Scattering with real-time path integrals

Abstract

Sharp-momentum transition matrix elements for scattering from a short-range Gaussian potential are computed using a real-time path integral. The computation is based on a numerical implementation of a new interpretation of the path integral as the expectation of a potential functional with respect to a complex probability distribution on cylinder sets of paths. The method is closely related to a unitary transfer matrix computation.

Comments: 6 pages, contribution to the 22nd International Conference on Few-Body Problems in Physics