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We study the large N limit of a little string theory that reduces in the IR to U(N) N = 1 supersymmetric Yang-Mills with Chern Simons coupling k. Witten has shown that this field theory preserves… (More)

We investigate the issues of holography and string interactions in the duality between SYM and the pp wave background. We argue that the Penrose diagram of the maximally supersymmetric pp-wave has a… (More)

- David E. Berenstein, Edi Gava, Juan Mart́ın Maldacena, K. S. Narain, Horatiu Stefan Nastase
- 2002

We study the plane wave limit of AdS5 × S/Z2 which arises as the near horizon geometry of D3-branes at an orientifold 7-plane in type I’ theory. We analyze string theory in the resulting plane wave… (More)

We fix the long-standing ambiguity in the 1-loop contribution to the mass of a 1+1-dimensional supersymmetric soliton by adopting a set of boundary conditions which follow from the symmetries of the… (More)

- Horatiu Stefan Nastase, Constantinos Papageorgakis, Sanjaye Ramgoolam
- 2009

We analyse the fluctuations of the ground-state/funnel solutions proposed to describe M2-M5 systems in the level-k mass-deformed/pure Chern-Simons-matter ABJM theory of multiple membranes. We show… (More)

- Horatiu Stefan Nastase, Constantinos Papageorgakis
- 2009

Our recent construction arXiv:0903.3966 for the fuzzy 2-sphere in terms of bifundamentals, discovered in the context of the ABJM model, is shown to be explicitly equivalent to the usual (adjoint)… (More)

- Gordon Chalmers, Horatiu Stefan Nastase, Koenraad Schalm, Ruud Siebelink
- 1998

We test the conjectured relationship between N = 4 super-Yang-Mills theory in four dimensions and IIB supergravity compactified on AdS5×S5 by computing the twoand three-point functions of R-symmetry… (More)

We argue that the fireball observed at RHIC is (the analog of) a dual black hole. In previous works, we have argued that the large s behaviour of the total QCD cross section is due to production of… (More)

We discuss the full nonlinear Kaluza-Klein (KK) reduction of the original formulation of d=11 supergravity on AdS7 ×S4 to gauged maximal (N=4) supergravity in 7 dimensions. We derive the full… (More)

A possible way of defining M theory as the CS theory for the supergroup OSp(1|32) × OSp(1|32) is investigated, based on the approach by Horava in hep-th/9712130. In the high energy limit (expansion… (More)