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  A rederivation of the conformal anomaly for spin-1/2

Godazgar, H., & Nicolai, H. (2018). A rederivation of the conformal anomaly for spin-1/2. Classical and Quantum Gravity, 35(10): 105013. doi:10.1088/1361-6382/aaba97.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-BA5A-A Version Permalink: http://hdl.handle.net/21.11116/0000-0002-EC5D-D
Genre: Journal Article

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 Creators:
Godazgar, Hadi1, Author              
Nicolai, Hermann1, Author              
Affiliations:
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 rederive the conformal anomaly for spin-1/2 fermions by a genuine Feynman graph calculation, which has not been available so far. Although our calculation merely confirms a result that has been known for a long time, the derivation is new, and thus furnishes a method to investigate more complicated cases (in particular concerning the significance of the quantum trace of the stress tensor in non-conformal theories) where there remain several outstanding and unresolved issues.

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 Dates: 2018-01-052018
 Publication Status: Published in print
 Pages: 23 pages + appendices
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 Rev. Method: -
 Identifiers: arXiv: 1801.01728
URI: http://arxiv.org/abs/1801.01728
DOI: 10.1088/1361-6382/aaba97
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Title: Classical and Quantum Gravity
Source Genre: Journal
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Pages: - Volume / Issue: 35 (10) Sequence Number: 105013 Start / End Page: - Identifier: -