title: Multiple scattering by random configurations of circular cylinders: second-order corrections for the effective wavenumber.
abstract: A formula for the effective wavenumber in a dilute random array of identical scatterers in two dimensions is derived, based on Lax's quasicrystalline approximation. This formula replaces a widely-used expression due to Twersky, which is shown to be based on an inappropriate choice of pair-correlation function.
authors: Department of Mathematical Sciences, Loughborough University, Leicestershire LE11 3TU, United Kingdom.
authors: C M
authors: CM
authors: Linton
authors: P A
authors: PA
authors: Martin