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Phys. Rev. Lett. 95, 203003 (2005) [4 pages]

Controlling Attosecond Double Ionization Dynamics via Molecular Alignment

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D. Zeidler1, A. Staudte2, A. B. Bardon1,3, D. M. Villeneuve1, R. Dörner2, and P. B. Corkum1,*
1National Research Council, 100 Sussex Drive, Ottawa, Ontario, Canada K1A 0R6
2Institut für Kernphysik, J. W. Goethe-Universität Frankfurt, Max-von-Laue-Strasse 1, D-60438 Frankfurt, Germany
3Physics Department, Mount Allison University, Sackville, New Brunswick, Canada E4L 1E6

Received 5 April 2005; revised 15 August 2005; published 10 November 2005

We investigate the dynamics of double ionization in aligned nitrogen molecules. An ultrashort, weak laser pulse creates an aligned ensemble of molecules that is ionized with a subsequent, strong probe pulse. We find that the two electrons involved in nonsequential double ionization more likely exit the molecule in the same direction if it is parallel to the probe laser polarization, indicating that they are ejected within a few hundred attoseconds of each other. Double ionization is less probable and takes longer for perpendicular molecules.

© 2005 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.95.203003
DOI:
10.1103/PhysRevLett.95.203003
PACS:
33.80.Rv, 34.80.Gs, 34.80.Pa

*Electronic address: Paul.Corkum@nrc.ca

 
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