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  Coherent Electron Hole Dynamics Near a Conical Intersection

Timmers, H., Li, Z., Shivaram, N., Santra, R., Vendrell, O., & Sandhu, A. (2014). Coherent Electron Hole Dynamics Near a Conical Intersection. Physical Review Letters, 113(11): 113003. doi:10.1103/PhysRevLett.113.113003.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-F473-B Version Permalink: http://hdl.handle.net/21.11116/0000-0003-58A1-4
Genre: Journal Article

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PhysRevLett.113.113003.pdf (Publisher version), 665KB
 
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2014
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© American Physical Society
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 Creators:
Timmers, Henry1, Author
Li, Zheng2, 3, 4, Author              
Shivaram, Niranjan1, Author
Santra, Robin2, 3, Author
Vendrell, Oriol2, Author
Sandhu, Arvinder1, Author
Affiliations:
1Department of Physics, University of Arizona, Tucson, Arizona 85721, USA, ou_persistent22              
2Center for Free-Electron Laser Science, DESY, Notkestrasse 85, D-22607 Hamburg, Germany, ou_persistent22              
3Department of Physics, University of Hamburg, D-20355 Hamburg, Germany, ou_persistent22              
4International Max Planck Research School for Ultrafast Imaging & Structural Dynamics (IMPRS-UFAST), Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2266714              

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Free keywords: PACS numbers: 33.20.Xx, 42.65.Re, 82.53.Kp
 Abstract: The coherent evolution of an electron hole in a photoionized molecule represents an unexplored facet of charge transfer phenomena occurring in complex systems. Using ultrafast extreme ultraviolet spectroscopy, we investigate the real-time dynamics of an electron hole wave packet created near a conical intersection in CO2. We resolve the oscillation of the electron hole density between σ and π character, driven by the coupled bending and asymmetric stretch vibrations of the molecule. We also quantify the mixing between electron hole configurations and find that the wave packet coherence diminishes with time due to thermal dephasing.

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Language(s): eng - English
 Dates: 2014-06-242014-09-122014-09-12
 Publication Status: Published in print
 Pages: 5
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1103/PhysRevLett.113.113003
 Degree: -

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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 113 (11) Sequence Number: 113003 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: /journals/resource/954925433406_1