Scattering of Glueballs and Mesons in Compact QED in 2+1 Dimensions
classification
✦ hep-lat
keywords
compactscatteringcomputeglueballslatticemesonsmomentumtheory
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We study glueball and meson scattering in compact $QED_{2+1}$ gauge theory in a Hamiltonian formulation and on a momentum lattice. We compute ground state energy and mass, and introduce a compact lattice momentum operator for the computation of dispersion relations. Using a non-perturbative time-dependent method we compute scattering cross sections for glueballs and mesons. We compare our results with strong coupling perturbation theory.
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