Düsseldorf 2007 – scientific programme

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A: Fachverband Atomphysik

A 17: Attosecond Physics (jointly with Q)

A 17.3: Talk

Wednesday, March 21, 2007, 14:45–15:00, 6G

Vibration and laser dressing in molecular high-harmonic generation — •Ciprian Chirila and Manfred Lein — Universität Kassel, Fachbereich Physik 18, Heinrich-Plett-Str. 40, 34132 Kassel

We study high-harmonic generation in the H2 molecule, and its heavier isotope, D2, exposed to an intense, low-frequency laser pulse. The molecular vibration is taken into account. We investigate the effect of laser dressing of the two lowest-laying Born-Oppenheimer potentials in the molecular ion formed upon ionizaton. Conclusions are drown about the laser-frequency range and the range of molecular orientations where the dressing becomes relevant to the process.