651 citations
- University of OxfordGB32 papers
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17 papers · 1 filter
Greybody Factors and Charges in Kerr/CFT
Mirjam Cvetic, Finn Larsen
We compute greybody factors for near extreme Kerr black holes in D=4 and D=5. In D=4 we include four charges so that our solutions can be continuously deformed to the BPS limit. In…
SUSY Breaking in Local String/F-Theory Models
R. Blumenhagen, J. P. Conlon, S. Krippendorf +2
We investigate bulk moduli stabilisation and supersymmetry breaking in local string/F-theory models where the Standard Model is supported on a del Pezzo surface or singularity. Com…
Gauge Threshold Corrections for Local Orientifolds
Joseph P. Conlon, Eran Palti
We study gauge threshold corrections for systems of fractional branes at local orientifold singularities and compare with the general Kaplunovsky-Louis expression for locally super…
Stability Walls in Heterotic Theories
Lara B. Anderson, James Gray, Andre Lukas +1
We study the sub-structure of the heterotic Kahler moduli space due to the presence of non-Abelian internal gauge fields from the perspective of the four-dimensional effective theo…
Testing astrophysical models for the PAMELA positron excess with cosmic ray nuclei
Philipp Mertsch, Subir Sarkar
The excess in the positron fraction reported by the PAMELA collaboration has been interpreted as due to annihilation or decay of dark matter in the Galaxy. More prosaically, it has…
Anisotropic hysteresis on ratcheted superhydrophobic surfaces
H. Kusumaatmaja, J. M. Yeomans
We consider the equilibrium behaviour and dynamics of liquid drops on a superhydrophobic surface patterned with sawtooth ridges or posts. Due to the anisotropic geometry of the sur…