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Defect Branes

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arxiv 1109.4484 v2 pith:EXRLUHUJ submitted 2011-09-21 hep-th gr-qc

E. Bergshoeff , T. Ortin , F. Riccioni This is my paper
classification hep-thgr-qc
keywords branesdefectgeneralizedkaluza-kleinmixed-symmetrynumberparticularsupersymmetric
verification ladder T0 review T1 audit T2 compute T3 formal
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We discuss some general properties of "defect branes", i.e. branes of co-dimension two, in (toroidally compactified) IIA/IIB string theory. In particular, we give a full classification of the supersymmetric defect branes in dimensions 2 < D < 11 as well as their higher-dimensionalstring and M-theory origin as branes and a set of "generalized" Kaluza-Klein monopoles. We point out a relation between the generalized Kaluza-Klein monopole solutions and a particular type of mixed-symmetry tensors. These mixed-symmetry tensors can be defined at the linearized level as duals of the supergravity potentials that describe propagating degrees of freedom. It is noted that the number of supersymmetric defect branes is always twice the number of corresponding central charges in the supersymmetry algebra.

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Cited by 2 Pith papers

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