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12 papers · 2 filters
On the Calabi-Yau Phase of (0,2) Models
M. Nikbakht-Tehrani
We study the Calabi-Yau phase of a certain class of (0,2) models. These are conjectured to be equivalent to exact (0,2) superconformal field theories which have been constructed re…
Algebraic characterization of gauge anomalies on a nontrivial bundle
P. John, O. Moritsch, M. Schweda +1
We discuss the algebraic way of solving the descent equations corresponding to the BRST consistency condition for the gauge anomalies and the Chern--Simons terms on a nontrivial bu…
(0,2) string compactifications
M. Kreuzer, M. Nikbakht-Tehrani
Using the simple current method we study a class of SCFTs which we conjecture to be equivalent to (0,2) sigma models constructed in the framework of gauged linear sigma mod…
The finiteness of the four dimensional antisymmetric tensor field model in a curved background
U. Feichtinger, O. Moritsch, J. Rant +2
A renormalizable rigid supersymmetry for the four dimensional antisymmetric tensor field model in a curved space-time background is constructed. A closed algebra between the BRS an…
Eliminating Infrared Divergences in the Pressure
I. T. Drummond, R. R. Horgan, P. V. Landshoff +1
The pressure of a system in thermal equilibrium is expressed as a mass integral over a sum of thermal propagators. This allows a Dyson resummation and is used to demonstrate that p…
Searching for K3 Fibrations
A. C. Avram, M. Kreuzer, M. Mandelberg +1
We present two methods for studying fibrations of Calabi-Yau manifolds embedded in toric varieties described by single weight systems. We analyse 184,026 such spaces and identify a…