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  Multielectron effects in strong-field ionization of CO2: Impact on differential photoelectron spectra

Majety, V. P., & Scrinzi, A. (2017). Multielectron effects in strong-field ionization of CO2: Impact on differential photoelectron spectra. Physical Review A, 96(5): 053421. doi:10.1103/PhysRevA.96.053421.

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PhysRevA.96.053421.pdf (Publisher version), 2MB
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PhysRevA.96.053421.pdf
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2017
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© American Physical Society

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https://dx.doi.org/10.1103/PhysRevA.96.053421 (Publisher version)
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 Creators:
Majety, V. P.1, 2, Author           
Scrinzi, A.2, Author
Affiliations:
1Quantum Optics with X-Rays, Independent Research Groups, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_1938291              
2Physics Department, Ludwig Maximilians Universität, ou_persistent22              

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 Abstract: We report fully differential photoelectron spectra from an ab initio coupled-channels treatment of CO2. Photoionization by laser pulses centered at wavelengths of 400 and 800 nm is considered, with arbitrary molecular alignment and polarization (linear and elliptic). Calculations reveal significant excited-state channel contributions that are, at certain molecular orientations, an order of magnitude larger than the ground-state channel in the rescattering plateau. A partial washout of the multiphoton structure in the above threshold ionization spectra and of the nodal features in angle-resolved spectra is observed due to ionization to excited-state channels. The qualitative nature of the spectra is determined by ionization thresholds, orbital symmetries, and interchannel coupling, in order of precedence.

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Language(s): eng - English
 Dates: 2017-09-032017-11-212017-11-21
 Publication Status: Issued
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 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevA.96.053421
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Project name : The authors acknowledge financial support from the Ger- man excellence cluster: Munich Advanced Photonics and by the Deutsche Forschungsgemeinschaft under the priority program QUTIF (1840).
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Title: Physical Review A
  Other : Phys. Rev. A
  Other : Physical Review A: Atomic, Molecular, and Optical Physics
Source Genre: Journal
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Publ. Info: New York, NY : American Physical Society
Pages: - Volume / Issue: 96 (5) Sequence Number: 053421 Start / End Page: - Identifier: ISSN: 1050-2947
CoNE: https://pure.mpg.de/cone/journals/resource/954925225012_2