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20 papers · 2 filters
Three-point current correlation functions as probes of Effective Conformal Theories
Kassahun Betre
The three-point current correlation function in Euclidean spacetime for a strongly coupled system with non-Abelian global symmetry, , is ca…
S-duality of nonsupersymmetric gauge theories
Anson Hook, Gonzalo Torroba
We propose a method for constructing pairs of nonsupersymmetric gauge theories related by S-duality. Starting from a known S-duality of supersymmetric theories realized on the worl…
Interpolating from Bianchi Attractors to Lifshitz and AdS Spacetimes
Shamit Kachru, Nilay Kundu, Arpan Saha +2
We construct classes of smooth metrics which interpolate from Bianchi attractor geometries of Types II, III, VI and IX in the IR to Lifshitz or geometries in the…
New solutions with accelerated expansion in string theory
Matthew Dodelson, Xi Dong, Eva Silverstein +1
We present concrete solutions with accelerated expansion in string theory, requiring a small, tractable list of stress energy sources. We explain how this construction (and others…
Inflation after False Vacuum Decay: Observational Prospects after Planck
Raphael Bousso, Daniel Harlow, Leonardo Senatore
We assess two potential signals of the formation of our universe by the decay of a false vacuum. Negative spatial curvature is one possibility, but the window for its detection is…
Twining Genera of (0,4) Supersymmetric Sigma Models on K3
Sarah Harrison, Shamit Kachru, Natalie M. Paquette
Conformal field theories with (0,4) worldsheet supersymmetry and K3 target can be used to compactify the E8xE8 heterotic string to six dimensions in a supersymmetric manner. The da…