On the spectrum of pure Yang-Mills theory
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In this note we discuss the wave functional approach to the spectrum of pure Yang-Mills theory in 2+1 and 3+1 dimensions by highlighting the issues of dynamical mass generation and the role played by the kinetic term. We extrapolate our recent analysis of 2+1 Yang-Mills theory to 3+1 dimensions, and under certain heuristic assumptions use a simple quasi-Gaussian vacuum wavefunctional for 3+1 Yang-Mills theory for a preliminary study of the spectrum of glueballs which nicely fits the available lattice simulations.
19 pages, To appear in the proceedings of the first Sowers Theoretical Physics workshop, Virginia Tech, May 2007
19 pages, To appear in the proceedings of the first Sowers Theoretical Physics workshop, Virginia Tech, May 2007