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The generalized Bergshoeff-de Roo identification II

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arxiv 2009.07291 v2 pith:2QU5S4BA submitted 2020-09-15 hep-th

The generalized Bergshoeff-de Roo identification II

classification hep-th
keywords computegeneralizedstringtheoryaccountactionall-orderbergshoeff-de
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We recently introduced a T-duality covariant mechanism to compute all-order higher-derivative interactions in the heterotic string. Here we extend the formalism to account for a two-parameter family of corrections that also include the bosonic string and HSZ theory. We use our result to compute the full second order Double Field Theory (DFT) for generic values of the parameters, including the generalized Green-Schwarz transformation and its invariant action.

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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.