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Phys. Rev. Lett. 92, 213002 (2004) [4 pages]

Fully Differential Rates for Femtosecond Multiphoton Double Ionization of Neon

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M. Weckenbrock1, D. Zeidler2, A. Staudte1, Th. Weber1, M. Schöffler1, M. Meckel1, S. Kammer1, M. Smolarski1, O. Jagutzki1, V. R. Bhardwaj2, D. M. Rayner2, D. M. Villeneuve2, P. B. Corkum2, and R. Dörner1,*
1Institut für Kernphysik, Universität Frankfurt, D-60486 Frankfurt, Germany
2National Research Council, 100 Sussex Drive, Ottawa, Ontario, Canada K1A 0R6

Received 2 February 2004; published 28 May 2004

We have investigated the full three-dimensional momentum correlation between the electrons emitted from strong field double ionization of neon when the recollision energy of the first electron is on the order of the ionization potential. The momentum correlation in the direction perpendicular to the laser field depends on the time difference of the two electrons leaving the ion. Our results are consistent with double ionization proceeding through transient double excited states that field ionize.

© 2004 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.92.213002
DOI:
10.1103/PhysRevLett.92.213002
PACS:
32.80.Rm, 31.90.+s, 32.80.Fb, 32.80.Wr

*Email: Doerner@ikf.uni-frankfurt.de