Phys. Rev. D 79, 025014 (2009) [7 pages]Unparticle actions and gauge invarianceReceived 4 December 2008; published 23 January 2009 We show that the requirement of gauge invariance is not enough to fix the form of interactions between unparticles and gauge fields, thus revealing a wide new class of gauged unparticle actions. Our approach also allows us to construct operators which create gauge invariant colored unparticles. We discuss both their perturbative and nonperturbative properties. © 2009 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.79.025014
DOI:
10.1103/PhysRevD.79.025014
PACS:
11.15.Tk, 11.10.Lm, 11.10.Ef
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