Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2001-12-10
JHEP 0205 (2002) 002
Physics
High Energy Physics
High Energy Physics - Theory
17 pages, 5 eps figures, LaTeX, added discussion and refs
Scientific paper
10.1088/1126-6708/2002/05/002
We study the addition of an irrelevant operator to the N=4 supersymmetric large n SU(n) gauge theory, in the presence of finite temperature, T. In the supergravity dual, the effect of the operator is known to correspond to a deformation of the AdS_5 x S^5 ``throat'' which restores the asymptotic ten dimensional Minkowski region of spacetime, completing the full D3-brane solution. The system at non-zero T is interesting, since at the extremes of some of the geometrical parameters the geometry interpolates between a seven dimensional spherical Minkowskian Schwarzschild black hole (times R^3) and a five dimensional flat AdS Schwarzschild black hole (times S^5). We observe that when the coupling of the operator reaches a critical value, the deconfined phase, which is represented by the geometry with horizon, disappears for all temperatures, returning the system to a confined phase which is represented by the thermalised extremal geometry.
Evans Nick
Johnson Clifford V.
Petrini Michela
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