Polarizabilities as Probes for P, T, and PT ViolationSearches for violations of the fundamental symmetries of parity P and time reversal T in atomic and molecular systems provide a powerful tool for precise measurements of the physics of and beyond the…Sebastian Lahs, Daniel Comparat·Jul 19, 2024SaveLearn
Circular Dichroism in Multiphoton Ionization of Resonantly Excited Helium Ions near Channel ClosingThe circular dichroism (CD) of photoelectrons generated by near-infrared (NIR) laser pulses using multiphoton ionization of excited He+ ions in the 3p(m=+1) state. The ions were prepared by…Rene Wagner, Markus Ilchen, Nicolas Douguet et al.·Jul 19, 2024SaveLearn
Angular momentum dependence in multiphoton ionization and attosecond time delaysAttosecond ionization time-delays at photoelectron energies above typically 10 eV are usually interpreted using the so called asymptotic approximation as a sum of the atomic or molecular delays with…Jakub Benda, Zdeněk Mašín, Sreelakshmi Palakkal et al.·Jul 19, 2024SaveLearn
Measurement of Casimir-Polder interaction for slow atoms through a material gratingWe present a method utilizing atomic diffraction patterns and statistical analysis tools to infer the Casimir-Polder interaction between Argon atoms and a silicon nitride nanograting. The quantum…Julien Lecoffre, Ayoub Hadi, Matthieu Bruneau et al.·Jul 19, 2024SaveLearn
Multi-reservoir enhanced loading of tweezer atom arraysWe introduce a species-independent method for improved loading into a single-atom optical tweezer array, utilizing iterative loading with multiple reservoir tweezers. Demonstrated with dual…Xu Yan, Chengdong He, Kai Wen et al.·Jul 16, 2024SaveLearn
Rydberg electromagnetically induced transparency based laser lock to Zeeman sublevels with 0.6 GHz scanning rangeWe propose a technique for frequency locking a laser to the Zeeman sublevel transitions between the 5P3/2 intermediate and 32D5/2 Rydberg states in 87Rb. This method allows for…Alexey Vylegzhanin, Sile Nic Chormaic, Dylan J. Brown·Jul 16, 2024SaveLearn
Thermal Emission of Strontium in a Cryogenic Buffer Gas Beam SourceWe demonstrate production of cold atomic strontium (Sr) and strontium-containing molecules (SrOH) in a cryogenic buffer gas beam source via direct heating of strontium oxide (SrO) with 30 mJ laser…Andrew Winnicki, Zack D. Lasner, John M. Doyle·Jul 13, 2024SaveLearn
Cooling of gold cluster anions, AuN-, N=2-13,15, in a cryogenic ion-beam storage ringWe have measured the spontaneous and photo-induced decays of anionic gold clusters, AuN-, with sizes ranging from N = 2 to 13, and 15. After production in a sputter ion source, the…Klavs Hansen, Tian Weihao, Emma K. Anderson et al.·Jul 13, 2024SaveLearn
Analytical Expression for Continuum-continuum Transition Amplitude of Hydrogen-like Atoms with Angular-momentum DependenceAttosecond chronoscopy typically utilises interfering two-photon transitions to access the phase information. Simulating these two-photon transitions is challenging due to the continuum-continuum…Jia-Bao Ji, Kiyoshi Ueda, Meng Han et al.·Jul 12, 2024SaveLearn
Buffer gas cooling of carbon atomsWe demonstrate buffer gas cooling of carbon atoms to cryogenic temperatures. By employing pulsed two-photon excitation followed by vacuum ultraviolet fluorescence detection, we measured the arrival…Takashi Sakamoto, Kohei Suzuki, Kosuke Yoshioka·Jul 12, 2024SaveLearn
Hyperfine-to-rotational energy transfer in ultracold atom-molecule collisionsEnergy transfer between different mechanical degrees of freedom in atom-molecule collisions has been widely studied and largely understood. However, systems involving spins remain less explored,…Yi-Xiang Liu, Lingbang Zhu, Jeshurun Luke et al.·Jul 11, 2024SaveLearn
A definition of the SI second based on several optical transitionsA new definition of the SI second based on optical transitions is expected to be adopted within the next 10 years. Several options for this redefinition are currently under consideration. Among them,…Jérôme Lodewyck·Jul 11, 2024SaveLearn
Few-electron highly charged muonic Ar atoms verified by electronic K x raysElectronic K x rays emitted by muonic Ar atoms in the gas phase were observed using a superconducting transition-edge-sensor microcalorimeter. The high-precision energy spectra provided a clear…T. Okumura, T. Azuma, D. A. Bennett et al.·Jul 10, 2024SaveLearn
Atom interferometry in an Einstein ElevatorRecent advances in atom interferometry have led to the development of quantum inertial sensors with outstanding performance in terms of sensitivity, accuracy, and long-term stability. For…Celia Pelluet, Romain Arguel, Martin Rabault et al.·Jul 9, 2024SaveLearn
Quantum control of ion-atom collisions beyond the ultracold regimeTunable scattering resonances are crucial for controlling atomic and molecular systems. However, their use has so far been limited to ultracold temperatures. These conditions remain hard to achieve…Maks Z. Walewski, Matthew D. Frye, Or Katz et al.·Jul 8, 2024SaveLearn
Faraday laser pumped cesium beam clockWe realize a high-performance compact optically pumped cesium beam clock using Faraday laser simultaneously as pumping and detection lasers. The Faraday laser, which is frequency stabilized by…Hangbo Shi, Xiaomin Qin, Haijun Chen et al.·Jul 8, 2024SaveLearn
Closed-loop measurements in an atom interferometer gyroscope with velocity-dependent phase-dispersion compensationAtom interferometer-based gyroscopes are expected to have a wide range of applications due to their high sensitivity. However, their dynamic range is limited by dephasing caused by velocity-dependent…Tomoya Sato, Naoki Nishimura, Naoki Kaku et al.·Jul 8, 2024SaveLearn
Continuous broadband Rydberg receiver using AC Stark shifts and Floquet StatesWe demonstrate the continuous broadband microwave receivers based on AC Stark shifts and Floquet States of Rydberg levels in a cesium atomic vapor cell. The resonant transition frequency of two…Danni Song, Yuechun Jiao, Jinlian Hu et al.·Jul 8, 2024SaveLearn
Relativistic Exact Two-Component Coupled-Cluster Study of Molecular Sensitivity Factors for Nuclear Schiff MomentsRelativistic exact two-component coupled-cluster calculations of molecular sensitivity factors for nuclear Schiff moments (NSMs) are reported. We focus on molecules containing heavy nuclei,…Tianxiang Chen, Chaoqun Zhang, Lan Cheng et al.·Jul 6, 2024SaveLearn
Cavity QED in a High NA ResonatorFrom fundamental studies of light-matter interaction to applications in quantum networking and sensing, cavity quantum electrodynamics (QED) provides a platform-crossing toolbox to control…Danial Shadmany, Aishwarya Kumar, Anna Soper et al.·Jul 5, 2024SaveLearn
Transmission spectroscopy of CF4 molecules in intense x-ray fieldsThe nonlinear interaction of x-rays with matter is at the heart of understanding and controlling ultrafast molecular dynamics from an atom-specific viewpoint, providing new scientific and analytical…Rui Jin, Adam Fouda, Alexander Magunia et al.·Jul 5, 2024SaveLearn
Quantum Electrodynamics in Strong Electromagnetic Fields: Substate Resolved Kα Transition Energies in Helium-like UraniumUsing novel metallic magnetic calorimeter detectors at the CRYRING@ESR, we recorded X-ray spectra of stored and electron cooled helium-like uranium (U90+) with an unmatched spectral resolution…Philip Pfäfflein, Günter Weber, Steffen Allgeier et al.·Jul 4, 2024SaveLearn
Synchronous Comparison of Two Thulium Optical ClocksThe experimental comparison of two thulium optical lattice clocks in a time interval of up to one hour has been carried out. The synchronous comparison of a clock transition in two independent atomic…A. Golovizin, D. Mishin, D. Provorchenko et al.·Jul 4, 2024SaveLearn
Interacting Circular Rydberg Atoms Trapped in Optical TweezersCircular Rydberg atoms (CRAs), i.e., Rydberg atoms with maximal orbital momentum, ideally combine long coherence times and strong interactions, a key property of quantum systems, in particular for…Paul Méhaignerie, Yohann Machu, Andrés Durán Hernández et al.·Jul 4, 2024SaveLearn
Radiative corrections of the order α\,(Z\,α)6 for rotational states of two-body systemsThe analytical calculation of the complete α\,(Z\,α)6 one-loop radiative correction to energies of two-body systems with the angular momenta l>0, consisting of a pointlike particle and…Vojtěch Patkóš, Krzysztof Pachucki·Jul 3, 2024SaveLearn