High Phase-Space Density of Laser-Cooled Molecules in an Optical LatticeWe report laser cooling and trapping of yttrium monoxide (YO) molecules in an optical lattice. We show that gray molasses cooling remains exceptionally efficient for YO molecules inside the lattice…Yewei Wu, Justin J. Burau, Kameron Mehling et al.·Jul 13, 2021SaveLearn
Carrier-Suppressed Multiple Single-Sideband Laser Source for Atom Cooling and InterferometryWe present a new electro-optic modulation technique that enables a single laser diode to realize a cold-atom source and a quantum inertial sensor based on matter-wave interferometry. Using…S. Templier, J. Hauden, P. Cheiney et al.·Jul 13, 2021SaveLearn
Atomic structure calculations of helium with correlated exponential functionsThe technique of quantum electrodynamics (QED) calculations of energy levels in the helium atom is reviewed. The calculations start with the solution of the Schr\"odinger equation and account for…Vladimir A. Yerokhin, Vojtech Patkos, Krzysztof Pachucki·Jul 13, 2021SaveLearn
Measuring the photoelectron emission delay in the molecular frameIf matter absorbs a photon of sufficient energy it emits an electron. The question of the duration of the emission process has intrigued scientists for decades. With the advent of attosecond…Jonas Rist, Kim Klyssek, Nikolay M. Novikovskiy et al.·Jul 13, 2021SaveLearn
Atom-surface physics: A reviewAn atom in front of a surface is one of the simplest and fundamental problem in physics. Yet, it allows testing quantum electrodynamics, while providing potential platforms and interfaces for quantum…Athanasios Laliotis, Bing-Sui Lu, Martial Ducloy et al.·Jul 13, 2021SaveLearn
Controlling resonant enhancement in higher-order harmonic generationWe present a method to tune the resonantly enhanced harmonic emission from engineered potentials, which would be experimentally feasible in the purview of the recent advances in atomic and condensed…Rambabu Rajpoot, Amol R. Holkundkar, Jayendra N. Bandyopadhyay·Jul 12, 2021SaveLearn
A Compact Cold-Atom Interferometer with a High Data-Rate Grating Magneto-Optical Trap and a Photonic-Integrated-Circuit-Compatible Laser SystemThe extreme miniaturization of a cold-atom interferometer accelerometer requires the development of novel technologies and architectures for the interferometer subsystems. Here we describe several…Jongmin Lee, Roger Ding, Justin Christensen et al.·Jul 10, 2021SaveLearn
New apparatus design for high-precision measurement ofG with atom interferometryWe propose a new scheme for an improved determination of the Newtonian gravitational constant G and evaluate it by numerical simulations. Cold atoms in free fall are probed by atom interferometry…M. Jain, G. M. Tino, L. Cacciapuoti et al.·Jul 9, 2021SaveLearn
High Resolution Spectroscopy of Neutral Yb Atoms in a Solid Ne MatrixWe present an experimental and theoretical study of the absorption and emission spectra of Yb atoms in a solid Ne matrix at a resolution of 0.025 nm. Five absorption bands were identified as due to…R. Lambo, C. -Y. Xu, S. T. Pratt et al.·Jul 9, 2021SaveLearn
Detailed study of quantum path interferences in high harmonic generation driven by chirped laser pulsesWe investigate the electron quantum path interference effects during high harmonic generation in atomic gas medium driven by ultrashort chirped laser pulses. To achieve that, we identify and vary the…Tamás Csizmadia, Lénárd Gulyás Oldal, Peng Ye et al.·Jul 8, 2021SaveLearn
Optical Excitation and Trapping of 81KrWe have realized optical excitation, trapping and detection of the radioisotope 81Kr with an isotopic abundance of 0.9 ppt. The 124 nm light needed for the production of metastable atoms is…Jie. S. Wang, F. Ritterbusch, X. -Z. Dong et al.·Jul 8, 2021SaveLearn
On the electrostatic interactions involving long-range Rydberg moleculesA ground state atom immersed in the wave function of the valence electron of a Rydberg atom can generate a long-range Rydberg molecule (LRRM). In this work, using the multipole expansion of the…H. Rivera-Rodriguez, R. Jauregui·Jul 7, 2021SaveLearn
Multi-pass guided atomic Sagnac interferometer for high-performance rotation sensingMatter-wave interferometry with atoms propagating in a guiding potential is expected to provide compact, scalable and precise inertial sensing. However, a rotation sensing device based on the Sagnac…Samuel Moukouri, Yonathan Japha, Mark Keil et al.·Jul 7, 2021SaveLearn
Prospects of a Pb2+ ion clockWe propose a high-performance atomic clock based on the 1.81 PHz transition between the ground and first-excited state of doubly ionized lead. Utilizing an even isotope of lead, both clock states…K. Beloy·Jul 7, 2021SaveLearn
AC polarizability and photoionization cross-section measurements in an optical latticeWe use double-resonant two-photon laser spectroscopy to measure the dynamic scalar polarizability of the rubidium 5D3/2 level, αS5D3/2, at a wavelength of λ=1064~nm.…Ryan Cardman, Xiaoxuan Han, Jamie L. MacLennan et al.·Jul 6, 2021SaveLearn
Ionization potentials and electron affinity of oganessonWe present high accuracy relativistic coupled cluster calculations of the first and second ionisation potentials and the electron affinity of the heaviest element in the Periodic Table, Og. The…Yangyang Guo, Lukáš Félix Pašteka, Ephraim Eliav et al.·Jul 5, 2021SaveLearn
Beyond Fowler-Nordheim model: Harmonic generation from metallic nano-structuresMetallic structures interacting with electromagnetic fields are known to exhibit properties similar to those found in atoms and molecules, such as multi-photon and tunnel ionization. Developing this…Seyedmohammad Yusofsani, Miroslav Kolesik·Jul 4, 2021SaveLearn
Nondipole Coulomb sub-barrier ionization dynamics and photon momentum sharingThe nondipole under-the-barrier dynamics of the electron during strong-field tunneling ionization is investigated, examining the role of the Coulomb field of the atomic core. The common analysis in…Pei-Lun He, Michael Klaiber, Karen Z. Hatsagortsyan et al.·Jul 4, 2021SaveLearn
Rates of convergence of the partial-wave expansion beyond Kato's cusp condition II: evaluations for the prefactors on the ground state of the helium atomThis article is a continuation of our previous work (Phys. Rev. A 88, 032511 (2013)). The prefactors for the partial-wave expansion of the helium atom are derived. Due to series of cancellations, the…Cong Wang·Jul 3, 2021SaveLearn
Distribution of the total angular momentum in relativistic configurationsThis paper is devoted to the analysis of the distribution of the total angular momentum in a relativistic configuration. Using cumulants and generating function formalism this analysis can be reduced…Michel Poirier, Jean-Christophe Pain·Jul 2, 2021SaveLearn
Real-Space Inversion and Super-Resolution of Ultrafast ScatteringUltrafast scattering using X-rays or electrons is an emerging method to obtain structure dynamics at the atomic length and time scales. However, directly resolving in real-space atomic motions is…Adi Natan·Jul 2, 2021SaveLearn
Nondipole photoelectron momentum shifts in strong-field ionization with mid-infrared laser pulses of long durationWe consider atomic strong-field ionization in the long-pulse limit for linearly polarized infrared laser fields. We show how nondipole effects in the plane formed by the propagation and polarization…Mads Middelhede Lund, Lars Bojer Madsen·Jul 1, 2021SaveLearn
Molecular structure retrieval directly from laboratory-frame photoelectron spectra in laser-induced electron diffractionUbiquitous to most molecular scattering methods is the challenge to retrieve bond distance and angle from the scattering signals since this requires convergence of pattern matching algorithms or…A. Sanchez, K. Amini, S. -J. Wang et al.·Jul 1, 2021SaveLearn
Measurement of a helium tune-out frequency: an independent test of quantum electrodynamicsDespite quantum electrodynamics (QED) being one of the most stringently tested theories underpinning modern physics, recent precision atomic spectroscopy measurements have uncovered several small…B. M. Henson, J. A. Ross, K. F. Thomas et al.·Jun 30, 2021SaveLearn
Micromotion minimisation by synchronous detection of parametrically excited motionPrecise control of charged particles in radio-frequency (Paul) traps requires minimising excess micromotion induced by stray electric fields. We present a method to detect and compensate such fields…D. P. Nadlinger, P. Drmota, D. Main et al.·Jun 30, 2021SaveLearn