Strong-field response time and its implications on attosecond measurementTo measure and control the electron motion in atoms and molecules by the strong laser field on the attosecond time scale is one of the research frontiers of atomic and molecular photophysics. It…Chao Chen, Jiayin Che, Shang Wang et al.·Apr 12, 2021SaveLearn
Effect of chlorination on positron binding to hydrocarbons: experiment and theoryMeasured and calculated positron binding energies are presented for a range of hydrocarbons with up to six carbon atoms (viz., methane, acetylene, ethylene, ethane, propane, butane, and hexane) and…A. R. Swann, G. F. Gribakin, J. R. Danielson et al.·Apr 12, 2021SaveLearn
Time delay in electron collision with a spherical target as a function of the scattering angleWe have studied the angular time delay in slow-electron elastic scattering by spherical targets as well as the average time delay of electrons in this process. It is demonstrated how the angular time…M. Ya. Amusia, A. S. Baltenkov, I. Woiciechowski·Apr 10, 2021SaveLearn
Hydrogen Atom: Its Spectrum and Degeneracy Importance of the Laplace-Runge-Lenz VectorConsider the problem: why does the bound state spectrum E(n) < 0, of hydrogen atom Hamiltonian H have more degenerate eigenstates than those required by rotational symmetry? The answer is well…Akshay Pal, Siddhartha Sen·Apr 9, 2021SaveLearn
Temporal characterization of electron dynamics in attosecond XUV and infrared laser fieldsWe use a Wigner distribution-like function based on the strong field approximation theory to obtain the time-energy distributions and the ionization time distributions of electrons ionized by an XUV…L. Guo, Y. Jia, M. Q. Liu et al.·Apr 9, 2021SaveLearn
Landau Damping in the Transverse Modulational Dynamics of Co-Propagating Light and Matter BeamsThe optomechanical coupling and transverse stability of a co-propagating monochromatic electromagnetic wave and mono-energetic beam of two-level atoms is investigated in the collisionless regime. The…Christopher Limbach·Apr 8, 2021SaveLearn
Accurate Born-Oppenheimer potentials for excited + states of the hydrogen moleculeWe report on highly accurate calculations of Born-Oppenheimer potentials for excited n\,+ states of the hydrogen molecule for all possible combinations of singlet/triplet and…Michał Siłkowski, Magdalena Zientkiewicz, Krzysztof Pachucki·Apr 7, 2021SaveLearn
Matter-wave Atomic Gradiometer Interferometric Sensor (MAGIS-100)MAGIS-100 is a next-generation quantum sensor under construction at Fermilab that aims to explore fundamental physics with atom interferometry over a 100-meter baseline. This novel detector will…Mahiro Abe, Philip Adamson, Marcel Borcean et al.·Apr 7, 2021SaveLearn
Resonant control of photoelectron directionality by interfering one- and two-photon pathwaysCoherent control of interfering one- and two-photon processes has for decades been the subject of research to achieve the redirection of photocurrent. The present study develops two-pathway coherent…Yimeng Wang, Chris H. Greene·Apr 2, 2021SaveLearn
Optical Measurement of Photorecombination Time DelaysRecollision physics and attosecond pulse generation meld the precision of optics with collision physics. As a follow-up to our previous work, we reveal a new direction for the study of electronic…Chunmei Zhang, Graham G. Brown, Dong Hyuk Ko et al.·Apr 2, 2021SaveLearn
Anisotropic thermalization of dilute dipolar gasesWe study collisional rethermalization in ultracold dipolar thermal gases, made intricate by their anisotropic differential cross sections. Theoretical methods are provided to derive the number of…Reuben R. W. Wang, John L. Bohn·Apr 1, 2021SaveLearn
Two dimensional Quantum droplets in random repulsive potentialWe have studied the effect of time-independent repulsive random impurity potential on the quantum droplets of Bose-Einstein condensation of two different species of Bose atoms in two dimensions. We…Saswata Sahu, Dwipesh Majumder·Apr 1, 2021SaveLearn
Autoionizing Polaritons in Attosecond Atomic IonizationLight-induced states are commonly observed in the photoionization spectra of laser-dressed atoms. The properties of autoionizing polaritons, entangled states of light and Auger resonances, however,…Nathan Harkema, Coleman Cariker, Eva Lindroth et al.·Mar 31, 2021SaveLearn
Exploring a novel model for projectile charge state distribution inside a solid-targetFor the first time, we report a theoretical methodology to predict charge state distribution of projectile ions inside a solid-target. The method utilizes either a simple Fermi gas model or an ab…Soumya Chatterjee, Prashant Sharma, D. Mitra et al.·Mar 31, 2021SaveLearn
Measuring Coulomb-Induced Ionization Time Lag with a Calibrated AttoclockElectrons in atoms and molecules can not react immediately to the action of intense laser field. A time lag (about 100 attoseconds) between instants of the field maximum and the ionization-rate…J. Y. Che, C. Chen, S. Wang et al.·Mar 31, 2021SaveLearn
Calculation of multiphoton ionization amplitudes and cross sections of few-electron atomsWe present a theoretical method for calculating multiphoton ionization amplitudes and cross sections of few-electron atoms. The present approach is based on an extraction of partial wave amplitudes…Andrej Mihelic, Martin Horvat·Mar 30, 2021SaveLearn
Femtosecond envelope of the high-harmonic emission from ablation plasmasWe characterize the temporal profile of the high-order harmonic emission from ablation plasma plumes using cross-correlations with the infrared (IR) laser beam provided by 2-photon harmonic+IR…Stefan Haessler, Luc Bertrand {Elouga Bom}, Olivier Gobert et al.·Mar 30, 2021SaveLearn
Self-probing of Molecules with High Harmonic GenerationThis tutorial presents the most important aspects of the molecular self-probing paradigm, which views the process of high harmonic generation as "a molecule being probed by one of its own electrons".…Stefan Haessler, Jérémie Caillat, Pascal Salières·Mar 30, 2021SaveLearn
A global phase fitting approach for the analysis of 129Xe electric dipole moment measurementsMeasuring the size of permanent electric dipole moments (EDM) of a particle or system provides a powerful tool to test Beyond-the-Standard-Model physics. The diamagnetic 129Xe atom is one of the…Tianhao Liu·Mar 30, 2021SaveLearn
Optical cycling of AlF moleculesAluminium monofluoride (AlF) is a promising candidate for laser cooling and trapping at high densities. We show efficient production of AlF in a bright, pulsed cryogenic buffer gas beam, and…Simon Hofsäss, Maximilian Doppelbauer, Sid Wright et al.·Mar 29, 2021SaveLearn
Relativistic calculations of the chemical properties of the superheavy element with Z=119 and its homologuesRelativistic calculations of the electronic structure of the superheavy element of the eighth period - eka-francium (Z=119) and its homologues, which form the group of alkali metals, are…I. I. Tupitsyn, A. V. Malyshev, D. A. Glazov et al.·Mar 29, 2021SaveLearn
Potentials, exchange, and correlation in attosecond photoemission delaysWe investigate attosecond time delays in the emission of photoelectrons using a hierarchy of models of the CO2 molecule including the strong field approximation, Coulomb-scattering, short-range…Hakon Volkmann, Vinay P. Majety, Armin Scrinzi·Mar 26, 2021SaveLearn
Black-body radiation induced facilitated excitation of Rydberg atoms in optical tweezersBlack-body radiation, omnipresent at room temperature, couples nearby Rydberg states. The resulting state mixture features strong dipolar interactions, which may induce dephasing in a Rydberg…Lorenzo Festa, Nikolaus Lorenz, Lea-Marina Steinert et al.·Mar 26, 2021SaveLearn
Analysis of nonresonant effects in the two-photon spectroscopy of heliumIn the present paper, we study nonresonant corrections for experimental measurements of the transition frequencies in the helium atom. Having attracted more attention, such effects can make a…T. Zalialiutdinov, A. Anikin, D. Solovyev·Mar 26, 2021SaveLearn
Axion-mediated electron-electron interaction in ytterbium monohydroxide moleculeThe YbOH triatomic molecule can be efficiently used to measure the electron electric dipole moment, which violates time-reversal (T) and spatial parity (P) symmetries of fundamental interactions [I.…D. E. Maison, L. V. Skripnikov, A. V. Oleynichenko et al.·Mar 26, 2021SaveLearn