Journal
NEW JOURNAL OF PHYSICS
Volume 10, Issue -, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1367-2630/10/2/025010
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Funding
- Engineering and Physical Sciences Research Council [EP/D07309X/2, EP/D07309X/1] Funding Source: researchfish
- EPSRC [EP/D07309X/1, EP/D07309X/2] Funding Source: UKRI
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A recollision-based largely classical statistical model of laser-induced nonsequential multiple (N-fold) ionization of atoms is further explored. Upon its return to the ionic core, the first-ionized electron interacts with the other N - 1 bound electrons either through a contact or a Coulomb interaction. The returning electron may leave either immediately after this interaction or join the other electrons to form a thermalized complex which leaves the ion after the delay Delta t, which is the sum of a thermalization time and a possible additional dwell time. Good agreement with the available triple and quadruple ionization data in neon and argon is obtained with the contact scenario and delays of Delta t = 0.17 T and 0.265 T, respectively, with T the laser period.
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