Strong coupling expansion for scattering phases in hamiltonian lattice field theories - II. SU(2) gauge theory in (2+1) dimensions
Abstract
A recently proposed method for a strong coupling analysis of scattering phenomena in hamiltonian lattice field theories is applied to the 2 Yang-Mills model in (2+1) dimensions. The calculation is performed up to second order in the hopping parameter. All relevant quantities that characterize the collision between the lightest glueballs in the elastic region -- cross section, phase shifts, resonance parameters -- are determined.
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