Practical Doppler broadening thermometryWe report initial research to develop a compact and practical primary thermometer based on Doppler broadening thermometry (DBT). The DBT sensor uses an intrinsic property of thermalized atoms,…Nicola Agnew, Graham Machin, Erling Riis et al.·Jul 12, 2023SaveLearn
Upgrade of the positron system of the ASACUSA-Cusp experimentThe ASACUSA-Cusp collaboration has recently upgraded the positron system to improve the production of antihydrogen. Previously, the experiment suffered from contamination of the vacuum in the…A. Lanz, C. Amsler, H. Breuker et al.·Jul 12, 2023SaveLearn
Remote Chip-Scale Quantum Sensing of Magnetic FieldsQuantum sensing is an ever-evolving research field describing the use of a quantum phenomenon to perform measurement of a physical quantity. Amongst different types of quantum sensors, atomic…Kfir Levi, Avital Giat, Liran Golan et al.·Jul 12, 2023SaveLearn
Quantum-Enhanced Metrology for Molecular Symmetry Violation using Decoherence-Free SubspacesWe propose a method to measure time-reversal symmetry violation in molecules that overcomes the standard quantum limit while leveraging decoherence-free subspaces to mitigate sensitivity to classical…Chi Zhang, Phelan Yu, Arian Jadbabaie et al.·Jul 12, 2023SaveLearn
High-order finite element method for atomic structure calculationsWe introduce featom, an open source code that implements a high-order finite element solver for the radial Schr\"odinger, Dirac, and Kohn-Sham equations. The formulation accommodates various…Ondřej Čertík, John E. Pask, Isuru Fernando et al.·Jul 12, 2023SaveLearn
Finite SSH chains coupled to a two-level emitter: Hybridization of edge and emitter statesThe Hamiltonian for the one-dimensional SSH chain is one of the simplest Hamiltonians that supports topological states. This work considers between one and three finite SSH chains with open boundary…C. I. Kvande, D. B. Hill, D. Blume·Jul 11, 2023SaveLearn
High density loading and collisional loss of laser cooled molecules in an optical trapWe report optical trapping of laser-cooled molecules at sufficient density to observe molecule-molecule collisions for the first time in a bulk gas. SrF molecules from a red-detuned magneto-optical…Varun Jorapur, Thomas K. Langin, Qian Wang et al.·Jul 11, 2023SaveLearn
FLUKA simulations of the target thickness dependence of Cu-Kβ/Kα intensity ratiosThe numerical Monte-Carlo simulations of Cu-Kα and Cu-Kβ fluorescence lines induced by monoenergetic Am-241 radiation in copper have been presented. The simulations included modeling the…Aneta Maria Gójska, Karol Kozioł, Ewelina Agnieszka Miśta-Jakubowska et al.·Jul 11, 2023SaveLearn
Autonomous feedback stabilization of a cavity-coupled spin oscillatorWe report out-of-equilibrium stabilization of the collective spin of an atomic ensemble through autonomous feedback by a driven optical cavity. For a magnetic field applied at an angle to the cavity…Julian Wolf, Olive H. Eilbott, Josh A. Isaacs et al.·Jul 10, 2023SaveLearn
Trapping and imaging single dysprosium atoms in optical tweezer arraysWe report the preparation and observation of single atoms of dysprosium in arrays of optical tweezers with a wavelength of 532 nm imaged on the intercombination line at 626 nm. We use the anisotropic…Damien Bloch, Britton Hofer, Sam R. Cohen et al.·Jul 10, 2023SaveLearn
Nuclear-spin-dependent corrections to the transition polarizability in cesiumThe Stark-interference technique is commonly used to amplify the feeble parity-violating signal in atomic experiments. As a result, interpretation of these experiments in terms of electroweak…D. Xiao, H. B. Tran Tan, A. Derevianko·Jul 9, 2023SaveLearn
Atomic screening and e+e- pair photoproduction at low energiesThe effect of screening by atomic electrons on the behavior of electron and positron wave functions in the continuous spectrum at small distances is studied. It is shown that these asymptotics are…P. A. Krachkov, A. I. Milstein·Jul 7, 2023SaveLearn
Autoionization of high- core-excited Rydberg states of alkaline-earth-metal atomsThe autoionization of core-excited Rydberg states is theoretically studied for a broad range of principal and angular-momentum quantum numbers n and in alkaline-earth-metal atoms. We…Eduardo Marin-Bujedo, Matthieu Génévriez·Jul 6, 2023SaveLearn
Controlling electron projectile coherence effects using twisted electronsIn traditional scattering theory, the incident projectile is assumed to have an infinite coherence length. However, over the last decade, experimental and theoretical studies of collisions using…A. L. Harris·Jul 5, 2023SaveLearn
Cold atom-ion systems in radiofrequency multipole traps: event-drive molecular dynamics and stochastic simulationsWe have studied the general aspects of the dynamics of an ion trapped in an ideal multipolar radiofrequency trap while interacting with a dense cold atomic gas. In particular, we have explored the…Mateo Londoño, Javier Madroñero, Jesús Pérez-Ríos·Jul 4, 2023SaveLearn
Experimental Access to Observing Decay from Extremely Long-Lived Metastable Electronic States via Penning Trap SpectrometryLong-lived ionic quantum states known as metastable electronic states in highly-charged ions (HCIs) are of great interest in fundamental physics. Especially, it generates transitions with very narrow…Bingsheng Tu, Ran Si, Yang Shen et al.·Jul 4, 2023SaveLearn
174Yb+-113Cd+ sympathetic-cooling bi-species Coulomb crystal applied to microwave frequency standardWe reported the realization of a 174Yb+-113Cd+ bi-species Coulomb crystal comprising 174Yb+ ions as coolant and verified its potential for application as…Y Zheng, H. R. Qin, S. N. Miao et al.·Jul 4, 2023SaveLearn
Exploring the vibrational series of pure trilobite Rydberg moleculesWe report on the observation of two vibrational series of pure trilobite rubidium Rydberg molecules. They are created via three-photon photoassociation and lie energetically more than 15 GHz below…Max Althön, Markus Exner, Richard Blättner et al.·Jul 4, 2023SaveLearn
Sympathetic cooling and slowing of molecules with Rydberg atomsWe propose to sympathetically slow and cool polar molecules in a cold, low-density beam using laser-cooled Rydberg atoms. The elastic collision cross sections between molecules and Rydberg atoms are…Chi Zhang, Seth T. Rittenhouse, Timur V. Tscherbul et al.·Jul 4, 2023SaveLearn
Enhanced Population on Ionic Excited States by Synchronized Ionization and Multiphoton ResonanceWe study population distributions and lasing actions of N2+ driven by femtosecond lasers with various wavelengths, and uncover an efficient ionic excitation mechanism induced by synchronized…Yewei Chen, Hongbin Lei, Quanjun Wang et al.·Jul 3, 2023SaveLearn
Ground state EIT cooling of 171Yb+ ionThe work propose a scheme of deep laser cooling of 171Yb+. The cooling is based on the effect of electromagnetically induced transparency (EIT) in a polychromatic field with three frequency…D. S. Krysenko, O. N. Prudnikov, A. V. Taichenachev et al.·Jul 3, 2023SaveLearn
Rydberg atom-based radio frequency sensors: amplitude regime sensingRydberg atom-based radio frequency electromagnetic field sensors are drawing wide-spread interest because of their unique properties, such as small size, dielectric construction, and…Matthias Schmidt, Stephanie M. Bohaichuk, Vijin Venu et al.·Jun 30, 2023SaveLearn
Engineering quantum control with twisted-light fields induced optical transitionsA novel form of quantum control is proposed by applying twisted-light also known as optical vortex beams to drive ultra-narrow atomic transitions in neutral Ca, Mg, Yb, Sr, Hg and Cd bosonic…T. Zanon-Willette, F. Impens, E. Arimondo et al.·Jun 30, 2023SaveLearn
A millimeter-wave atomic receiverRydberg quantum sensors are sensitive to radio-frequency fields across an ultra-wide frequency range spanning megahertz to terahertz electromagnetic waves resonant with Rydberg atom dipole…Remy Legaie, Georg Raithel, David A. Anderson·Jun 29, 2023SaveLearn
Optimal binary gratings for multi-wavelength magneto-optical trapsGrating magneto-optical traps are an enabling quantum technology for portable metrological devices with ultracold atoms. However, beam diffraction efficiency and angle are affected by wavelength,…Oliver S. Burrow, Robert J. Fasano, Wesley Brand et al.·Jun 29, 2023SaveLearn