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One-Loop Kahler Metric of D-Branes at Angles | | Marcus Berg
; Michael Haack
; Jin U. Kang
; | | Date: |
21 Dec 2011 | | Abstract: | We evaluate string one-loop contributions to the Kahler metric of D-brane
moduli (positions and Wilson lines), in toroidal orientifolds with branes at
angles. Contributions due to bulk states in the loop are known, so we focus on
the contributions due to states localized at intersections of orientifold
images. We show that these quantum corrections vanish. This does not follow
from the usual nonrenormalization theorems of supersymmetric field theory. | | Source: | arXiv, 1112.5156 | | Services: | Forum | Review | PDF | Favorites | |
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