QED out of matter

Details QED out of matter QED out of matter

2000-02-24

arxiv.org/abs/hep-th/0002203v1

Nucl.Phys. B585 (2000) 725-740

Physics

High Energy Physics

High Energy Physics - Theory

latex, 19 pages, 9 figures

Scientific paper

10.1016/S0550-3213(00)00340-0

The Wilsonian renormalization group implies that an arbitrary four dimensional field theory with an ultraviolet cutoff is equivalent to a theory which is renormalizable by power counting at energy scales much below the cutoff. This applies to any theory including those with non-renormalizable interactions as long as we fine-tune the mass parameters. We analyze two simple models with current-current interactions but without elementary gauge fields from this viewpoint. We show how to tune the parameters of the models so that they become equivalent to QED at energies much below the cutoff.

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