Gauge theories induced by bosons in fundamental representation
Abstract
A lattice theory of scalar bosons in the fundamental representation of the gauge group SU(Nc) and of the global symmetry group SU(Nf) is shown to induce a standard gauge theory only at large Nf. The system is in a deconfined phase at strong scalar self-coupling and any finite Nf. The requirement of convergence of the effective gauge action imposes a lower limit on the scalar mass.
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