title: Electron correlations observed through intensity interferometry
abstract: Intensity interferometry was applied to study electron correlations in doubly ionizing ion-atom collisions. In this method, the probability to find two electrons emitted in the same double ionization event with a certain momentum difference is compared to the corresponding probability for two uncorrelated electrons from two independent events. The ratio of both probabilities, the so-called correlation function, is found to sensitively reveal electron correlation effects, but it is rather insensitive to the collision dynamics.
authors.affiliation: Universitat Freiburg, Fakultat fur Physik, D-79104 Freiburg, Germany and Physics Department and Laboratory for Atomic, Molecular and Optical Research, University of Missouri-Rolla, Rolla, Missouri 65409, USA.
authors.initials: M
authors.lastname: Schulz
authors.initials: R
authors.lastname: Moshammer
authors.initials: W
authors.lastname: Schmitt
authors.initials: H
authors.lastname: Kollmus
authors.initials: B
authors.lastname: Feuerstein
authors.initials: R
authors.lastname: Mann
authors.initials: S
authors.lastname: Hagmann
authors.initials: J
authors.lastname: Ullrich