two-Photon Excitation of Cold 133Cs Atoms near an Optical NanofiberWe report the experimental observation of the 133Cs 6S1/2 to 6D5/2 single-frequency two-photon transition at low excitation power using an optical nanofiber…Yuan Jiang, Xiaodong Qi, Nicolás Vera Paz et al.·Sep 29, 2026SaveLearn
All-optical switching in a trapped ion cavity QED system: a comparative studyWe investigate the transient dynamics of cavity-EIT-based all-optical switching in a system of trapped ions coupled to an optical cavity through numerical simulations. In contrast to steady-state…Abhijit Kundu, Vijay Bhatt, Arijit Sharma·Sep 29, 2026SaveLearn
Shortcut to Adiabatic Transfer in a Four-Level N-type System using Counterdiabatic DrivingThe stimulated Raman shortcut-to-adiabatic passage (STIRSAP) technique has been demonstrated to accelerate adiabatic population transfer processes. Traditionally applied to three-level atomic…Marius Romuald Kamsap, Simon Evehe Ndong, Maïk Delon Mboumba et al.·Sep 29, 2026SaveLearn
Attosecond circular-dichroism spectroscopy of hole ring currentsUltrafast ionization of atoms by circularly polarized few-cycle laser pulses generates a hole ring currents, offering a route for ultrafast manipulation of magnetism. Here we explore the subcycle…Guangru Bai, Zhihui Lyu, Jinlei Liu et al.·Sep 29, 2026SaveLearn
Potential-energy surfaces of water and its molecular ions up to H2O3+We compute the potential-energy surfaces for molecular ions up to H2O3+ with any combinations of outer-valence, inner-valence and core holes. To obtain the potential-energy surfaces, we…Giorgio Visentin, Agapi Emmanouilidou·Sep 29, 2026SaveLearn
Qprop-ND: A Nondipole Extension of the Qprop Package for Strong-Field Laser PhysicsThe Qprop 3.0 package for the solution of the time-dependent Schrödinger equation for an electron in a laser field and atomic potential is extended to incorporate nondipole effects related to the…Haoyuan He, Zhao-Han Zhang, Karen Z. Hatsagortsyan et al.·Sep 28, 2026SaveLearn
Raman Transitions in Collinear Laser Spectroscopy for High-Precision Frequency MeasurementsWe demonstrate stimulated Raman spectroscopy on dipole-forbidden fine-structure transitions in a fast ion beam. It is applied to the S1/2→D5/2 clock transition in…Julien Spahn, Hendrik Bodnar, Kristian König et al.·Sep 28, 2026SaveLearn
Reconstructing Molecular-Ion Quantum States with Two-Color Strong-Field ScatteringStrong-field ionization of molecules can prepare coherent superpositions of ionic states whose amplitudes and relative phases govern the ensuing ultrafast dynamics, but accessing this information…Dina S. Eissa, Felipe Morales, Abraham Camacho Garibay et al.·Sep 28, 2026SaveLearn
Interactions and dynamics of metastable triplet-state helium dimer with Ne and ArHelium dimer in its metastable triplet electronic state, He2(a~3Σu+), is a promising candidate for direct laser cooling and precision measurements. Interactions and collisions involving…Dibyendu Sardar, François Lique·Sep 28, 2026SaveLearn
Breit interaction in elastic scattering of vortex electron on Hydrogen atomic targetThe interaction of electron vortex beams with atoms is fundamental to their applications, yet existing studies on elastic scattering have considered only the Coulomb interaction. The role of the…Pengcheng Zhao·Sep 28, 2026SaveLearn
Non-dipole effects in a multielectron atomThis Letter establishes the analytical structure of the dipole radiation transition operator, taking into account non-dipole effects for a multielectron atom. The results summarize those of Komninos…Alexey N. Hopersky, Alexey M. Nadolinsky, Rustam V. Koneev·Sep 27, 2026SaveLearn
Hyperfine structure splitting for the triplet 23S(L = 0)-state in the two-muonic helium 3He μ2 atomThe hyperfine structure splitting for the triplet 23S(L = 0)-state in the two-muonic helium 3He μ2 atom is determined to high accuracy. Such a structure arises as a result of…Alexei M. Frolov·Sep 27, 2026SaveLearn
Collinear Laser Spectroscopy of the 1s2s\,3\!S1→ 1s2p\,3\!P0,2 Transitions in Helium-like 11B3+We report on hyperfine structure measurements of the 1s2s\,3\!S1 → 1s2p\,3\!P0,2 fine-structure transitions in the spectrum of 11B3+ ions. The helium-like ions…Axel Buß, Konstantin Mohr, Volker Hannen et al.·Sep 27, 2026SaveLearn
Systematic errors from scalar slowing-down models in transient SERF magnetometryReduced Bloch models of spin-exchange-relaxation-free (SERF) magnetometers commonly describe the coupled electron--nuclear spin dynamics using a single nuclear slowing-down factor. We show that this…Marek Kopciuch, Harini Raghavan, Morgan W. Mitchell·Sep 25, 2026SaveLearn
Microwave Power-to-Frequency Transduction in a Magnetically Initiated Rydberg Dissipative Time CrystalMicrowave power-to-frequency transduction is demonstrated using the emergent oscillation frequency of a magnetically initiated Rydberg dissipative time crystal (DTC). In a room-temperature 87Rb…Darmindra Arumugam·Sep 25, 2026SaveLearn
Highly elastic collisions of ultracold asymmetric top molecules in a static electric fieldWe propose that the application of static electric fields to reactive CaNH2 molecules can result in large ratios of elastic to lossy collisions at ultracold temperatures. In the first rotationally…Reuben R. W. Wang·Sep 25, 2026SaveLearn
Second-Order Rayleigh-Schrödinger Perturbation Theory for the GraspA developed method, based on the stationary second-order Rayleigh-Schrödinger many-body perturbation theory in an irreducible tensorial form, allows us to determine the most important core-valence,…G. Gaigalas, P. Rynkun, L. Kitovienė·Sep 24, 2026SaveLearn
Sub-Doppler cooling of trapped ions using optical tweezersWe propose a sub-Doppler cooling scheme for trapped-ion crystals in Paul traps. The combination of a hollow tweezer and microwave drive creates an effective two-level system which is cooled through…Bas Gerritsen, Liam J. Bond, Jiri Minář et al.·Sep 23, 2026SaveLearn
Quantum Chemistry in a Novel Hybrid Dipolar Atom-Ion MixtureMerging trapped ions with cold atomic clouds offers intriguing prospects for quantum chemistry and many-body quantum simulations. Especially when going beyond the standard alkali atomic baths by…Claudia Galantini, Mateo Londoño, Luc Verwaal et al.·Sep 22, 2026SaveLearn
A Cryogenic Penning Trap Based on Permanent MagnetsWe report on a Penning trap based on NdFeB permanent magnets operated at 4\,K with a magnetic field strength of 280\,mT. Reliable loading and confinement of protons, H2+ ions, and electrons was…F. Völksen, K. K. Anjum, R. P. Czampiel et al.·Sep 22, 2026SaveLearn
Optical Ion Clock with Engineered Immunity to Motion-Induced Frequency ShiftsSpectroscopic frequency shifts due to residual motion of the probed atoms significantly contribute to the uncertainty budgets of state-of-the-art optical ion clocks. For clock transitions with…Mark Lide, Wesley Hardin, Christian Sanner·Sep 22, 2026SaveLearn