Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1998-03-20
Physics
High Energy Physics
High Energy Physics - Theory
6 pages, Latex
Scientific paper
Using a proposal of Maldacena one describes the large N limit of gauge theories in terms of supergravity solutions on anti-de Sitter space. From this point of view we discuss a possible scenario for quark confinement in gauge theory by describing hadrons as strongly curved universes. In particular an interpretation of black hole as a bag model in SQCD is discussed. One relates the mystery of curvature singularities in classical general relativity with the mystery of quark confinement. The AdS bag model is defined by computing the probe membrane action in supergravity background. It naturally implies the "Cheshire Cat bag" principle. The confining pressure in the MIT bag model is related with the cosmological constant in the AdS bag model. The Skyrme model is interpreted as an effective theory describing black holes.
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