Berlin 2005 – wissenschaftliches Programm

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Q: Quantenoptik und Photonik

Q 13: Quanteneffekte I

Q 13.4: Vortrag

Samstag, 5. März 2005, 09:15–09:30, HU 1072

Detection of moving atoms by Gaussian shaped lasers — •Jens Timo Neumann and Gerhard C. Hegerfeldt — Inst. f. Theor. Physik, Univ. Göttingen, Friedrich-Hund-Platz 1, 37077 Göttingen

Recently, it has been proposed to measure the arrival time distributions of moving spread-out quantum particles by means of laser-induced fluorescence. In these models, the laser intensity has been assumed to be piecewise constant in space. We extend this to lasers with a smooth (Gaussian) intensity distribution, present a method to calculate the probability distribution for the first fluorescence photon and compare our results to axiomatic predictions for arrival time distributions.