LONG DISTANCE DYNAMICS AND CONFINEMENT VIA RG DECIMATIONS-Reference-Cited by-同舟云学术

LONG DISTANCE DYNAMICS AND CONFINEMENT VIA RG DECIMATIONS

Published:2009-11-10 Issue:34 Volume:24 Page:2717-2730
ISSN:0217-7323
Container-title:Modern Physics Letters A
language:en
Short-container-title:Mod. Phys. Lett. A

Author:

TOMBOULIS E. T.¹

Affiliation:

1. Department of Physics, University of California, Los Angeles, CA 90095-1547, USA

Abstract

We review a recently developed framework employing computable Renormalization Group (RG) decimations for gauge theories in the lattice regularization. They provide upper and lower bounds at every scale for free energies and some order parameters. By interpolating between these bounds representations of the exact quantities are obtained at progressively longer scales (coarser lattices). In the case of the SU(2) gauge theory in four dimensions RG flow to the confining strongly coupled regime is obtained for any initial coupling; whereas for the U(1) theory a fixed point is reached for small initial coupling.

Publisher

World Scientific Pub Co Pte Lt

Subject

General Physics and Astronomy,Astronomy and Astrophysics,Nuclear and High Energy Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217732309032307

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