Sharma, V and Camus, N and Fischer, B and Kremer, M and Rudenko, A and Bergues, B and Kuebel, M and Johnson, N G and Kling, M F and Pfeifer, T and Ullrich, J and Moshammer, R
(2014)
Attosecond-correlated dynamics of two electrons in argon.
Pramana, 82 (1).
pp. 79-85.
ISSN 0304-4289
Abstract
In this work we explored strong field-induced decay of doubly excited transient Coulomb complex Ar** → Ar2++ 2e. We measured the correlated two-electron emission as a function of carrier envelop phase (CEP) of 6 fs pulses in the non-sequential double ionization (NSDI) of argon. Classical model calculations suggest that the intermediate doubly excited Coulomb complex loses memory of its formation dynamics. We estimated the ionization time difference between the two electrons from NSDI of argon and it is 200 ± 100 as (N Camus et al, Phys. Rev. Lett. 108, 073003 (2012)
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