Boundary $σ$-model and corrections to D-brane actions

Details Boundary $σ$-model and corrections to D-brane actions Boundary $σ$-model and corrections to D-brane actions

2003-01-04

arxiv.org/abs/hep-th/0301012v3

Phys.Rev. D67 (2003) 106001

Physics

High Energy Physics

High Energy Physics - Theory

Latex, 15 pages, 6 figures

Scientific paper

10.1103/PhysRevD.67.106001

We consider a $\sigma$-model formulation of open string theory in the presence of D-branes. We perform two-loop computations and discuss gravitational corrections to Born-Infeld action when branes are non-trivially embedded in a curved ambient space. In particular for the case of a stack of $N$ coincident D-branes we analyze couplings of the form $R_{ijkl}[\Phi^i,\Phi^j][\Phi^k,\Phi^l]$.

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