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Webs of five-branes and N=2 superconformal field theories
Francesco Benini, Sergio Benvenuti, Yuji Tachikawa
We describe configurations of 5-branes and 7-branes which realize, when compactified on a circle, new isolated four-dimensional N=2 superconformal field theories recently construct…
Giant magnons and spiky strings on the conifold
Sergio Benvenuti, Erik Tonni
We find explicit solutions for giant magnons and spiky strings on the squashed three dimensional sphere. For a special value of the squashing parameter the solutions describe strin…
N=8 superconformal gauge theories and M2 branes
Sergio Benvenuti, Diego Rodriguez-Gomez, Erik Tonni +1
Based on recent developments, in this letter we find 2+1 dimensional gauge theories with scale invariance and N=8 supersymmetry. The gauge theories are defined by a Lagrangian and…
Near-flat space limit and Einstein manifolds
Sergio Benvenuti, Erik Tonni
We study the near-flat space limit for strings on AdS(5)xM(5), where the internal manifold M(5) is equipped with a generic metric with U(1)xU(1)xU(1) isometry. In the bosonic secto…
A Test of the AdS/CFT Correspondence Using High-Spin Operators
M. K. Benna, S. Benvenuti, I. R. Klebanov +1
In two remarkable recent papers, hep-th/0610248 and hep-th/0610251, the complete planar perturbative expansion was proposed for the universal function of the coupling, f(g), appear…
Triangle Anomalies from Einstein Manifolds
Sergio Benvenuti, Leopoldo A. Pando Zayas, Yuji Tachikawa
The triangle anomalies in conformal field theory, which can be used to determine the central charge a, correspond to the Chern-Simons couplings of gauge fields in AdS under the gau…