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Showing 2004 · hep-thShow all

58 papers · 2 filters

hep-th2004★ 110 cited

Computation of Superpotentials for D-Branes

Paul S. Aspinwall, Sheldon Katz

We present a general method for the computation of tree-level superpotentials for the world-volume theory of B-type D-branes. This includes quiver gauge theories in the case that t…

hep-th2004★ 5 cited

Correlation functions in a c=1 boundary conformal field theory

Kristjan R. Kristjansson, Larus Thorlacius

We obtain exact results for correlation functions of primary operators in the two-dimensional conformal field theory of a scalar field interacting with a critical periodic boundary…

hep-th2004★ 92 cited

Moduli Potentials in Type IIA Compactifications with RR and NS Flux

Shamit Kachru, Amir-Kian Kashani-Poor

We describe a simple class of type IIA string compactifications on Calabi-Yau manifolds where background fluxes generate a potential for the complex structure moduli, the dilaton,…

hep-th2004★ 137 cited

Enumerating Flux Vacua with Enhanced Symmetries

Oliver DeWolfe, Alexander Giryavets, Shamit Kachru +1

We study properties of flux vacua in type IIB string theory in several simple but illustrative models. We initiate the study of the relative frequencies of vacua with vanishing sup…

hep-th2004★ 94 cited

A New Handle on de Sitter Compactifications

Alex Saltman, Eva Silverstein

We construct a large new class of de Sitter (and anti de Sitter) vacua of critical string theory from flux compactifications on products of Riemann surfaces. In the construction, t…

hep-th2004★ 115 cited

All Next-to-Maximally-Helicity-Violating One-Loop Gluon Amplitudes in N=4 Super-Yang-Mills Theory

Zvi Bern, Lance J. Dixon, David A. Kosower

We compute the next-to-MHV one-loop n-gluon amplitudes in N=4 super-Yang-Mills theory. These amplitudes contain three negative-helicity gluons and an arbitrary number of positive-h…