We find an exact, N = 1 supersymmetric kink solution of 5d gauged supergravity. We associate this solution with the RG flow from N = 4 super Yang-Mills theory, deformed by a relevant operator, to pure N = 1 super Yang-Mills in the IR. We test this identification by computing various QFT quantities using the supergravity dual: the tension of electric and magnetic strings and the gaugino condensate. As demanded by our identification, our kink solution is a true deformation of N = 4, that exhibits confinement of quarks, magnetic screening, and spontaneous chiral symmetry breaking. (C) 2000 Elsevier Science B.V. All rights reserved.
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