The importance of Rydberg orbitals in dissociative ionization of small hydrocarbon molecules in intense laser fields

The importance of Rydberg orbitals in dissociative ionization of small hydrocarbon molecules in intense laser fields

Abstract Much of our intuition about strong-field processes is built upon studies of diatomic molecules, which typically have electronic states that are relatively well separated in energy. In polyatomic molecules, however, the electronic states are closer together, leading to more complex interacti...

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Autores principales: Bethany Jochim, R. Siemering, M. Zohrabi, O. Voznyuk, J. B. Mahowald, D. G. Schmitz, K. J. Betsch, Ben Berry, T. Severt, Nora G. Kling, T. G. Burwitz, K. D. Carnes, M. F. Kling, I. Ben-Itzhak, E. Wells, R. de Vivie-Riedle
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Publicado: Nature Portfolio 2017
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Acceso en línea:https://doaj.org/article/bc630f3d2fdc4fa5b499354c75c7241c
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spelling oai:doaj.org-article:bc630f3d2fdc4fa5b499354c75c7241c2021-12-02T11:52:15ZThe importance of Rydberg orbitals in dissociative ionization of small hydrocarbon molecules in intense laser fields10.1038/s41598-017-04638-02045-2322https://doaj.org/article/bc630f3d2fdc4fa5b499354c75c7241c2017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-04638-0https://doaj.org/toc/2045-2322Abstract Much of our intuition about strong-field processes is built upon studies of diatomic molecules, which typically have electronic states that are relatively well separated in energy. In polyatomic molecules, however, the electronic states are closer together, leading to more complex interactions. A combined experimental and theoretical investigation of strong-field ionization followed by hydrogen elimination in the hydrocarbon series C2D2, C2D4 and C2D6 reveals that the photofragment angular distributions can only be understood when the field-dressed orbitals rather than the field-free orbitals are considered. Our measured angular distributions and intensity dependence show that these field-dressed orbitals can have strong Rydberg character for certain orientations of the molecule relative to the laser polarization and that they may contribute significantly to the hydrogen elimination dissociative ionization yield. These findings suggest that Rydberg contributions to field-dressed orbitals should be routinely considered when studying polyatomic molecules in intense laser fields.Bethany JochimR. SiemeringM. ZohrabiO. VoznyukJ. B. MahowaldD. G. SchmitzK. J. BetschBen BerryT. SevertNora G. KlingT. G. BurwitzK. D. CarnesM. F. KlingI. Ben-ItzhakE. WellsR. de Vivie-RiedleNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-14 (2017)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Bethany Jochim
R. Siemering
M. Zohrabi
O. Voznyuk
J. B. Mahowald
D. G. Schmitz
K. J. Betsch
Ben Berry
T. Severt
Nora G. Kling
T. G. Burwitz
K. D. Carnes
M. F. Kling
I. Ben-Itzhak
E. Wells
R. de Vivie-Riedle
The importance of Rydberg orbitals in dissociative ionization of small hydrocarbon molecules in intense laser fields
description Abstract Much of our intuition about strong-field processes is built upon studies of diatomic molecules, which typically have electronic states that are relatively well separated in energy. In polyatomic molecules, however, the electronic states are closer together, leading to more complex interactions. A combined experimental and theoretical investigation of strong-field ionization followed by hydrogen elimination in the hydrocarbon series C2D2, C2D4 and C2D6 reveals that the photofragment angular distributions can only be understood when the field-dressed orbitals rather than the field-free orbitals are considered. Our measured angular distributions and intensity dependence show that these field-dressed orbitals can have strong Rydberg character for certain orientations of the molecule relative to the laser polarization and that they may contribute significantly to the hydrogen elimination dissociative ionization yield. These findings suggest that Rydberg contributions to field-dressed orbitals should be routinely considered when studying polyatomic molecules in intense laser fields.
format article
author Bethany Jochim
R. Siemering
M. Zohrabi
O. Voznyuk
J. B. Mahowald
D. G. Schmitz
K. J. Betsch
Ben Berry
T. Severt
Nora G. Kling
T. G. Burwitz
K. D. Carnes
M. F. Kling
I. Ben-Itzhak
E. Wells
R. de Vivie-Riedle
author_facet Bethany Jochim
R. Siemering
M. Zohrabi
O. Voznyuk
J. B. Mahowald
D. G. Schmitz
K. J. Betsch
Ben Berry
T. Severt
Nora G. Kling
T. G. Burwitz
K. D. Carnes
M. F. Kling
I. Ben-Itzhak
E. Wells
R. de Vivie-Riedle
author_sort Bethany Jochim
title The importance of Rydberg orbitals in dissociative ionization of small hydrocarbon molecules in intense laser fields
title_short The importance of Rydberg orbitals in dissociative ionization of small hydrocarbon molecules in intense laser fields
title_full The importance of Rydberg orbitals in dissociative ionization of small hydrocarbon molecules in intense laser fields
title_fullStr The importance of Rydberg orbitals in dissociative ionization of small hydrocarbon molecules in intense laser fields
title_full_unstemmed The importance of Rydberg orbitals in dissociative ionization of small hydrocarbon molecules in intense laser fields
title_sort importance of rydberg orbitals in dissociative ionization of small hydrocarbon molecules in intense laser fields
publisher Nature Portfolio
publishDate 2017
url https://doaj.org/article/bc630f3d2fdc4fa5b499354c75c7241c
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