Relativistically Invariant Lattice Theories
It is shown that quantum field theories on a Euclidean space time lattice can be derived which have the same S matrix (after analytic continuation to the Lorentz metric) as a relativistic continuum theory. The lattice spacing of the lattice theory is fixed; no limit of zero lattice spacing is required. It is proposed that (as already discussed by Migdal) a lattice theory be derived as an intermediate step in solving the asymptotically free color gauge theory.
KeywordsGauge Theory Lattice Spacing Vacuum Expectation Lattice Theory External Line
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