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  A molecular clock for autoionization decay

Medišauskas, L., Bello, R. Y., Palacios, A., Gonzalez-Castrillo, A., Morales, F., Plimak, L., et al. (2017). A molecular clock for autoionization decay. Journal of Physics B, 50(14): 144001. doi:10.1088/1361-6455/aa7215.

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 Creators:
Medišauskas, Lukas1, Author           
Bello, Roger Y.2, Author
Palacios, Alicia2, Author
Gonzalez-Castrillo, Alberto2, Author
Morales, Felipe2, Author
Plimak, Lev2, Author
Smirnova, Olga2, Author
Martin, Fernando2, Author
Ivanov, Misha Yu2, Author
Affiliations:
1Max Planck Institute for the Physics of Complex Systems, Max Planck Society, ou_2117288              
2external, ou_persistent22              

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 MPIPKS: Atomic and molecular structure
 Abstract: The ultrafast decay of highly excited electronic states is resolved with a molecular clock technique, using the vibrational motion associated to the ionic bound states as a time-reference. We demonstrate the validity of the method in the context of autoionization of the hydrogen molecule, where nearly exact full dimensional ab-initio calculations are available. The vibrationally resolved photoionization spectrum provides a time-energy mapping of the autoionization process into the bound states that is used to fully reconstruct the decay in time. A resolution of a fraction of the vibrational period is achieved. Since no assumptions are made on the underlying coupled electron-nuclear dynamics, the reconstruction procedure can be applied to describe the general problem of the decay of highly excited states in other molecular targets.

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Language(s): eng - English
 Dates: 2017-06-142017-07-28
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 000403646000001
DOI: 10.1088/1361-6455/aa7215
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Title: Journal of Physics B
  Other : Journal of Physics B: Atomic, Molecular and Optical Physics
Source Genre: Journal
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Publ. Info: Bristol : IOP Publishing
Pages: - Volume / Issue: 50 (14) Sequence Number: 144001 Start / End Page: - Identifier: CoNE: https://pure.mpg.de/cone/journals/resource/0022-3700