Non-adiabatic couplings as a stabilization mechanism in long-range Rydberg moleculesLong-range Rydberg molecules are typically bound in wells formed in their oscillatory potential energy curves. In alkaline Rydberg molecules, bound vibrational states exist even when these potential…Aileen A. T. Durst, Milena Simić, Neethu Abraham et al.·Aug 27, 2024SaveLearn
Long-lived entanglement of molecules in magic-wavelength optical tweezersRealising quantum control and entanglement of particles is crucial for advancing both quantum technologies and fundamental science. Significant developments in this domain have been achieved in a…Daniel K. Ruttley, Tom R. Hepworth, Alexander Guttridge et al.·Aug 27, 2024SaveLearn
Performance of Antenna-based and Rydberg Quantum RF Sensors in the Electrically Small RegimeRydberg atom electric field sensors are tunable quantum sensors that can perform sensitive radio frequency (RF) measurements. Their qualities have piqued interest at longer wavelengths where their…K. M. Backes, P. K. Elgee, K. -J. LeBlanc et al.·Aug 27, 2024SaveLearn
Ionization potential of radium monofluorideThe ionization potential (IP) of radium monofluoride (RaF) was measured to be 4.969(2)[10] eV, revealing a relativistic enhancement in the series of alkaline earth monofluorides. The results are in…S. G. Wilkins, H. A. Perrett, S. M. Udrescu et al.·Aug 26, 2024SaveLearn
Effect of Rabi dynamics in resonant x-ray scattering of intense attosecond pulsesWe theoretically study the effects of Rabi oscillations on resonant x-ray scattering in Ne+ using intense attosecond and few-femtosecond pulses. The total photon yield strongly depends on the…Akilesh Venkatesh, Phay J. Ho·Aug 26, 2024SaveLearn
Electron recollisional excitation of OCS+ in phase-locked ω + 2ω intense laser fieldsPhotoelectron-photoion coincidence momentum imaging has been performed to investigate excitation processes on dissociative ionization of OCS, OCS OCS+ + e- OC + S+ + e-, in…Tomoyuki Endo, Tomohito Otobe, Ryuji Itakura·Aug 26, 2024SaveLearn
Integral equation approach for a hydrogen atom in a strong magnetic fieldThe problem of a hydrogen atom in a strong magnetic field is a notorious example of a quantum system that has genuinely different asymptotic behaviors in different directions. In the direction…B. P. Carter, Z. Papp·Aug 25, 2024SaveLearn
A Customizable Modular Control System for Ultracold ExperimentsWe implemented a control system for ultracold atom experiments. The system includes hardware modules that generate synchronized experiment signals of different kinds, and a protocol to communicate…Kaiyue Wang, Colin Parker·Aug 24, 2024SaveLearn
Electromagnetically-Induced-Transparency Cooling with a Tripod Structure in a Hyperfine Trapped Ion with Mixed-Species CrystalsCooling of atomic motion is a crucial tool for many branches of atomic physics, ranging from fundamental physics explorations to quantum information and sensing. For trapped ions,…J. J. Wu, P. -Y. Hou, S. D. Erickson et al.·Aug 23, 2024SaveLearn
Merging Two Molecular Beams of ND3 up to the Liouville LimitIn low-energy collisions between two dipolar molecules, the long-range dipole-dipole interaction plays an important role in the scattering dynamics. Merged beam configurations offer the lowest…Stach E. J. Kuijpers, André J. A. van Roij, Edwin Sweers et al.·Aug 23, 2024SaveLearn
A triaxial vectorization technique for a single-beam zero-field atomic magnetometer to suppress cross-axis projection errorZero-field optically pumped magnetometers (OPMs) have emerged as an important technology for biomagnetism due to their ulta-sensitive performance, contained within a non-cryogenic small-scale…Rach Dawson, Marcin S. Mrozowski, Dominic Hunter et al.·Aug 23, 2024SaveLearn
Quantum pathways interference in laser-induced electron diffraction revealed by a semiclassical methodWe develop a novel method for strong-laser-field physics based on the combination of the semiclassical Herman-Kluk propagator and the strong-field approximation and demonstrate its high accuracy on…Phi-Hung Tran, Van-Hung Hoang, Anh-Thu Le·Aug 22, 2024SaveLearn
A low-power microstructured atomic oven for alkaline-earth-like elementsAlkaline-earth-like elements play pivotal roles in advanced quantum sensing technologies, notably optical clocks, with unprecedented precision achieved in recent years. Despite remarkable progress,…Julian Pick, Julia Voß, Simon Hirt et al.·Aug 22, 2024SaveLearn
A Setup to Study Atomic State Population Dynamics and Optical Polarization at CRYRING@ESRWe present a recently established setup for laser spectroscopy at CRYRING@ESR at the GSI Helmholtz Centre for Heavy Ion Research. Here, laser spectroscopy can be performed on stored and cooled ion…K. Mohr, R. Sánchez, W. Nörtershäuser et al.·Aug 22, 2024SaveLearn
Observation of electric field induced superradiance slowdown in ultracold Rydberg atomic gasesAtoms excited to electronically high-lying Rydberg states decay to low-energy states through spontaneous emission processes. We investigate the impact of a static electric field on the superradiant…Yunhui He, Jingxu Bai, Yuechun Jiao et al.·Aug 22, 2024SaveLearn
Hanle effect for lifetime determinations in the soft X-ray regimeBy exciting a series of 1s2\, 1S0 1snp\, 1P1 transitions in helium-like nitrogen ions with linearly polarized monochromatic soft…Moto Togawa, Jan Richter, Chintan Shah et al.·Aug 22, 2024SaveLearn
High-accuracy Measurements of Core-excited Transitions in Light Li-like IonsThe transition energies of the two 1s-core-excited soft X-ray lines (dubbed q and r) from 1s2 2s 1S1/2 to the respective upper levels 1s(2S)2s2p(3P) 2P3/2 and 2P1/2 of…Moto Togawa, Steffen Kühn, Chintan Shah et al.·Aug 22, 2024SaveLearn
Fine-structure changing collisions in 87Rb upon D2 excitation in the hyperfine Paschen-Back regimeWe investigate fine structure changing collisions in 87Rb vapour upon D2 excitation in a thermal vapour at 350 K; the atoms are placed in a 0.6 T axial magnetic field in order to gain access to…Clare R. Higgins, Danielle Pizzey, Ifan G. Hughes·Aug 21, 2024SaveLearn
Rydberg electromagnetically induced transparency of 85Rb vapor in Ar, Ne and N2 gasesAn experimental study on Rydberg electromagnetically induced transparency (EIT) in rubidium (Rb) vapor cells containing inert gases at pressures 5 Torr is reported. Using an inert-gas-free Rb…Bineet Dash, Nithiwadee Thaicharoen, Eric Paradis et al.·Aug 21, 2024SaveLearn
Systematic study of confinement induced effects on atomic electronic structureWe point out that although a litany of studies have been published on atoms in hard-wall confinement, they have not been systematic or have not used robust numerical methods. We report a methodical…Hugo Åström, Susi Lehtola·Aug 21, 2024SaveLearn
Improved constraints on exotic interactions between electron and proton in hydrogenAtomic spectroscopy can be used to search for new bosons that carry exotic forces between elementary fermions. A comparison of a recent precise measurement [Bullis et al., Phys. Rev. Lett.…Lei Cong, Filip Ficek, Pavel Fadeev et al.·Aug 20, 2024SaveLearn
Observation of Asymmetric Sideband Generation in Strongly-driven Rydberg AtomsImproving the bandwidth of Rydberg atom-based receivers is an ongoing challenge owing to the long-lived Rydberg state lifetimes that limit the refresh rate of ground state atoms. In particular, the…Dangka Shylla, Nikunjkumar Prajapati, Andrew P. Rotunno et al.·Aug 20, 2024SaveLearn
Relativistic and Electron Correlation Effects in Static Dipole Polarizabilities for Main-Group ElementsIn this study, I compute the static dipole polarizability of main-group elements using the finite-field method combined with relativistic coupled-cluster and configuration interaction simulations.…YingXing Cheng·Aug 20, 2024SaveLearn
Reconfigurable circular polarization medium frequency atomic receiver using magneto-electric effectNonlinear magnetoelectric effect(NME) in alkali atomic vapor has applications in precision magnetometry in the radio-frequency domain. We report the application of the NME in alkali atomic vapors for…Sujit Garain, Surya Narayan Sahoo, Ashok K Mohapatra·Aug 19, 2024SaveLearn
Stopping of very heavy ions in MylarAvailable experimental data on Mylar stopping powers (SPs) for heavy ions (HIs) at energies 0.04 < E/A < 15 MeV/nucleon have been compared to different semi-empirical model calculations with the aim…R. N. Sagaidak·Aug 19, 2024SaveLearn