Photoelectron angular distributions for photoionization of argon by two-color fieldsWe perform numerical simulations for photoionization of the argon atom when exposed to a combined field of an infrared laser (abbreviated IR) and its 13th harmonic (H13) by solving the Time-Dependent…Soumia Chqondi, Souhaila Chaddou, Abdelkader Makhoute·Aug 25, 2022SaveLearn
Room-temperature emission of muonium from aerogel and zeolite targetsA low-emittance, high-intensity atomic beam of muonium (M=μ+ + e-) using superfluid helium as muon-to-muonium converter is being developed at the Paul Scherrer Institute…A. Antognini, P. Crivelli, L. Gerchow et al.·Aug 24, 2022SaveLearn
Sub-barrier recollisions and the three classes of tunneling time delays in strong-field ionizationTunneling ionization is characterized by a negative time delay, observed asymptotically as a specific shift of the photoelectron momentum distribution, which is caused by the interference of the…Michael Klaiber, Daniel Bakucz Canário, Karen Z. Hatsagortsyan·Aug 23, 2022SaveLearn
An Intense, Continuous Cold Atom SourceWe demonstrate an intense, continuous cold atom beam generated via post nozzle seeding of a supersonic helium jet with 7Li atoms. The nozzle is cooled to about 4.4 K to reduce the forward velocity…William Huntington, Jeremy Glick, Michael Borysow et al.·Aug 22, 2022SaveLearn
Simultaneous Multi-Band Demodulation Using a Rydberg Atomic SensorElectric field sensors based on Rydberg atoms offer unique capabilities, relative to traditional sensors, for detecting radio-frequency signals. In this work, we demonstrate simultaneous demodulation…David H. Meyer, Joshua C. Hill, Paul D. Kunz et al.·Aug 22, 2022SaveLearn
Effects of gravity in extra dimensions in atomic phenomenaWe use the difference between theory and experiment for energy intervals in simple atomic systems (hydrogen, muonium, positronium and deuteron) to find limits on the size of extra space dimensions in…V. A. Dzuba, V. V. Flambaum, P. Munro-Laylim·Aug 22, 2022SaveLearn
Role of high nitrogen-vacancy concentration on the photoluminescence and Raman spectra of diamondWe present a photoluminescence (PL) and Raman spectroscopy study of various diamond samples that have high concentrations of nitrogen-vacancy (NV) color centers up to multiple parts per million…M. Jani, M. Mrózek, A. M. Nowakowska et al.·Aug 22, 2022SaveLearn
Radiation-field-driven ionization in laser-assisted slow atomic collisionsIt is generally assumed that for ionization processes, which occur in slow atomic collisions, the coupling of the colliding system to the quantum radiation field is irrelevant. Here we show, however,…A. Jacob, C. Müller, A. B. Voitkiv·Aug 21, 2022SaveLearn
Preparation of a quantum degenerate mixture of 23Na40K molecules and 40K atomsWe report on the preparation of a quantum degenerate mixture of 23Na40K molecules and 40K atoms. A deeply degenerate atomic mixture of 23Na and 40K atoms with a large number…Jin Cao, Huan Yang, Zhen Su et al.·Aug 20, 2022SaveLearn
A New Clock Transition with the Highest Sensitivity to α Variation and Simultaneous Magic Trapping Conditions with Other Clock Transitions in YbOptical lattice clocks are the prospective devices that can probe many subtle physics including temporal variation of the fine structure constant (αe). These studies necessitate…Zhi-Ming Tang, Yan-mei Yu, B. K. Sahoo et al.·Aug 19, 2022SaveLearn
Gaussian Basis Functions for a Polymer Self-Consistent Field Theory of AtomsA representation of polymer self-consistent field theory equivalent to quantum density functional theory is given in terms of non-orthogonal basis sets. Molecular integrals and self-consistent…Phil A. LeMaitre, Russell B. Thompson·Aug 18, 2022SaveLearn
In-vacuum microwave resonator for a compact cold atom frequency standardA physics package for a compact cold atomic clock is hereby presented. The uniqueness of this package is its small dimensions that enable, for the first time, implementation of a primary cold atomic…M. Givon, L. Habib, A. Waxman et al.·Aug 18, 2022SaveLearn
Probe field ellipticity-induced shift in an atomic clockWe investigate the probe field induced shift for atomic lattice-based and ion-trap clocks, which can be considered as a near resonant ac-Stark shift, connected to the Zeeman structure of atomic…V. I. Yudin, A. V. Taichenachev, O. N. Prudnikov et al.·Aug 16, 2022SaveLearn
Observation of vibrational dynamics of orientated Rydberg-atom-ion moleculesVibrational dynamics in conventional molecules usually takes place on a timescale of picoseconds or shorter. A striking exception are ultralong-range Rydberg molecules, for which dynamics is…Yi-Quan Zou, Moritz Berngruber, Viraatt S. V. Anasuri et al.·Aug 16, 2022SaveLearn
Modeling Line Broadening and Distortion Due to Spatially Non-Uniform Fields in Rydberg ElectrometryWe present a model for calculating broadened Autler-Townes spectra when probing ac electric field magnitudes by use of Rydberg atom electromagnetically-induced transparency. This model approximates…Andrew P. Rotunno, Amy K. Robinson, Samuel Berweger et al.·Aug 15, 2022SaveLearn
Impact of the ligand deformation on the P,T-violation effects in the YbOH moleculeThe ytterbium monohydroxide is a promising molecule for a new physics searches. It is well known that levels of the opposite parity, separated by the energy split, so-called l-doublets, define the…Anna Zakharova, Alexander Petrov·Aug 15, 2022SaveLearn
Observation of trap-assisted formation of atom-ion bound statesPairs of free particles cannot form bound states in elastic collision due to momentum and energy conservation. In many ultracold experiments, however, the particles collide in the presence of an…Meirav Pinkas, Or Katz, Jonathan Wengrowicz et al.·Aug 14, 2022SaveLearn
All-Electron, Density Functional-Based Method for Angle-Resolved Tunneling Ionization in the Adiabatic RegimeWe develop and test a method that integrates many-electron weak-field asymptotic theory (ME-WFAT) [Phys. Rev. A 89, 013421 (2014)] in the integral representation (IR) into the density functional…Imam S. Wahyutama, Denawakage D. Jayasinghe, François Mauger et al.·Aug 13, 2022SaveLearn
Large-momentum-transfer atom interferometers with μrad-accuracy using Bragg diffractionLarge-momentum-transfer~(LMT) atom interferometers using elastic Bragg scattering on light waves are among the most precise quantum sensors to date. To advance their accuracy from the mrad to the…Jan-Niclas Siemß, Florian Fitzek, Christian Schubert et al.·Aug 13, 2022SaveLearn
Observation of magnetic Feshbach resonances between Cs and 173YbWe report the first observation of magnetic Feshbach resonances between 173Yb and 133Cs. In a mixture of Cs atoms prepared in the (f=3, mf=3) state and unpolarized fermionic…Tobias Franzen, Alexander Guttridge, Kali E. Wilson et al.·Aug 12, 2022SaveLearn
Spin dynamics dominated by superexchange via virtual moleculesSimple, paradigmatic systems are important tools in understanding strongly correlated systems. One such system is the Bose-Hubbard model, which can be realized using atoms in optical lattices with…Yoo Kyung Lee, Hanzhen Lin, Wolfgang Ketterle·Aug 11, 2022SaveLearn
Optical mode conversion via spatiotemporally modulated atomic susceptibilityLight is an excellent medium for both classical and quantum information transmission due to its speed, manipulability, and abundant degrees of freedom into which to encode information. Recently,…Claire Baum, Matt Jaffe, Lukas Palm et al.·Aug 9, 2022SaveLearn
Measurement of hyperfine constants and the isotope shift of rubidium 5P1/2 excited-state using Saturated Absorption SpectroscopyThe Saturated Absorption Spectroscopy (SAS) was performed to measure the hyperfine energy splittings of rubidium 5P1/2 excited state using a homemade external-cavity diode laser (ECDL) operating…P. M. Rupasinghe, Fiona Wee, Thomas Bullock et al.·Aug 8, 2022SaveLearn
Compact single-seed, module-based laser system on a transportable high-precision atomic gravimeterA single-seed, module-based compact laser system is demonstrated on a transportable 87Rb-based high-precision atomic gravimeter. All the required laser frequencies for the atom…Fong En Oon, Rainer Dumke·Aug 8, 2022SaveLearn
Semiclassical strong-field theory of phase delays in ω -2ω above-threshold ionizationPhase and time delays of atomic above-threshold ionization were recently experimentally explored in an ω -2ω setting [Zipp et al, Optica 1, 361 (2014)]. The phases of wavepackets ejected…Diego G. Arbó, Sebastián D. López, Joachim Burgdörfer·Aug 8, 2022SaveLearn