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Molecular-dynamics simulations of atomic ionization by strong laser fields

Wasson, D. A. and Koonin, S. E. (1989) Molecular-dynamics simulations of atomic ionization by strong laser fields. Physical Review A, 39 (11). pp. 5676-5685. ISSN 0556-2791. http://resolver.caltech.edu/CaltechAUTHORS:WASpra89

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Abstract

We use molecular-dynamics simulations to study the competition between sequential and collective ionization in low-Z atoms by strong laser fields. The model shows sequential ionization at low fields, changing to collective ionization at large fields. The field strength at which this occurs is lower for higher frequencies. We also study the ionization as a function of pulse length and find that collective ionization is favored for shorter pulses.


Item Type:Article
Additional Information:©1989 The American Physical Society Received 12 August 1988 We acknoweledge an allocation of computer time from the San Diego Supercomputer Center on their Cray X/MP-48, on which most of these calculations were performed. One of us (D.A.W.) acknowledges financial support from AT&T Bell Laboratories. This work was also supported by NSF Grant Nos. PHY85-05682 and PHY86-04197.
Record Number:CaltechAUTHORS:WASpra89
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:WASpra89
Alternative URL:http://dx.doi.org/10.1103/PhysRevA.39.5676
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:5270
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:06 Oct 2006
Last Modified:26 Dec 2012 09:04

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