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Gubbini E, Eichmann U, Kalashnikov M, et al. Core relaxation in atomic ultrastrong laser field ionization. Phys Rev Lett. 2005;94(5):053602doi: 10.1103/PhysRevLett.94.053602.
Gubbini, E., Eichmann, U., Kalashnikov, M., & Sandner, W. (2005). Core relaxation in atomic ultrastrong laser field ionization. Physical review letters, 94(5), 053602. https://doi.org/10.1103/PhysRevLett.94.053602
Gubbini, E, et al. "Core relaxation in atomic ultrastrong laser field ionization." Physical review letters vol. 94,5 (2005): 053602. doi: https://doi.org/10.1103/PhysRevLett.94.053602
Gubbini E, Eichmann U, Kalashnikov M, Sandner W. Core relaxation in atomic ultrastrong laser field ionization. Phys Rev Lett. 2005 Feb 11;94(5):053602. doi: 10.1103/PhysRevLett.94.053602. Epub 2005 Feb 10. PMID: 15783638.
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Phys Rev Lett. 2005 Feb 11;94(5):053602. doi: 10.1103/PhysRevLett.94.053602. Epub 2005 Feb 10.

Core relaxation in atomic ultrastrong laser field ionization.

Physical review letters

E Gubbini, U Eichmann, M Kalashnikov, W Sandner

Affiliations

  1. Max-Born-Institute, Max-Born-Strasse 2a, 12489 Berlin, Germany.

PMID: 15783638 DOI: 10.1103/PhysRevLett.94.053602

Abstract

We have investigated atomic ionization dynamics in Kr in the transition regime from nonrelativistic to relativistic laser intensities (10(16) to 10(18) W/cm2) by measuring yields of highly charged ions stemming from an inner shell. Interpretation of the data is focused on the applicability of the single active electron description, which requires fully relaxed core states between successive ionization steps. In particular, we are concerned with transient core polarization or alignment effects originating from the strong dependence of the ionization rates on the magnetic quantum number. We found that for intense laser pulses with 40 fs pulse width internal m-mixing processes appear to be sufficiently fast to erase any transient core polarization.

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