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Related papers: Role of the Ionic Potential in High Harmonic Gener…

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Hadronic resonances are unique probes that allow the properties of heavy-ion collisions to be studied. Topics that can be studied include modification of spectral shapes, in-medium energy loss of parsons, vector-meson spin alignment,…

Nuclear Experiment · Physics 2018-03-14 A. G. Knospe

The effect of an ionic core on the temperature relaxation in dense hot plasma of beryllium is studied using the pseudpotential model by Gericke et al [Phys. Rev. E 2010, 81, 065401(R)]. Employing the screened version of the ion…

Plasma Physics · Physics 2023-10-20 T. S. Ramazanov S. K. Kodanova , M. K. Issanova , B. Z. Kenzhegulov

We study high-order harmonic generation by optically driven one- and two-dimensional hydrogenlike atoms formed by Coulomb imurities in graphene. The time-dependent Dirac equations with Coulomb plus time-periodic monochromatic field…

Mesoscale and Nanoscale Physics · Physics 2025-04-07 S. Rakhmanov , K. Matchonov , H. Yusupov , K. Nasriddinov , D. Matrasulov

Electron-core interactions play a key role in strong-field ionization and the formation of photoelectron spectra. We analyse the temporal dynamics of strong field ionization associated with these interactions using the time-dependent…

Atomic Physics · Physics 2015-06-16 Lisa Torlina , Jivesh Kaushal , Olga Smirnova

We report on electron momentum distributions from single ionization of Ar in strong orthogonally polarized two-color (OTC) laser fields measured with the COLTRIMS technique. We study the effect of Coulomb focusing whose signature is a cusp…

We investigate the ionization dynamics of atoms irradiated by an intense laser field using a semiclassical model that includes magnetic Lorentz force in the rescattering process. We find that, the electrons tunneled with different initial…

Atomic Physics · Physics 2017-01-25 J. F. Tao , Q. Z. Xia , J. Cai , L. B. Fu , J. Liu

This 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". Since the properties of the electron…

Atomic Physics · Physics 2021-03-31 Stefan Haessler , Jérémie Caillat , Pascal Salières

We study numerically the Bloch electron wave-packet dynamics in periodic potentials to simulate laser-solid interactions. We introduce a quasi-classical model in the \emph{k} space combined with the energy band structure to understand the…

Optics · Physics 2017-01-05 Tao-Yuan Du , Xue-Bin Bian

We study ionization of atoms in strong elliptically-polarized laser fields numerically and analytically. We focus on effects of laser ellipticity on the offset angle in photoelectron momentum distribution. This angle is considered to encode…

Atomic Physics · Physics 2023-04-26 J. Y. Che , J. Y. Huang , F. B. Zhang , C. Chen , G. G. Xin , Y. J. Chen

High-order harmonic generation (HHG) by hydrogenlike atoms/ions in the uniform periodic electric field, formed by the two linearly polarized counterpropagating laser beams of relativistic intensities, is studied. The relativistic quantum…

Atomic Physics · Physics 2011-06-14 H. K. Avetissian , A. G. Markossian , G. F. Mkrtchian

We study the Cooper minimum in high harmonic generation from argon atoms using long wavelength laser pulses. We find that the minimum in high harmonic spectra is systematically shifted with respect to total photoionization cross section…

The generation of high harmonics is a strongly nonlinear effect that allows to probe properties of the target and to study electron dynamics in matter. It has been investigated in many different kinds of targets, including molecular gases,…

Quantum Physics · Physics 2026-05-06 Lina Bielke , Samuel Schöpa , Falk-Erik Wiechmann , Franziska Fennel , Dieter Bauer

Based upon our previous works (Eur.Phys.J.D 6, 319(1999); Chin.Phys.Lett. 18, 236(2001)), we develop a classical approach to calculate the high-order harmonic generation of the laser driven atoms and molecules. The Coulomb singularities in…

Atomic Physics · Physics 2007-05-23 Chaohong Lee , Yiwu Duan , Wing-Ki Liu , Jian-Min Yuan , Lei Shi , Xiwen Zhu , Kelin Gao

Electron scattering and dielectronic recombination with an ion in the presence of a neighboring atom is studied. The incident electron is assumed to be captured by the ion, leading to resonant excitation of the atom which afterwards may…

Atomic Physics · Physics 2018-08-01 A. Eckey , A. Jacob , A. B. Voitkiv , C. Müller

One of the most fundamental questions in the field of relativistic heavy ion physics is how to reach and explore densities which are needed to cross the chiral and/or the deconfinement phase transition. In this analysis we investigate the…

Nuclear Theory · Physics 2014-11-20 Sascha Vogel , Joerg Aichelin , Marcus Bleicher

The interaction of relativistically strong tailored laser pulses with an atomic system is considered. Due to a special tailoring of the laser pulse, the suppression of the relativistic drift of the ionized electron and a dramatic…

Atomic Physics · Physics 2007-05-23 M. Klaiber , K. Z. Hatsagortsyan , C. H. Keitel

A clear understanding of the mechanisms that control the electron dynamics in strong laser field is still a challenge that requires to be interpreted by advanced theory. Development of accurate theoretical and computational methods, able to…

The production of electron-positron pairs with the capture of the electron in an atomic orbital is investigated for the conditions of the Relativistic Heavy Ion Collider (RHIC) and the Large Hadron Collider LHC). Dirac wave functions for…

Nuclear Theory · Physics 2009-11-06 C. A. Bertulani , D. S. Dolci

We introduce soft recollisions in laser-matter interaction. They are characterized by the electron missing the ion upon recollision in contrast to the well-known head-on collisions responsible for high-harmonic generation or above-threshold…

Atomic Physics · Physics 2015-03-19 Alexander Kästner , Ulf Saalmann , Jan M. Rost

We 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 matter physics. The recombination of the…

Atomic Physics · Physics 2021-07-13 Rambabu Rajpoot , Amol R. Holkundkar , Jayendra N. Bandyopadhyay