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Attosecond-correlated dynamics of two electrons in argon |
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| Authors: | V SHARMA N CAMUS B FISCHER M KREMER A RUDENKO B BERGUES M KUEBEL N G JOHNSON M F KLING T PFEIFER J ULLRICH R MOSHAMMER |
| Institution: | 1. Indian Institute of Technology-Hyderabad, Yeddumailaram, 502 205, India 2. Max-Planck-Institut für Kernphysik, 69117, Heidelberg, Germany 3. Max-Planck Advanced Study Group at CFEL, 22607, Hamburg, Germany 4. Max-Planck-Institut für Quantenoptik, 85748, Garching, Germany 5. Physikalisch Technische Bundesanstalt, 38116, Braunschweig, Germany |
| Abstract: | In this work we explored strong field-induced decay of doubly excited transient Coulomb complex Ar ?? → Ar 2+ + 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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