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We present lattice Monte Carlo calculations of fermion-dimer scattering inthe limit of zero-range interactions using the adiabatic projection method. Theadiabatic projection method uses a set of initial cluster states and Euclideantime projection to give a systematically improvable description of thelow-lying scattering cluster states in a finite volume. We use L\"uscher'sfinite-volume relations to determine the s-wave, p-wave, and d-wave phaseshifts. For comparison, we also compute exact lattice results using Lanczositeration and continuum results using the Skorniakov-Ter-Martirosian equation.For our Monte Carlo calculations we use a new lattice algorithm called impuritylattice Monte Carlo. This algorithm can be viewed as a hybrid technique whichincorporates elements of both worldline and auxiliary-field Monte Carlosimulations.

Fermion-dimer scattering using an impurity lattice Monte Carlo approach and the adiabatic projection method