title: Direct scattering processes and signatures of chaos in quantum waveguides.
abstract: The effect of direct processes on the statistical properties of deterministic scattering processes in a chaotic waveguide is examined. The single-channel Poisson kernel describes well the distribution of S-matrix eigenphases when evaluated over an energy interval. When direct processes are transformed away, the scattering processes exhibit universal random matrix behavior. The effect of chaos on scattering wave functions, eigenphases, and time delays is discussed.
authors.affiliation: Center for Studies in Statistical Mechanics and Complex Systems, The University of Texas at Austin, Austin, Texas 78712, USA.
authors.forename: G B
authors.initials: GB
authors.lastname: Akguc
authors.forename: L E
authors.initials: LE
authors.lastname: Reichl