Highly accurate semiclassical strong-field Herman-Kluk propagator method for high-harmonic generationWe extend our recently developed semiclassical strong-field Herman-Kluk propagator (SFHK) method to calculate high-order harmonic generation (HHG) for atoms in intense lasers. We show that our…Phi-Hung Tran, Hao Quan Truong, R. Esteban Goetz et al.·Jan 23, 2026SaveLearn
General framework for quantifying entanglement production in ultracold molecular collisions and chemical reactionsEntanglement, a defining feature of quantum mechanics, arises naturally from interactions between molecular systems. Yet the precise nature and quantification of entanglement in the products of…Adrien Devolder, Paul Brumer, Timur Tscherbul·Jan 23, 2026SaveLearn
Shake-up and shake-off spectra in the electron capture decay of atomic 7BeThe most stringent laboratory-based experimental limits on the existence of sub-MeV sterile neutrinos are currently set by decay spectroscopy of radioactive 7Be embedded into superconducting…Mauro Guerra, Inwook Kim, Stephan Friedrich et al.·Jan 23, 2026SaveLearn
Resonant X-Ray Difference-Frequency Seeding of Inner-Shell X-Ray LasersWe analyze a class of inner-shell x-ray laser systems in which the initial conditions of the emission are set by a resonant x-ray difference-frequency drive. Using a microscopic density-matrix…Carles Serrat·Jan 23, 2026SaveLearn
Bichromatic Tweezers for Qudit Quantum Computing in 87SrNeutral atoms have become a competitive platform for quantum metrology, simulation, sensing, and computing. Current magic trapping techniques are insufficient to engineer magic trapping conditions…Enrique A. Segura Carrillo, Eric J. Meier, Michael J. Martin·Jan 22, 2026SaveLearn
Dynamics of antiferromagnetic Dimers in Rydberg Atom ChainsWe investigate the dynamics of antiferromagnetic dimers within a Rydberg atom chain in the regime where laser detuning compensates for nearest-neighbor (NN) interactions. Using an effective PXQ…Feng-Yuan Kuang, Lin Li, Weibin Li·Jan 22, 2026SaveLearn
Precision measurement of the ground-state hyperfine constant for 9Be+ in a linear Paul trap via magnetically insensitive hyperfine transitionsDirect measurements of the ground-state magnetically insensitive hyperfine transition |F=2,mF=0>->|F=1,mF=0> of 9Be+ ions have been performed using microwave-driven state transfer. The 9Be+…Zhi-yuan Ao, Wen-li Bai, Qian-yu Zhang et al.·Jan 21, 2026SaveLearn
Light propagation in atomic stratified media: breakdown of the transfer-matrix method at high densityThe transfer-matrix method is a standard approach to wave propagation in stratified media. With the advent of cold-atom-based quantum and photonic technologies, several experiments and many proposals…Igor M. Sokolov, William Guerin·Jan 21, 2026SaveLearn
Measurement of Differential Static Polarizability and Frequency of an Inner-Shell Orbital Clock Transition in Lattice-Trapped 174YbAdditional clock transitions of ytterbium atoms based on inner-shell orbital transition could benefit the search for new physics beyond the Standard Model. Observation of these transitions with high…Yao Yuan, Wang Congyu, Zou Jinpeng et al.·Jan 19, 2026SaveLearn
New energy conversion system based on charge-exchange and inner-shell electron transitionsThe rapidly growing demand for compact, high-energy power sources has outpaced the capabilities of conventional electrochemical systems that rely on outer-shell redox reactions. In this work, we…Tianrui Li, Yi Jiang, Chen Zhao et al.·Jan 15, 2026SaveLearn
Electro-optic frequency comb Doppler thermometryWe demonstrate a Doppler thermometer based on direct optical frequency comb spectroscopy of an 85Rb vapor with a chirped electro-optic frequency comb (EOFC). The direct EOFC Doppler thermometer…Sean M. Bresler, Erin M. Adkins, Stephen P. Eckel et al.·Jan 15, 2026SaveLearn
Constraining axion-like dark matter with a radio-frequency atomic magnetometerWe report on a broadband search for axion-like-particle (ALP) interactions using a radio-frequency-operated 87Rb atomic magnetometer. The instrument provides wide spectral coverage and…A. Rigoulet, S. Nanos, I. K. Kominis et al.·Jan 14, 2026SaveLearn
High-Resolution Spectroscopy of 173Yb+ IonsCompared to other stable isotopes of Yb+, 173Yb+ has a richer hyperfine structure, which leads to more favorable clock transitions, spectroscopic techniques for probing new…J. Jiang, A. V. Viatkina, Saaswath JK et al.·Jan 14, 2026SaveLearn
High-harmonic generation as a tunneling delay probeWe investigate the feasibility of using high-harmonic generation (HHG) as a complementary probe of tunneling delay in strong-field ionization. By combining time--frequency analysis of HHG spectra…Amol R. Holkundkar·Jan 14, 2026SaveLearn
Static dc electric field orientation effects on two-photon Rydberg EITWe examine the influence of a static dc electric field on Electromagnetically Induced Transparency (EIT) resonances that involve highly excited Rydberg states. Our focus is on how these resonances…Rob Behary, William Torg, Mykhailo Vorobiov et al.·Jan 14, 2026SaveLearn
Excluding Hypothetical Light Boson Interpretation of Yb King Plot Nonlinearity with the 1S0 3P2 Isotope Shift MeasurementWe present precision spectroscopy and isotope shift measurement of the 1S0 3P2 clock transition in neutral ytterbium (Yb) atoms. By revealing a magic wavelength…Taiki Ishiyama, Koki Ono, Reiji Asano et al.·Jan 13, 2026SaveLearn
Causality of ultrafast photoionization from argon 3s using an ab initio relativistic approachWe study real-time photoionization flux at the 3s Amusia-Cooper minimum (ACM) in argon using ab initio simulations with the relativistic time-dependent configuration-interaction singles…Rezvan Tahouri, Jan Marcus Dahlström·Jan 13, 2026SaveLearn
The 1/3 Geometric Constant: Scale Invariance and the Origin of 'Missing Energy' in 3D Quantum FragmentationWe report the discovery of a universal geometric constraint on the detection of kinetic energy release (KER) in three-dimensional quantum fragmentation. By analyzing the dissociation of localized…Jinzhen Zhu·Jan 13, 2026SaveLearn
Endcap-Type Paul Trap for Precision Spectroscopy and Studies of Controlled InteractionsWe present the design and fabrication of an endcap-type Paul trap. The trap is designed for studies with Ca+ and Yb+. The design, fabrication process, and characterization are presented in…Anand Prakash, Akhil Ayyadevara, E. Krishnakumar et al.·Jan 12, 2026SaveLearn
Controlling Rydberg atom-polariton interactions: from exceptional points to fast readoutRydberg atoms represent a platform underpinning many recent developments in quantum computation, simulation, sensing, and metrology. They further facilitate optical nonlinearity at the single-photon…Tamara Šumarac, Emily H. Qiu, Shai Tsesses et al.·Jan 9, 2026SaveLearn
Creation and precise spectroscopy of 86Sr2 halo moleculesWe report on the creation of 86Sr2 molecules in the halo state and neighboring weakly bound states. Efficient molecule production via one-photon photoassociation relies on sufficient…Brandon Iritani, Jingjing Huang, Wenwei Xu et al.·Jan 9, 2026SaveLearn
Electron Energy Loss Spectroscopy of oriented targets and magnetic transitionsElectron beam energies in Transmission Electron Microscopes (TEMs) reach the relativistic realm constituting Quantum Electrodynamics (QED) the appropriate framework for the study of electron matter…Ioannis Iatrakis, Valerii Brudanin·Jan 9, 2026SaveLearn
Identifying Mechanism of Energy-Resolved AttoclockWe study above-threshold ionization (ATI) of atoms in strong elliptical laser fields numerically and analytically. Recent benchmark experiments for H showed that the attoclock offset angle related to…Jia'nan Wu, Shiqi Shen, Jiayin Che et al.·Jan 9, 2026SaveLearn
Phase-Controlled Ramsey Interference of XUV PhotoelectronsWe investigate Ramsey-type quantum interference in photoelectron momentum distributions generated by two time-delayed, linearly polarized extreme-ultraviolet (XUV) laser pulses. The electron dynamics…Neha Kukreti, Amol R Holkundkar·Jan 9, 2026SaveLearn
Features of the van der Waals Interaction on the Cesium 6S1/2 → 7P3/2 Transition in an Optical NanocellWe report the first experimental study of the influence of a dielectric surface on the transmission spectrum of cesium atoms for the 6S1/2 → 7P3/2 (D2) transition in vapor cells…Armen Sargsyan, Anahit Gogyan, David Sarkisyan·Jan 8, 2026SaveLearn