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  The gauge structure of generalised diffeomorphisms

Berman, D. S., Cederwall, M., Kleinschmidt, A., & Thompson, D. C. (2013). The gauge structure of generalised diffeomorphisms. Journal of high energy physics: JHEP, 2013(01): 064. doi:0.1007/JHEP01(2013)064.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-E969-B Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-4985-1
Genre: Journal Article

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1208.5884 (Preprint), 382KB
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 Creators:
Berman, David S., Author
Cederwall, Martin, Author
Kleinschmidt, Axel1, Author              
Thompson, Daniel C., Author
Affiliations:
1Quantum Gravity and Unified Theories, AEI Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24014              

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Free keywords: High Energy Physics - Theory, hep-th
 Abstract: We investigate the generalised diffeomorphisms in M-theory, which are gauge transformations unifying diffeomorphisms and tensor gauge transformations. After giving an En(n)-covariant description of the gauge transformations and their commutators, we show that the gauge algebra is infinitely reducible, i.e., the tower of ghosts for ghosts is infinite. The Jacobiator of generalised diffeomorphisms gives such a reducibility transformation. We give a concrete description of the ghost structure, and demonstrate that the infinite sums give the correct (regularised) number of degrees of freedom. The ghost towers belong to the sequences of rep- resentations previously observed appearing in tensor hierarchies and Borcherds algebras. All calculations rely on the section condition, which we reformulate as a linear condition on the cotangent directions. The analysis holds for n < 8. At n = 8, where the dual gravity field becomes relevant, the natural guess for the gauge parameter and its reducibility still yields the correct counting of gauge parameters.

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 Dates: 2012-08-292013
 Publication Status: Published in print
 Pages: 24 pp., plain tex, 1 figure
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1208.5884
DOI: 0.1007/JHEP01(2013)064
 Degree: -

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Title: Journal of high energy physics : JHEP
Source Genre: Journal
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Publ. Info: Bologna, Italy : Società italiana di fisica
Pages: - Volume / Issue: 2013 (01) Sequence Number: 064 Start / End Page: - Identifier: ISSN: 1126-6708
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/111021927548002