Supergravity braneworlds

Details Supergravity braneworlds Supergravity braneworlds

Aug 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001cqgra..18.3215s&link_type=abstract

Classical and Quantum Gravity, Volume 18, Issue 16, pp. 3215-3222 (2001).

Computer Science

1

Scientific paper

We show how the Randall-Sundrum geometry, which has been proposed as a scenario for the universe realized as a 3-brane embedded in a five-dimensional spacetime, arises naturally as an S5-dimensional reduction of a supersymmetric 3-brane of type IIB supergravity. However, a closer inspection of the D = 10 delta-function sources for this solution reveals a more complex situation: in addition to the anticipated positive and negative shells of 3-brane source, there is also a non-brane stress-tensor delta-function. The latter singularity may be interpreted as arising from a patching of two discs of D = 10 spacetime coincident with the inner and outer brane locations.

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