Berlin 2001 – wissenschaftliches Programm

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A: Atomphysik

A 3: Multi Photon Processes

A 3.7: Vortrag

Montag, 2. April 2001, 17:15–17:30, H1058

Hydrogen-like heavy ions in strong laserfields — •Manuel Hölß, Norbert Grün, and Werner Scheid — Institut für theoretische Physik II der Justus-Liebig-Universität Gießen

The behaviour of hydrogen-like heavy ions in strong laser fields at intensities ≈ 10²⁰ W/cm² is investigated. For that purpose the timedependent Dirac-equation for an electron in the Coulomb potential of the nucleus and in the vectorpotential of a plane electromagnetic wave is solved. This is done with finite elements on a lattice in cylindrical coordinates. The timedependent wavefunction is used to draw conclusions for physical processes like excitation, ionisation and generation of higher harmonics.