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Breaking of Supersymmetry and Ultraviolet Divergences in Extended Supergravity pp 95–107Cite as

Loop Amplitude Diagrams in Manifest, Maximal Supergravity

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Part of the book series: Springer Proceedings in Physics ((SPPHY,volume 153))

Abstract

The issue of finiteness of maximal supergravity has been subject to research for quite some time. Here, we approach that question through an examination of how to describe amplitude diagrams in D = 11 maximal supergravity from a field theory point of view. The strength of the formulation is the presence of manifest supersymmetry through the use of pure spinors. An initial analysis of what the subsequent characteristics turn out to be, partly in lower dimensions through dimensional reduction, gives at hand results that agree with previous work, pointing towards a first divergence for the 7-loop contribution to the 4-point amplitude in four dimensions. The text is mainly based on and may be regarded as an introduction to the main points presented there.

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Author information

Authors and Affiliations

  1. Fundamental Physics, Chalmers University of Technology, SE-412 96, Gothenburg, Sweden

    Anna Karlsson

Authors
  1. Anna Karlsson
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Correspondence to Anna Karlsson .

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Editors and Affiliations

  1. Laboratori Nazionali di Frascati, National Institute of Nuclear Physics, Frascati RM, Italy

    Stefano Bellucci

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Karlsson, A. (2014). Loop Amplitude Diagrams in Manifest, Maximal Supergravity. In: Bellucci, S. (eds) Breaking of Supersymmetry and Ultraviolet Divergences in Extended Supergravity. Springer Proceedings in Physics, vol 153. Springer, Cham. https://doi.org/10.1007/978-3-319-03774-5_5

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