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  Mellin Amplitudes for Fermionic Conformal Correlators

Faller, J., Sarkar, S., & Verma, M. (2018). Mellin Amplitudes for Fermionic Conformal Correlators. Journal of High Energy Physics, 2018(03): 106. doi:10.1007/JHEP03(2018)106.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-3D4C-8 Version Permalink: http://hdl.handle.net/21.11116/0000-0002-E9FB-D
Genre: Journal Article

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 Creators:
Faller, Josua, Author
Sarkar, Sourav1, Author              
Verma, Mritunjay, 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: We define Mellin amplitudes for the fermion-scalar four point function and the fermion four point function. The Mellin amplitude thus defined has multiple components each associated with a tensor structure. In the case of three spacetime dimensions, we explicitly show that each component factorizes on dynamical poles onto components of the Mellin amplitudes for the corresponding three point functions. The novelty here is that for a given exchanged primary, each component of the Mellin amplitude may in general have more than one series of poles. We present a few examples of Mellin amplitudes for tree-level Witten diagrams and tree-level conformal Feynman integrals with fermionic legs, which illustrate the general properties.

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 Dates: 2017-11-212018
 Publication Status: Published in print
 Pages: 28 pages + Appendices, 8 figures
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 Rev. Method: -
 Identifiers: arXiv: 1711.07929
URI: http://arxiv.org/abs/1711.07929
DOI: 10.1007/JHEP03(2018)106
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Title: Journal of High Energy Physics
Source Genre: Journal
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Pages: - Volume / Issue: 2018 (03) Sequence Number: 106 Start / End Page: - Identifier: -