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5 papers · 2 filters
On Closed Twistor String Theory
R. A. Reid-Edwards
The Heterotic twistor string theory of Mason and Skinner is investigated with particular attention given to the role of topological gravity on the world-sheet. The general structur…
Calabi-Yau Manifolds with Large Volume Vacua
James Gray, Yang-Hui He, Vishnu Jejjala +3
We describe an efficient, construction independent, algorithmic test to determine whether Calabi--Yau threefolds admit a structure compatible with the Large Volume moduli stabiliza…
Superpotential de-sequestering in string models
Marcus Berg, Joseph P. Conlon, David Marsh +1
Non-perturbative superpotential cross-couplings between visible sector matter and Kähler moduli can lead to significant flavour-changing neutral currents in compactifications of ty…
The black hole information problem beyond quantum theory
Markus P. Mueller, Jonathan Oppenheim, Oscar C. O. Dahlsten
The origin of black hole entropy and the black hole information problem provide important clues for trying to piece together a quantum theory of gravity. Thus far, discussions on t…
A simple formula for gravitational MHV amplitudes
Andrew Hodges
A simple formula is given for the n-field tree-level MHV gravitational amplitude, based on soft limit factors. It expresses the full S_n symmetry naturally, as a determinant of ele…