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Exotic branes and non-geometric backgrounds

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arxiv 1004.2521 v2 pith:JR3GXEVJ submitted 2010-04-14 hep-th

Jan de Boer , Masaki Shigemori This is my paper
classification hep-th
keywords exoticbranesbackgroundschargesdimensionshigherm-theorynon-geometric
verification ladder T0 review T1 audit T2 compute T3 formal
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When string/M-theory is compactified to lower dimensions, the U-duality symmetry predicts so-called exotic branes whose higher dimensional origin cannot be explained by the standard string/M-theory branes. We argue that exotic branes can be understood in higher dimensions as non-geometric backgrounds or U-folds, and that they are important for the physics of systems which originally contain no exotic charges, since the supertube effect generically produces such exotic charges. We discuss the implications of exotic backgrounds for black hole microstate (non-)geometries.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Cobordism Utopia: U-Dualities, Bordisms, and the Swampland

    hep-th 2025-05 conditional novelty 7.0 of 10

    For 8d maximal supergravity, the spin bordism groups Omega_k^Spin(B(SL(2,Z) x SL(3,Z))) for k=1..7 are computed and each generator is realized by a string/M/F-theory background, some of which are non-geometric.

  2. Duality-covariant particles and exotic branes

    hep-th 2026-06 unverdicted novelty 6.0 of 10

    Proposes enlarged worldline models with coadjoint orbit terms and generalized worldvolume theories for exotic branes that make E8 duality covariance manifest in a Hamiltonian formulation.

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