Electron correlations observed through intensity interferometry
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.
Schulz
M
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.
Moshammer
R
Schmitt
W
Kollmus
H
Feuerstein
B
Mann
R
Hagmann
S
Ullrich
J