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Superstrata

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arxiv 2002.01592 v1 pith:SN3DWIAV submitted 2020-02-05 hep-th

classification hep-th
keywords superstratablackdualgeometriesgivemicrostatesolutionssome
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We give a survey of the present status of the microstate geometries called superstrata. Superstrata are smooth, horizonless solutions of six-dimensional supergravity that represent some of the microstates of the D1-D5-P black hole in string theory. They are the most general microstate geometries of that sort whose CFT dual states are identified. After reviewing relevant features of the dual CFT, we discuss the construction of superstratum solutions in supergravity, based on the linear structure of the BPS equations. We also review some of recent work on generalizations of superstrata and physical properties of superstrata. Although the number of superstrata constructed so far is not enough to account for the black-hole entropy, they give us valuable insights into the microscopic physics of black holes.

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Cited by 4 Pith papers

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

  1. The black hole S-matrix in gauge/gravity duality

    hep-th 2026-07 conditional novelty 6.0 of 10

    A unitary black hole S-matrix is built in AdS/CFT via collapsing brane shells; the black hole decays by exponentially rare brane emission, and the emitted branes are argued to be the original constituents, resolving t...

  2. Berry Picking: Random Wave Chaos Hierarchy for BPS Microstate Geometries

    hep-th 2026-07 conditional novelty 6.0 of 10

    Wave chaos in BPS microstate geometries strengthens toward black-hole-like throats while geodesic chaos weakens, and weak-coupling CFT Renyi entropies do not share that bulk hierarchy.

  3. Cogito, ergo - strings: Supersymmetric ergoregions and their stringy excitations

    hep-th 2025-08 unverdicted novelty 6.0 of 10

    Supersymmetric ergoregions without horizons in NS5-F1-P bound states are shown to admit negative-energy BPS excitations, described via gauged WZW models and mapped holographically to the dual CFT.

  4. BPS Fivebrane Stars III: Effective Actions

    hep-th 2024-11 conditional novelty 6.0 of 10

    An NS5-brane plus supergravity effective action reproduces BPS supertube solutions with transverse and internal modes and yields new correlation functions of density and graviton fluctuations.

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