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43 papers · 2 filters
The footprint of E7 in amplitudes of N=8 supergravity
Renata Kallosh, Taichiro Kugo
We study the low energy theorems associated with the non-linearly realized continuous E7 symmetry of the on-shell N=8 supergravity. For Nambu-Goldstone bosons we evaluate the one-s…
The Volume of the Universe after Inflation and de Sitter Entropy
Sergei Dubovsky, Leonardo Senatore, Giovanni Villadoro
We calculate the probability distribution for the volume of the Universe after slow-roll inflation both in the eternal and in the non-eternal regime. Far from the eternal regime th…
Open String Wavefunctions in Warped Compactifications
Fernando Marchesano, Paul McGuirk, Gary Shiu
We analyze the wavefunctions for open strings in warped compactifications, and compute the warped Kahler potential for the light modes of a probe D-brane. This analysis not only ap…
Index theorem for topological excitations on R^3 * S^1 and Chern-Simons theory
Erich Poppitz, Mithat Unsal
We derive an index theorem for the Dirac operator in the background of various topological excitations on an R^3 \times S^1 geometry. The index theorem provides more refined data t…
Stationary Measure in the Multiverse
Andrei Linde, Vitaly Vanchurin, Sergei Winitzki
We study the recently proposed "stationary measure" in the context of the string landscape scenario. We show that it suffers neither from the "Boltzmann brain" problem nor from the…
Quantum Lift of Non-BPS Flat Directions
S. Bellucci, S. Ferrara, A. Marrani +1
We study N=2, d=4 attractor equations for the quantum corrected two-moduli prepotential , with real, which is the only correction which preserves the axion…