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Non-BPS Floating Branes and Bubbling Geometries

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arxiv 2112.03279 v2 pith:NUW7TBNS submitted 2021-12-06 hep-th

classification hep-th
keywords non-bpsblackgeometriesholesnon-extremalsmoothbubblingcharges
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We derive a non-BPS linear ansatz using the charged Weyl formalism in string and M-theory backgrounds. Generic solutions are static and axially-symmetric with an arbitrary number of non-BPS sources corresponding to various brane, momentum and KKm charges. Regular sources are either four-charge non-extremal black holes or smooth non-BPS bubbles. We construct several families such as chains of non-extremal black holes or smooth non-BPS bubbling geometries and study their physics. The smooth horizonless geometries can have the same mass and charges as non-extremal black holes. Furthermore, we find examples that scale towards the four-charge BPS black hole when the non-BPS parameters are taken to be small, but the horizon is smoothly resolved by adding a small amount of non-extremality.

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  1. The Special Locus

    hep-th 2025-05 conditional novelty 6.0 of 10

    The special locus is equivalent to vanishing twisted gauge fields in 3D and to the 6D identity B2 = 1/4 B1, which trivializes one anti-self-dual tensor multiplet.

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