On running couplings in gauge theories from type-IIB supergravity
High Energy Physics - Theory
2009-10-31 v3
Abstract
We construct an explicit solution of type-IIB supergravity describing the strong coupling regime of a non-supersymmetric gauge theory. The latter has a running coupling with an ultraviolet stable fixed point corresponding to the N=4 SU(N) super-Yang-Mills theory at large N. The running coupling has a power law behaviour, argued to be universal, that is consistent with holography. Around the critical point, our solution defines an asymptotic expansion for the gauge coupling beta-function. We also calculate the first correction to the Coulombic quark-antiquark potential.
Keywords
Cite
@article{arxiv.hep-th/9902125,
title = {On running couplings in gauge theories from type-IIB supergravity},
author = {A. Kehagias and K. Sfetsos},
journal= {arXiv preprint arXiv:hep-th/9902125},
year = {2009}
}
Comments
10 pages, latex, v2: Another form of the solution is given and a reference is added, v3: a reference is added, final form to appear in PLB