Expanded view of electron-hole recollisions in solid-state high-order harmonic generation: Full-Brillouin-zone tunneling and imperfect recollisionsWe theoretically investigate electron-hole recollisions in high-harmonic generation (HHG) in band-gap solids irradiated by linearly and elliptically polarized drivers. We find that in many cases the…Lun Yue, Mette B. Gaarde·Feb 23, 2021SaveLearn
Nonlinear absorption in interacting Rydberg electromagnetically-induced-transparency spectra on two-photon resonanceWe experimentally investigate the nonlinear transmission spectrum of coherent light fields propagating through a Rydberg EIT medium with strong atomic interactions. In contrast to previous…Annika Tebben, Clément Hainaut, Andre Salzinger et al.·Feb 23, 2021SaveLearn
High harmonics from backscattering of delocalized electronsIt is shown that electron backscattering can enhance high-harmonic generation in periodic systems with broken translational symmetry. Paradigmatically, we derive for a finite chain of atoms the…Chuan Yu, Ulf Saalmann, Jan M. Rost·Feb 22, 2021SaveLearn
Explanation of the anomalous redshift on nonlinear X-ray Compton scattering spectrum by a bound electronNonlinear Compton scattering is an inelastic scattering process where a photon is emitted due to the interaction between an electron and an intense laser field. With the development of X-ray…S. Shi, J. Chen, Y. J. Yang et al.·Feb 20, 2021SaveLearn
Performance-optimized components for quantum technologies via additive manufacturingNovel quantum technologies and devices place unprecedented demands on the performance of experimental components, while their widespread deployment beyond the laboratory necessitates increased…S H Madkhaly, L A Coles, C Morley et al.·Feb 19, 2021SaveLearn
Coincident angle-resolved state-selective photoelectron spectroscopy of acetylene molecules: a candidate system for time-resolved dynamicsThe acetylene-vinylidene system serves as a benchmark for investigations of ultrafast dynamical processes where the coupling of the electronic and nuclear degrees of freedom provides a fertile…Suddhasattwa Mandal, Ram Gopal, Hemkumar Srinivas et al.·Feb 19, 2021SaveLearn
Photoionization of Rydberg Atoms in Optical LatticesWe develop a formalism for photoionization (PI) and potential energy curves (PECs) of Rydberg atoms in ponderomotive optical lattices and apply it to examples covering several regimes of the…Ryan Cardman, Jamie MacLennan, Sarah E. Anderson et al.·Feb 18, 2021SaveLearn
Isotope shifts for 1S0-3P0,1o Yb lines from multi-configuration Dirac-Hartree-Fock calculationsRelativistic multiconfiguration Dirac-Hartree-Fock (MCDHF) calculations with configuration interaction (CI) are carried out for the 1S0 and 3P0,1o states in neutral ytterbium by use…Jesse S. Schelfhout, John J. McFerran·Feb 17, 2021SaveLearn
Kinetic-beam-energy determination via collinear laser spectroscopyAn approach to determine the kinetic beam energy at the 10-5 level is presented, which corresponds to an improvement by more than one order of magnitude compared to conventional methods.…Kristian König, Kei Minamisono, Jeremy Lantis et al.·Feb 16, 2021SaveLearn
Extraordinary low systematic frequency shifts in bi-colour thulium optical clockOptical atomic clocks have already overcome the eighteenth decimal digit of instability and uncertainty demonstrating incredible control over external perturbations of the clock transition frequency.…A. Golovizin, D. Tregubov, E. Fedorova et al.·Feb 15, 2021SaveLearn
Conservation laws for Electron Vortices in Strong-Field IonisationWe investigate twisted electrons with a well defined orbital angular momentum, which have been ionised via a strong laser field. By formulating a new variant of the well-known strong field…Yuxin Kang, Emilio Pisanty, Marcelo Ciappina et al.·Feb 15, 2021SaveLearn
Motional resonances of three-dimensional dual-species Coulomb crystalsWe investigate the motional resonances of dual-species Coulomb crystals comprised of 9Be+ and 24Mg+ ions held in a 4-rod linear Paul trap. Our experimental data and simulations show…Byoung-moo Ann, Fabian Schmid, Jonas Krause et al.·Feb 15, 2021SaveLearn
High-order phase-dependent asymmetry in the above-threshold ionization plateauAbove-threshold ionization spectra from cesium are measured as a function of the carrier-envelope phase (CEP) using laser pulses centered at 3.1 μm wavelength. The directional asymmetry in the…M. Kübel, P. Wustelt, Y. Zhang et al.·Feb 13, 2021SaveLearn
Accurate Determination of an alkali-inert gas diffusion coefficient using coherent transient emission from a density gratingWe demonstrate a new technique for the accurate measurement of diffusion coefficients for alkali vapor in an inert buffer gas. The measurement was performed by establishing a spatially periodic…A. Pouliot, G. Carlse, T. Vacheresse et al.·Feb 12, 2021SaveLearn
Magnetometry with spin polarized Hydrogen from molecular photo-dissociationIn a recent publication [arXiv:2010.14579], we introduced a new type of atomic magnetometer, which relies on hydrohalide photo-dissociation to create high-density spin-polarized hydrogen. Here, we…Konstantinos Tazes, Alexandros K. Spiliotis, Michalis Xygkis et al.·Feb 12, 2021SaveLearn
One-electron ion in a quantizing magnetic fieldA charged particle in a magnetic field possesses discrete energy levels associated with particle rotation around the field lines. A bound complex of particles with a nonzero net charge possesses an…I. V. Demidov, A. Y. Potekhin·Feb 12, 2021SaveLearn
Strong-field triple ionization of atoms with p3 valence shellThe interaction of strong pulsed femtosecond laser field with atoms having three equivalent electrons in the outer shell (p3 configuration, e.g. nitrogen) is studied via numerical integration of a…Jakub S. Prauzner-Bechcicki, Dmitry K. Efimov, Michał Mandrysz et al.·Feb 12, 2021SaveLearn
Attoscience in Phase SpaceWe provide a brief review of how phase space techniques are explored within strong-field and attosecond science. This includes a broad overview of the existing landscape, with focus on strong-field…H. Chomet, C. Figueira de Morisson Faria·Feb 11, 2021SaveLearn
On possible ways for future redefinition of the SI time unitThe current methods for realization of the second with the highest accuracy through the frequency of the hyperfine transition between two levels of the ground state of the cesium 133 atom are…Viacheslav V. Khruschov·Feb 11, 2021SaveLearn
RCC calculation of electric dipole polarizability and correlation energy of Cn, Nh+ and Og: Correlation effects from lighter to superheavy elementsWe employ a fully relativistic coupled-cluster theory to calculate the ground-state electric dipole polarizability and electron correlation energy of superheavy elements Cn, Nh+ and Og. To assess…Ravi Kumar, S. Chattopadhyay, D. Angom et al.·Feb 10, 2021SaveLearn
P, T-odd Faraday rotation in intracavity absorption spectroscopy with molecular beam as a possible way to improve the sensitivity of the search for the time reflection noninvariant effects in natureThe present constraint on the space parity (P) and time reflection invariance (T) violating electron electric dipole moment (eEDM) is based on the observation of the…D. V. Chubukov, L. V. Skripnikov, A. N. Petrov et al.·Feb 9, 2021SaveLearn
Observation of Microwave Shielding of Ultracold MoleculesHarnessing the potential wide-ranging quantum science applications of molecules will require control of their interactions. Here, we use microwave radiation to directly engineer and tune the…Loïc Anderegg, Sean Burchesky, Yicheng Bao et al.·Feb 8, 2021SaveLearn
Synthetic dimension-induced conical intersections in Rydberg moleculesWe observe a series of conical intersections in the potential energy curves governing both the collision between a Rydberg atom and a ground-state atom and the structure of Rydberg molecules. By…Frederic Hummel, Matthew T. Eiles, Peter Schmelcher·Feb 5, 2021SaveLearn
An ultralow-noise superconducting radio-frequency ion trap for frequency metrology with highly charged ionsWe present a novel ultrastable superconducting radio-frequency (RF) ion trap realized as a combination of an RF cavity and a linear Paul trap. Its RF quadrupole mode at 34.52 MHz reaches a quality…J. Stark, C. Warnecke, S. Bogen et al.·Feb 4, 2021SaveLearn
Investigating the environmental dependence of ultralight scalar dark matter with atom interferometersWe study the environmental dependence of ultralight scalar dark matter (DM) with linear interactions to the standard model particles. The solution to the DM field turns out to be a sum of the cosmic…Wei Zhao, Dongfeng Gao, Jin Wang et al.·Feb 4, 2021SaveLearn