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  Higher curvature Bianchi identities, generalised geometry and L_{\infty}algebras

Coimbra, A. (in preparation). Higher curvature Bianchi identities, generalised geometry and L_{\infty}algebras.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0004-76EA-0 Version Permalink: http://hdl.handle.net/21.11116/0000-0004-76ED-D
Genre: Paper

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1907.09501.pdf (Preprint), 350KB
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 Creators:
Coimbra, Andre1, Author              
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1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24014              

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Free keywords: High Energy Physics - Theory, hep-th,Mathematics, Differential Geometry, math.DG
 Abstract: The Bianchi identities for bosonic fluxes in supergravity can receive higher derivative quantum and string corrections, the most well known being that of Heterotic theory $d H = \tfrac{1}{4}\alpha'(\text{tr } F^2 - \text{tr } R^2)$. Less studied are the modifications at order $R^4$ that may arise, for example, in the Bianchi identity for the seven-form flux of M theory compactifications. We argue that such corrections appear to be incompatible with the exceptional generalised geometry description of the lower order supergravity, and seem to imply a gauge algebra for the bosonic potentials that cannot be written in terms of an (exceptional) Courant bracket. However, we show that this algebra retains the form of an $L_{\infty}$ gauge field theory, which terminates at a level ten multibracket.

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 Dates: 2019-07-22
 Publication Status: Not specified
 Pages: 50 pages
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1907.09501
URI: http://arxiv.org/abs/1907.09501
 Degree: -

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