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- Institute for High Energy PhysicsES113 papers
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8 papers · 2 filters
Non-geometric strings, symplectic gravity and differential geometry of Lie algebroids
Ralph Blumenhagen, Andreas Deser, Erik Plauschinn +1
Based on the structure of a Lie algebroid for non-geometric fluxes in string theory, a differential-geometry calculus is developed which combines usual diffeomorphisms with so-call…
A bi-invariant Einstein-Hilbert action for the non-geometric string
Ralph Blumenhagen, Andreas Deser, Erik Plauschinn +1
Inspired by recent studies on string theory with non-geometric fluxes, we develop a differential geometry calculus combining usual diffeomorphisms with what we call beta-diffeomorp…
Moduli Stabilization and Inflationary Cosmology with Poly-Instantons in Type IIB Orientifolds
Ralph Blumenhagen, Xin Gao, Thorsten Rahn +1
Equipped with concrete examples of Type IIB orientifolds featuring poly-instanton corrections to the superpotential, the effects on moduli stabilization and inflationary cosmology…
A Lorentz invariant doubled worldsheet theory
Stefan Groot Nibbelink, Peter Patalong
We propose a Lorentz invariant version of Tseytlin's doubled worldsheet theory that makes T-duality covariance of the string manifest. This theory can be derived as a gauge fixed v…
Fluxbranes: Moduli Stabilisation and Inflation
Arthur Hebecker, Sebastian C. Kraus, Moritz Kuntzler +2
Fluxbrane inflation is a stringy version of D-term inflation in which two fluxed D7-branes move towards each other until their (relative) gauge flux annihilates. Compared to brane-…
Towards a Holographic Realization of Homes' Law
Johanna Erdmenger, Patrick Kerner, Steffen Muller
Gauge/gravity duality has proved to be a very successful tool for describing strongly coupled systems in particle physics and heavy ion physics. The application of the gauge/gravit…