Linearized self-forces for branes

Details Linearized self-forces for branes Linearized self-forces for branes

2004-12-06

arxiv.org/abs/hep-th/0412053v1

Phys.Rev. D71 (2005) 104026

Physics

High Energy Physics

High Energy Physics - Theory

15 pages

Scientific paper

10.1103/PhysRevD.71.104026

We compute the regularized force density and renormalized action due to fields of external origin coupled to a brane of arbitrary dimension in a spacetime of any dimension. Specifically, we consider forces generated by gravitational, dilatonic and generalized antisymmetric form-fields. The force density is regularized using a recently developed gradient operator. For the case of a Nambu--Goto brane, we show that the regularization leads to a renormalization of the tension, which is seen to be the same in both approaches. We discuss the specific couplings which lead to cancellation of the self-force in this case.

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