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Q: Fachverband Quantenoptik und Photonik

Q 35: Quanteneffekte: QED / Interferenz und Korrelationen I

Q 35.3: Talk

Wednesday, March 4, 2009, 14:30–14:45, VMP 6 HS-E

Photoemission of a Single-Electron Wave-Packet in a Strong Laser Field — •Carsten Müller¹, Justin Peatross², Karen Z. Hatsagortsyan¹, and Christoph H. Keitel¹ — ¹Max-Planck-Institut für Kernphysik, Heidelberg — ²Department of Physics and Astronomy, Brigham Young University, USA

The radiation emitted by a single-electron wave packet in an intense laser field is considered. A relation between the quantum mechanical formulation and its classical counterpart is established via the electron’s Wigner function. We show that the partial emissions from different momentum components of the wave packet do not interfere when the driving field is a plane wave. In a focused laser beam, however, quantum interference in the scattered radiation in principle is possible. We outline an experimental setup dedicated to put these conclusions to the test.

[1] J. Peatross, C. Müller, K. Z. Hatsagortsyan, and C. H. Keitel, Phys. Rev. Lett. 100, 153601 (2008)

[2] C. Müller, J. Peatross, K. Z. Hatsagortsyan, and C. H. Keitel, in preparation