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- Title
Fermionic unparticles, gauge interactions and the β function.
- Authors
Basu, Rahul; Choudhury, Debajyoti; Mani, H. S.
- Abstract
The dynamics of fermionic unparticles is developed from first principles. It is shown that any unparticle, whether fermionic or bosonic, can be recast in terms of a canonically quantized field, but with non-local interaction terms. We further develop a possible gauge theory for fermionic unparticles. Computing the consequent contribution of unfermions to the β function of the theory, it is shown that this can be viewed as the sum of two contributions, one fermion-like and the other scalar-like. However, if full conformal invariance is imposed, the latter vanishes identically. We discuss the consequences thereof as well as some general phenomenological issues.
- Subjects
FERMIONS; GAUGE field theory; SCALAR field theory; CONFORMAL invariants; NUCLEAR particle research
- Publication
European Physical Journal C -- Particles & Fields, 2009, Vol 61, Issue 3, p461
- ISSN
1434-6044
- Publication type
Article
- DOI
10.1140/epjc/s10052-009-1022-2