Unparticle Example in 2D

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Unparticle Example in 2D

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Title: Unparticle Example in 2D
Author: Georgi, Howard; Kats, Yevgeny

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Citation: Georgi, Howard, Yevgeny Kats. 2008. Unparticle Example in 2D. Physical Review Letters 101, 131603.
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Abstract: We discuss what can be learned about unparticle physics by studying simple quantum field theories in one space and one time dimension. We argue that the exactly soluble 2D theory of a massless fermion coupled to a massive vector boson, the Sommerfield model, is an interesting analog of a Banks-Zaks model, approaching a free theory at high energies and a scale-invariant theory with nontrivial anomalous dimensions at low energies. We construct a toy standard model coupling to the fermions in the Sommerfield model and study how the transition from unparticle behavior at low energies to free particle behavior at high energies manifests itself in interactions with the toy standard model particles.
Published Version: http://dx.doi.org/10.1103/PhysRevLett.101.131603
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:2794951
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