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Interaction of superintense laser pulses with relativistic ions

Chirilă, C.C.; Joachain, C.J.; Kylstra, N.J.; Potvliege, R.M.

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Authors

C.C. Chirilă

C.J. Joachain

N.J. Kylstra



Abstract

At high intensities, three-step recollision processes driven by low frequency laser pulses, such as high-order harmonic generation and high-order above-threshold ionization, are normally severely suppressed by the magnetic-field component of the laser field. It is shown that this suppression is not severe, even for ponderomotive energies well above 10keV, for multicharged ions moving at a sufficiently high relativistic velocity against a counterpropagating infrared laser pulse. Numerical results are presented for high-order harmonic emission by a single Ne9+ ion moving with a Lorentz factor gamma=15 against a Nd:glass laser beam. The calculations are done within a Coulomb-corrected nondipole strong field approximation. The approximation is tested by comparing with accurate results.

Journal Article Type Article
Publication Date 2004-12
Deposit Date Nov 27, 2006
Publicly Available Date Sep 13, 2010
Journal Physical Review Letters
Print ISSN 0031-9007
Electronic ISSN 1079-7114
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 93
Issue 24
DOI https://doi.org/10.1103/physrevlett.93.243603
Keywords Above-threshold ionization, Dipole approxmation, Photo-emission, Coulomb.
Public URL https://durham-repository.worktribe.com/output/1590275

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Published Journal Article (216 Kb)
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Copyright Statement
© 2004 by The American Physical Society. All rights reserved.






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