Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-11-11
Phys.Rev.D80:126008,2009
Physics
High Energy Physics
High Energy Physics - Phenomenology
19 pages, 10 figures
Scientific paper
10.1103/PhysRevD.80.126008
We study a gauge/gravity model for the thermodynamics of a gauge theory with one running coupling. The gravity side contains an ansatz for the metric and a scalar field, on the field theory side one starts by giving an ansatz for the beta function describing the scale dependence of the coupling. The model is based on relating the scale to the extra dimensional coordinate and the beta function to the gravity fields, thereby also determining the scalar field potential. We study three different forms of beta functions of increasing complexity and give semianalytic solutions describing first order or continuous transitions.
Alanen Janne
Kajantie K.
Suur-Uski Ville
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