Attosecond-correlated dynamics of two electrons in argon

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

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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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Item Type: Article
Uncontrolled Keywords: Correlated momentum map; Doubly excited Coulomb complex; Non-sequential double ionization; Ultrashort pulse
Subjects: Physics
Divisions: Department of Physics
Depositing User: Team Library
Date Deposited: 30 Dec 2014 12:10
Last Modified: 14 Aug 2017 10:12
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