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APS » Journals » Phys. Rev. A » Volume 71 » Issue 6
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Phys. Rev. A 71, 060702(R) (2005) [4 pages]

Theory of laser-assisted autoionization by attosecond light pulses

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Z. X. Zhao1,* and C. D. Lin1,2
1J. R. Macdonald Laboratory, Physics Department, Kansas State University, Manhattan, Kansas 66506-2604, USA
2Physics Division, National Center for Theoretical Sciences, P. O. Box 2-131, Hsinchu, 30013, Taiwan

Received 9 June 2004; published 13 June 2005

We present a quantum theory of the decay of an autoionizing state created in the attosecond xuv (extreme ultraviolet) pump and laser probe measurements within the strong field approximation employing resonance parameters from Fano’s theory. From the electron spectra versus the pump-probe time delay, we show how the lifetimes of the resonances can be extracted directly from the time domain measurements.

© 2005 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.71.060702
DOI:
10.1103/PhysRevA.71.060702
PACS:
32.80.Fb, 31.25.Jf, 32.60.+i

*Email address: zxzhao@phys.ksu.edu

 
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