Branes as BIons

Details Branes as BIons Branes as BIons

1998-03-25

arxiv.org/abs/hep-th/9803203v1

Class.Quant.Grav.16:1471-1477,1999

Physics

High Energy Physics

High Energy Physics - Theory

Latex, 9 pages, no figures

Scientific paper

10.1088/0264-9381/16/5/301

A BIon may be defined as a finite energy solution of a non-linear field theory with distributional sources. By contrast a soliton is usually defined to have no sources. I show how harmonic coordinates map the exteriors of the topologically and causally non-trivial spacetimes of extreme p-branes to BIonic solutions of the Einstein equations in a topologically trivial spacetime in which the combined gravitational and matter energy momentum is located on distributional sources. As a consequence the tension of BPS p-branes is classically unrenormalized. The result holds equally for spacetimes with singularities and for those, like the M-5-brane, which are everywhere singularity free.

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