Datum
2022-01-31Metadata
Zur Langanzeige
Aufsatz
Electron Dynamics and Correlations During High-Order Harmonic Generation in Be
Zusammenfassung
We investigate theoretically the high-order harmonic generation in beryllium atom irradiated by a short 1850 nm linearly polarized laser pulse in the intermediate strong-field ionization regime with the Keldysh parameter of 0.85. To this end, the respective time-dependent Schrödinger equation is solved by the time-dependent restricted-active-space configuration-interaction (TD-RASCI) method. By systematically increasing the active space of included configurations, we demonstrate an individual effect of different physical processes evoked by the pulse, which, all together, significantly enrich and extend the computed high-order harmonic generation spectrum.
Zitierform
In: Frontiers in Chemistry Volume 10 (2022-01-31) eissn:2296-2646Förderhinweis
Gefördert durch den Publikationsfonds der Universität KasselZitieren
@article{doi:10.17170/kobra-202205176197,
author={Kutscher, Eric and Artemyev, Anton N. and Demekhin, Philipp V.},
title={Electron Dynamics and Correlations During High-Order Harmonic Generation in Be},
journal={Frontiers in Chemistry},
year={2022}
}
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2022-05-30T14:27:32Z 2022-05-30T14:27:32Z 2022-01-31 doi:10.17170/kobra-202205176197 http://hdl.handle.net/123456789/13877 Gefördert durch den Publikationsfonds der Universität Kassel eng Namensnennung 4.0 International http://creativecommons.org/licenses/by/4.0/ light-matter interaction strong-field ionisation high-harmonic generation electron correlations restricted-active-space theoretical and numerical methods 530 Electron Dynamics and Correlations During High-Order Harmonic Generation in Be Aufsatz We investigate theoretically the high-order harmonic generation in beryllium atom irradiated by a short 1850 nm linearly polarized laser pulse in the intermediate strong-field ionization regime with the Keldysh parameter of 0.85. To this end, the respective time-dependent Schrödinger equation is solved by the time-dependent restricted-active-space configuration-interaction (TD-RASCI) method. By systematically increasing the active space of included configurations, we demonstrate an individual effect of different physical processes evoked by the pulse, which, all together, significantly enrich and extend the computed high-order harmonic generation spectrum. open access Kutscher, Eric Artemyev, Anton N. Demekhin, Philipp V. doi:10.3389/fchem.2022.809137 Elektronenkorrelation Berylliumatom Ionisation Laserimpuls publishedVersion eissn:2296-2646 Frontiers in Chemistry Volume 10 false 809137
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