Anomaly-Free Brane Worlds in Seven Dimensions

Details Anomaly-Free Brane Worlds in Seven Dimensions Anomaly-Free Brane Worlds in Seven Dimensions

2002-11-04

arxiv.org/abs/hep-th/0211019v2

Phys.Rev.Lett.90:101601,2003

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, LaTeX; v2: typos corrected, references added

Scientific paper

10.1103/PhysRevLett.90.101601

We present an orbifold compactification of the minimal seven dimensional supergravity. The vacuum is a slice of AdS_7 where six-branes of opposite tension are located at the orbifold fixed points. The cancellation of gauge and gravitational anomalies restricts the gauge group and matter content on the boundaries. In addition anomaly cancellation fixes the boundary gauge couplings in terms of the gravitational constant, and the mass parameter of the Chern-Simons term.

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