Direct measurement of Coulomb-laser coupling

Abstract The Coulomb interaction between a photoelectron and its parent ion plays an important role in a large range of light-matter interactions. In this paper we obtain a direct insight into the Coulomb interaction and resolve, for the first time, the phase accumulated by the laser-driven electron...

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Autores principales:	Doron Azoury, Michael Krüger, Barry D. Bruner, Olga Smirnova, Nirit Dudovich
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/331af8334d264590943eb164a821753a
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spelling	oai:doaj.org-article:331af8334d264590943eb164a821753a2021-12-02T14:01:34ZDirect measurement of Coulomb-laser coupling10.1038/s41598-020-79805-x2045-2322https://doaj.org/article/331af8334d264590943eb164a821753a2021-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-79805-xhttps://doaj.org/toc/2045-2322Abstract The Coulomb interaction between a photoelectron and its parent ion plays an important role in a large range of light-matter interactions. In this paper we obtain a direct insight into the Coulomb interaction and resolve, for the first time, the phase accumulated by the laser-driven electron as it interacts with the Coulomb potential. Applying extreme-ultraviolet interferometry enables us to resolve this phase with attosecond precision over a large energy range. Our findings identify a strong laser-Coulomb coupling, going beyond the standard recollision picture within the strong-field framework. Transformation of the results to the time domain reveals Coulomb-induced delays of the electrons along their trajectories, which vary by tens of attoseconds with the laser field intensity.Doron AzouryMichael KrügerBarry D. BrunerOlga SmirnovaNirit DudovichNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Doron Azoury Michael Krüger Barry D. Bruner Olga Smirnova Nirit Dudovich Direct measurement of Coulomb-laser coupling
description	Abstract The Coulomb interaction between a photoelectron and its parent ion plays an important role in a large range of light-matter interactions. In this paper we obtain a direct insight into the Coulomb interaction and resolve, for the first time, the phase accumulated by the laser-driven electron as it interacts with the Coulomb potential. Applying extreme-ultraviolet interferometry enables us to resolve this phase with attosecond precision over a large energy range. Our findings identify a strong laser-Coulomb coupling, going beyond the standard recollision picture within the strong-field framework. Transformation of the results to the time domain reveals Coulomb-induced delays of the electrons along their trajectories, which vary by tens of attoseconds with the laser field intensity.
format	article
author	Doron Azoury Michael Krüger Barry D. Bruner Olga Smirnova Nirit Dudovich
author_facet	Doron Azoury Michael Krüger Barry D. Bruner Olga Smirnova Nirit Dudovich
author_sort	Doron Azoury
title	Direct measurement of Coulomb-laser coupling
title_short	Direct measurement of Coulomb-laser coupling
title_full	Direct measurement of Coulomb-laser coupling
title_fullStr	Direct measurement of Coulomb-laser coupling
title_full_unstemmed	Direct measurement of Coulomb-laser coupling
title_sort	direct measurement of coulomb-laser coupling
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/331af8334d264590943eb164a821753a
work_keys_str_mv	AT doronazoury directmeasurementofcoulomblasercoupling AT michaelkruger directmeasurementofcoulomblasercoupling AT barrydbruner directmeasurementofcoulomblasercoupling AT olgasmirnova directmeasurementofcoulomblasercoupling AT niritdudovich directmeasurementofcoulomblasercoupling
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Direct measurement of Coulomb-laser coupling

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