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      https://www.ias.ac.in/article/fulltext/pram/082/01/0079-0085

    • Keywords

       

      Non-sequential double ionization; doubly excited Coulomb complex; ultrashort pulse; correlated momentum map.

    • Abstract

       

      In this work we explored strong field-induced decay of doubly excited transient Coulomb complex Ar$^{\ast\ast} \to $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)).

    • Author Affiliations

       

      V Sharma1 N Camus1 B Fischer1 M Kremer1 A Rudenko1 B Bergues1 M Kuebel1 N G Johnson1 M F Kling1 T Pfeifer1 J Ullrich1 R Moshammer1

      1. Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany
    • Dates

       
  • Pramana – Journal of Physics | News

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