Molecular influence on nuclear-quadrupole-coupling effects in laser induced alignmentWe studied the effect of nuclear-quadrupole interactions on the field-free impulsive alignment of different asymmetric-top molecules. Our analysis is focused on the influence of the hyperfine- and…Linda V. Thesing, Andrey Yachmenev, Rosario González-Férez et al.·Aug 2, 2024SaveLearn
Measurement of microwave polarization using two polarization orthogonal local microwave electric fields in a Rydberg atom-based mixerWe propose and demonstrate a novel method for measuring the polarization direction of a microwave electric field in a single measurement using a Rydberg atom-based mixer with two orthogonally…Weibo Yin, Jianan Zhang, Fengdong Jia et al.·Aug 2, 2024SaveLearn
Investigating the hyperfine systematic error and relative phase in low spin-polarization alkali FID magnetometersAlkali-metal optically-pumped magnetometers are prone to inaccuracies arising from the overlap of the average F = I + 1/2 and F = I - 1/2 ground-state Zeeman resonances. We employ density-matrix…D. P. Hewatt, M. Ellmeier, C. Kiehl et al.·Aug 1, 2024SaveLearn
A neural network approach to running high-precision atomic computationsModern applications of atomic physics, including the determination of frequency standards, and the analysis of astrophysical spectra, require prediction of atomic properties with exquisite accuracy.…Pavlo Bilous, Charles Cheung, Marianna Safronova·Aug 1, 2024SaveLearn
Extracting doubly-excited state lifetimes in helium directly in the time domain with attosecond noncollinear four-wave-mixing spectroscopyThe helium atom, with one nucleus and two electrons, is a prototypical system to study quantum many-body dynamics. Doubly-excited states, or quantum states in which both electrons are excited by one…Patrick Rupprecht, Nicolette G. Puskar, Daniel M. Neumark et al.·Aug 1, 2024SaveLearn
Engineering Rydberg-pair interactions in divalent atoms with hyperfine-split ionization thresholdsQuantum information processing with neutral atoms relies on Rydberg excitation for entanglement generation. While the use of heavy divalent or open-shell elements, such as strontium or ytterbium, has…Frederic Hummel, Sebastian Weber, Johannes Moegerle et al.·Jul 31, 2024SaveLearn
Enhancing the Harrow-Hassidim-Lloyd (HHL) algorithm in systems with large condition numbersAlthough the Harrow-Hassidim-Lloyd (HHL) algorithm offers an exponential speedup in system size for treating linear equations of the form Ax=b on quantum computers when compared to…Peniel Bertrand Tsemo, Akshaya Jayashankar, K. Sugisaki et al.·Jul 31, 2024SaveLearn
Measurement of differential collisional excitation cross sections for the Kα emission of He-like oxygenWe measure the energy-differential cross sections for collisional excitation of the soft X-ray electric-dipole Kα (x+y+w) emission from He-like oxygen (O VII), using an electron beam ion…Filipe Grilo, Chintan Shah, José Marques et al.·Jul 30, 2024SaveLearn
Heavy-particle quantum electrodynamicsThe quantum electrodynamic formalism is presented for the systematic and exact in Z\,α derivation of nuclear recoil corrections in hydrogenic systems.Krzysztof Pachucki, Vladimir A. Yerokhin·Jul 30, 2024SaveLearn
Ultra-precise holographic optical tweezers arrayNeutral atoms trapped in microscopic optical tweezers have emerged as a growing platform for quantum science. Achieving homogeneity over the tweezers array is an important technical requirement, and…Yuki Torii Chew, Martin Poitrinal, Takafumi Tomita et al.·Jul 30, 2024SaveLearn
Rydberg atom-based microwave electrometry using polarization spectroscopyIn this study, we investigated Rydberg atom-based microwave electrometry using polarization spectroscopy in a room-temperature vapor cell. By measuring Autler-Townes splitting in the…Naomy Duarte Gomes, Vinicius Marrara Pepino, Ben-Hur Viana Borges et al.·Jul 29, 2024SaveLearn
Complete three-dimensional vector polarimetry with a Rydberg atom rf electrometerRadio frequency (rf) receivers using Rydberg atoms offer appealing features over classical sensors, such as their size, frequency tuning range, and lack of field absorption. In this work, we extend…Peter K. Elgee, Kevin C. Cox, Joshua C. Hill et al.·Jul 29, 2024SaveLearn
Optical Cycling and Sensitivity to the Electron's Electric Dipole Moment in Gold-Containing MoleculesWe propose diatomic molecules built from gold and carbon-group atoms as promising candidates for optical cycling and precision measurements. We show that this class of molecules (AuX, X = C, Si, Ge,…K. Cooper Stuntz, Kendall L. Rice, Lan Cheng et al.·Jul 28, 2024SaveLearn
Probing molecular photophysics in a matter-wave interferometerWe show that matter-wave diffraction off a single standing laser wave can be used as an accurate measurement scheme for photophysical molecular parameters. These include state-dependent optical…Lukas Martinetz, Benjamin A. Stickler, Ksenija Simonović et al.·Jul 26, 2024SaveLearn
Continuous cavity-QED with an atomic beamAtoms coupled to cavities provide an exciting playground for the study of fundamental interactions of atoms mediated through a common channel. Many of the applications of cavity-QED and cold-atom…Francesca Famà, Sheng Zhou, Benedikt Heizenreder et al.·Jul 26, 2024SaveLearn
Spin hierarchy in van der Waals molecule formation via ultracold three-body recombinationWe theoretically investigate the product-state distribution of weakly bound diatomic van der Waals molecules via ultracold three-body recombination of bosonic alkali atoms. We find a two-level…Jing-Lun Li, Paul S. Julienne, Johannes Hecker Denschlag et al.·Jul 26, 2024SaveLearn
Interaction of vector light beams with atoms exposed to a time-dependent magnetic fieldDuring recent years interest has been rising for applications of vector light beams towards magnetic field sensing. In particular, a series of experiments were performed to extract information about…Shreyas Ramakrishna, Riaan P. Schmidt, Anton A. Peshkov et al.·Jul 25, 2024SaveLearn
Changing the paradigm in f-containing cold molecules: the impact of spin-orbit coupling and f-d transitions on quasi-bound vibrational statesPresent-day state-of-the-art ab initio many-body calculations on f-block containing cold molecules heavily focus on perturbative approaches for spin-orbit coupling and exclude a substantial part of…Marta Gałyńska, Matheus M. F. de Moraes, Paweł Tecmer et al.·Jul 24, 2024SaveLearn
Multiphoton dressed Rydberg excitations in a microwave cavity with ultracold Rb atomsWe investigate magneto-optical trap loss spectroscopy of Rydberg excited 85Rb (66≤ n ≤ 68~S1/2) atoms, placed inside a tailored microwave cavity. The cavity frequency at 13.053 GHz is…J. D. Massayuki Kondo, Seth T. Rittenhouse, Daniel Varela Magalhaes et al.·Jul 23, 2024SaveLearn
Magnetic Resonance Linewidth of Alkali-Metal Vapor in Unresolved Zeeman Resonance RegimeThe study of magnetic resonance linewidth is crucial in magnetic resonance physics and its applications. Previous studies focused on the linewidth of alkali metal atoms within the spin-exchange…Feng Tang, Nan Zhao·Jul 23, 2024SaveLearn
Zero-energy photoelectric effectWe predict a near-threshold ("zero energy") peak in multi-photon ionization for a dynamical regime where the photon frequency is large compared to the binding energy of the electron. The peak…Sajad Azizi, Ulf Saalmann, Jan M. Rost·Jul 23, 2024SaveLearn
Ultrafast Dynamics of the Rydberg States of CO2: Autoionization and Dissociation LifetimesWe report the measurement of ultrafast relaxation dynamics of excited states of carbon dioxide molecule using time-resolved pump-probe photoelectron spectroscopy. Neutral ground state carbon dioxide…D. Biswas, J. K. Wood, I. Shalaby et al.·Jul 22, 2024SaveLearn
Distributed network of optically pumped magnetometers for space weather monitoringSpatial variation in the intensity of magnetospheric and ionospheric fluctuation during solar storms creates ground-induced currents, of importance in both infrastructure engineering and geophysical…M. S. Mrozowski, A. S. Bell, P. F. Griffin et al.·Jul 22, 2024SaveLearn
GRASIAN: Shaping and characterization of the cold hydrogen and deuterium beams for the forthcoming first demonstration of gravitational quantum states of atomsA low energy particle confined by a horizontal reflective surface and gravity settles in gravitationally bound quantum states. These gravitational quantum states (GQS) were so far only observed with…Carina Killian, Philipp Blumer, Paolo Crivelli et al.·Jul 22, 2024SaveLearn
Ultracold charged atom-dimer collisions: state-selective charge exchange and three-body recombinationBased on an accurate determination of the potential energy surfaces of Rb3+ correlated to its first asymptotic limit Rb++Rb(5s)+Rb(5s), we identify the presence of intersections of a…Amrendra Pandey, Romain Vexiau, Luis Gustavo Marcassa et al.·Jul 20, 2024SaveLearn