Unparticle actions and gauge invariance

Details Unparticle actions and gauge invariance Unparticle actions and gauge invariance

2008-10-21

arxiv.org/abs/0810.3916v2

Phys.Rev.D79:025014,2009

Physics

High Energy Physics

High Energy Physics - Theory

15 pages. V2: references added. Version to appear in PRD

Scientific paper

10.1103/PhysRevD.79.025014

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 coloured unparticles. We
discuss both their perturbative and non--perturbative properties.

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