Anomaly free brane worlds in seven-dimensions

Gherghetta, Tony; Kehagias, Alex

doi:10.1103/PhysRevLett.90.101601

Anomaly free brane worlds in seven-dimensions

Tony Gherghetta
(
- Minnesota U.
)
,
Alex Kehagias
(
- Natl. Tech. U., Athens and
- Democritos Nucl. Res. Ctr.
)

Nov, 2002

10 pages

Published in:

Phys.Rev.Lett. 90 (2003) 101601

e-Print:

hep-th/0211019 [hep-th]

DOI:

10.1103/PhysRevLett.90.101601

Report number:

UMN-TH-2118-02

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Abstract:

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.

supergravity
dimension: 7
dimension: 6
space-time: anti-de Sitter
compactification: orbifold
boundary condition
anomaly
Chern-Simons term

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