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The generalized Bergshoeff-de Roo identification

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arxiv 1810.01427 v3 pith:4CT2YG3V submitted 2018-10-02 hep-th

The generalized Bergshoeff-de Roo identification

classification hep-th
keywords approachesdualityextendinghigherbergshoeff-decorrectionscovariantdeforming
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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There are two main approaches to duality covariant first order higher derivative corrections to the heterotic string, one extending the duality structure and the other deforming the gauge transformations. In this paper we introduce a framework from which both approaches can be derived, proving their equivalence and extending them to higher orders.

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Cited by 2 Pith papers

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

  1. $\alpha'$-Bootstrap

    hep-th 2026-07 conditional novelty 6.5

    An infinite-dimensional algebraic structure on a megaspace yields recursive, T-duality-covariant NS-NS α' and α'^{2} corrections matching known bosonic and heterotic results up to field redefinitions.

  2. Mega-Space Current Algebra and Green-Schwarz Geometry in Heterotic String Theory

    hep-th 2026-07 conditional novelty 5.0

    A Poláček-Siegel mega-space current algebra with Lorentz and heterotic gauge sectors embeds Chern-Simons structures and yields a Green-Schwarz-like Bianchi identity from Jacobi identities, without the α′ tr(R∧R) term.