The Phase Structure of Higher-Dimensional Black Rings and Black Holes
- R. Emparan, T. Harmark, V. Niarchos, N. Obers, Maria J Rodriguez
- Physics
- 16 August 2007
We construct an approximate solution for an asymptotically flat, neutral, thin rotating black ring in any dimension D ≥ 5 by matching the near-horizon solution for a bent boosted black string, to a…
Tachyon effective actins in open string theory
- D. Kutasov, V. Niarchos
- Physics
- 7 April 2003
tt* equations, localization and exact chiral rings in 4d N$$ \mathcal{N} $$ =2 SCFTs
- M. Baggio, V. Niarchos, K. Papadodimas
- Mathematics, Physics
- 15 September 2014
A bstractWe compute exact 2- and 3-point functions of chiral primaries in four-dimensional N$$ \mathcal{N} $$ = 2 superconformal field theories, including all perturbative and instanton…
Blackfolds in supergravity and string theory
- R. Emparan, T. Harmark, V. Niarchos, N. Obers
- Physics
- 22 June 2011
We develop the effective worldvolume theory for the dynamics of black branes with charges of the kind that arise in many supergravities and low-energy limits of string theory. Using this theory, we…
On exact correlation functions in SU( N ) N = 2 superconformal QCD
- M. Baggio, V. Niarchos, K. Papadodimas
- Mathematics, Physics
- 2015
: We consider the exact coupling constant dependence of extremal correlation functions of N = 2 chiral primary operators in 4d N = 2 superconformal gauge theories with gauge group SU( N ) and N f = 2…
New horizons for black holes and branes
- R. Emparan, T. Harmark, V. Niarchos, N. Obers
- Mathematics
- 14 December 2009
We initiate a systematic scan of the landscape of black holes in any spacetime dimension using the recently proposed blackfold effective worldvolume theory. We focus primarily on asymptotically flat…
D-branes and SQCD in non-critical superstring theory
- A. Fotopoulos, V. Niarchos, N. Prezas
- Physics
- 1 April 2005
Using exact boundary conformal field theory methods we analyze the D-brane physics of a specific four-dimensional non-critical superstring theory which involves the = 2 SL(2)/U(1) Kazama-Suzuki model…
Seiberg Duality in Chern-Simons Theories with Fundamental and Adjoint Matter
- V. Niarchos
- Mathematics
- 20 August 2008
We explore the dynamics of three-dimensional Chern-Simons gauge theories with = 2 supersymmetry and matter in the fundamental and adjoint representations of the gauge group. Realizing the gauge…
Instabilities of black strings and branes
- T. Harmark, V. Niarchos, N. Obers
- Physics
- 3 January 2007
We review recent progress on the instabilities of black strings and branes both for pure Einstein gravity as well as supergravity theories which are relevant for string theory. We focus mainly on…
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