New Supergravity Backgrounds Dual to N=1 SQCD-like Theories with N_f=2N_c (2007)
Caceres, Elena, Flauger, Raphael, Ihl, Matthias, Wrase, Timm
We present new supergravity backgrounds generated by N_c D5-branes, wrapping the S^2 of the resolved conifold, in the presence of N_f = 2 N_c smeared flavor D5-branes. The smearing allows us to take...
Toroidal Orientifolds in IIA with General NS-NS Fluxes (2007)
Ihl, Matthias, Robbins, Daniel, Wrase, Timm
Type IIA toroidal orientifolds offer a promising toolkit for model builders, especially when one includes not only the usual fluxes from NS-NS and R-R field strengths, but also fluxes that are T-dual...
We apply the methods of DeWolfe et al. [hep-th/0505160] to a T^6/Z_4 orientifold model. This is the first step in an attempt to build a phenomenologically interesting meta-stable de Sitter model with...
Drinfeld-Twisted Supersymmetry and Non-Anticommutative Superspace (2005)
Ihl, Matthias, Saemann, Christian
We extend the analysis of hep-th/0408069 on a Lorentz invariant interpretation of noncommutative spacetime to field theories on non-anticommutative superspace with half the supersymmetries broken. By...
String Field Theory Projectors for Fermions of Integral Weight (2003)
Ihl, Matthias, Kling, Alexander, Uhlmann, Sebastian
The interaction vertex for a fermionic first order system of weights (1,0) such as the twisted bc-system, the fermionic part of N=2 string field theory and the auxiliary \eta\xi system of N=1 strings...
Noncommutative Extended Waves and Soliton-like Configurations in N=2 String Theory (2002)
Ihl, Matthias, Uhlmann, Sebastian
The Seiberg-Witten limit of fermionic N=2 string theory with nonvanishing B-field is governed by noncommutative self-dual Yang-Mills theory (ncSDYM) in 2+2 dimensions. Conversely, the self-duality...
Supermanifolds - Application to Supersymmetry (2002)
Cartier, Pierre, DeWitt-Morette, Cecile, Ihl, Matthias, Saemann, Christian, Bell, Maria E.
Parity is ubiquitous, but not always identified as a simplifying tool for computations. Using parity, having in mind the example of the bosonic/fermionic Fock space, and the framework of Z_2-graded...
The Bose/Fermi oscillators in a new supersymmetric representation /--by Matthias Ihl. (2001)
Thesis (M.A.)--University of Texas at Austin, 2001.