Laser Physics

, Volume 20, Issue 3, pp 581–590

Numerical calculation of strong-field laser-atom interaction: An approach with perfect reflection-free radiation boundary conditions

Strong Field and Attosecond Physics

Abstract

The time-dependent, single-particle Schrödinger equation with a finite-range potential is solved numerically on a three-dimensional spherical domain. In order to correctly account for outgoing waves, perfect reflection-free radiation boundary conditions are used on the surface of a sphere. These are computationally most effective if the particle wavefunction is expanded in the set of spherical harmonics and computations are performed in the Kramers-Henneberger accelerated frame. The method allows one to solve the full ionization dynamics in intense laser fields within a small region of atomic dimensions.

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Copyright information

© Pleiades Publishing, Ltd. 2010

Authors and Affiliations

  1. 1.Soft Condensed Matter, Research Centre JülichInstitute of Solid State ResearchJülichGermany
  2. 2.Institute of Theoretical Physics ARWTH Aachen UniversityAachenGermany

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