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- Mitchell InstituteUS101 papers
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7 papers · 2 filters
Torsional Heterotic Geometries
Katrin Becker, Savdeep Sethi
We construct new examples of torsional heterotic backgrounds using duality with orientifold flux compactifications. We explain how duality provides a perturbative solution to the t…
Solutions to Horava Gravity
H. Lu, Jianwei Mei, C. N. Pope
Recently Horava proposed a non-relativistic renormalisable theory of gravitation, which reduces to Einstein's general relativity at large distances, and that may provide a candidat…
Witten-Nester Energy in Topologically Massive Gravity
Ergin Sezgin, Yoshiaki Tanii
We formulate topologically massive supergravity with cosmological constant in the first order formalism, and construct the Noether supercurrent and superpotential associated with i…
Time Delays of Strings in D-particle Backgrounds and Vacuum Refractive Indices
Tianjun Li, Nick E. Mavromatos, Dimitri V. Nanopoulos +1
Using standard techniques in string/D-brane scattering amplitude computations, we evaluate the scattering of open strings off D-particles in brane world scenarios. The D-particles…
Kaluza-Klein models as pistons
Klaus Kirsten, S. A. Fulling
We consider the influence of extra dimensions on the force in Casimir pistons. Suitable analytical expressions are provided for the Casimir force in the range where the plate dista…
Extremal Static AdS Black Hole/CFT Correspondence in Gauged Supergravities
H. Lu, Jianwei Mei, C. N. Pope +1
A recently proposed holographic duality allows the Bekenstein-Hawking entropy of extremal rotating black holes to be calculated microscopically, by applying the Cardy formula to th…