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  On Scale and Conformal Invariance in Four Dimensions

Dymarsky, A., Komargodski, Z., Schwimmer, A., & Theisen, S. (2015). On Scale and Conformal Invariance in Four Dimensions. Journal of high energy physics: JHEP, 2015(10): 171. doi:10.1007/JHEP10(2015)171.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-6EEA-6 Version Permalink: http://hdl.handle.net/21.11116/0000-0002-995C-B
Genre: Journal Article

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 Creators:
Dymarsky, Anatoly, Author
Komargodski, Zohar, Author
Schwimmer, Adam, Author
Theisen, Stefan1, 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 study the implications of scale invariance in four-dimensional quantum field theories. Imposing unitarity, we find that infinitely many matrix elements vanish in a suitable kinematical configuration. This vanishing is a nontrivial necessary condition for conformality. We provide an argument why this is expected to be a sufficient condition as well, thereby linking scale and conformal invariance in unitary theories. We also discuss possible exceptions to our argument.

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 Dates: 2013-09-112015
 Publication Status: Published in print
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 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1309.2921
DOI: 10.1007/JHEP10(2015)171
 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: 2015 (10) Sequence Number: 171 Start / End Page: - Identifier: ISSN: 1126-6708
CoNE: /journals/resource/111021927548002