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A universal result on central charges in the presence of double-trace deformations
Steven S. Gubser, Igor R. Klebanov
We study large N conformal field theories perturbed by relevant double-trace deformations. Using the auxiliary field trick, or Hubbard-Stratonovich transformation, we show that in…
Double-trace operators and one-loop vacuum energy in AdS/CFT
Steven S. Gubser, Indrajit Mitra
We perform a one-loop calculation of the vacuum energy of a tachyon field in anti de-Sitter space with boundary conditions corresponding to the presence of a double-trace operator…
Non-supersymmetric deformations of the dual of a confining gauge theory
Vadim Borokhov, Steven S. Gubser
We introduce a computational technique for studying non-supersymmetric deformations of domain wall solutions of interest in AdS/CFT. We focus on the Klebanov-Strassler solution, wh…
A semi-classical limit of the gauge/string correspondence
S. S. Gubser, I. R. Klebanov, A. M. Polyakov
A world-sheet sigma model approach is applied to string theories dual to four-dimensional gauge theories, and semi-classical soliton solutions representing highly excited string st…
TASI lectures: special holonomy in string theory and M-theory
Steven S. Gubser
A brief, example-oriented introduction is given to special holonomy and its uses in string theory and M-theory. We discuss A_k singularities and their resolution; the construction…