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  Generalised geometry from the ground up

Godazgar, H., Godazgar, M., & Nicolai, H. (2014). Generalised geometry from the ground up. Journal of High Energy Physics, 2014(02): 075. doi:10.1007/JHEP02(2014)075.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-3CBB-A Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0024-3AE3-9
Genre: Journal Article

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 Creators:
Godazgar, Hadi1, Author              
Godazgar, Mahdi1, Author              
Nicolai, Hermann1, 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
 Abstract: Extending previous work on generalised geometry, we explicitly construct an E7-valued vielbein in eleven dimensions that encompasses the scalar bosonic degrees of freedom of D=11 supergravity, by identifying new "generalised vielbeine" in eleven dimensions associated with the dual 6-form potential and the dual graviton. By maintaining full on-shell equivalence with the original theory at every step, our construction altogether avoids the constraints usually encountered in other approaches to generalised geometry and, as a side product, also furnishes the non-linear ansatz for the dual (magnetic) 7-form flux for any non-trivial compactification of D=11 supergravity, complementing the known non-linear ansaetze for the metric and the 4-form flux. A preliminary analysis of the generalised vielbein postulate for the new vielbein components reveals tantalising hints of new structures beyond D=11 supergravity and ordinary space-time covariance, and also points to the possible D=11 origins of the embedding tensor. We discuss the extension of these results to E8.

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 Dates: 2013-07-3120142014
 Publication Status: Published in print
 Pages: 20 pages + appendices
 Publishing info: -
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 Rev. Method: -
 Identifiers: arXiv: 1307.8295
DOI: 10.1007/JHEP02(2014)075
 Degree: -

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Title: Journal of High Energy Physics
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Pages: - Volume / Issue: 2014 (02) Sequence Number: 075 Start / End Page: - Identifier: -