TL;DR
This paper demonstrates that gauge invariance alone does not determine unparticle interactions, leading to a broad class of gauged unparticle actions and methods to construct gauge-invariant colored unparticles with both perturbative and non-perturbative properties.
Contribution
It introduces a new framework showing gauge invariance does not fully specify unparticle-gauge field interactions and provides operators for gauge-invariant colored unparticles.
Findings
Gauge invariance does not fix unparticle interactions.
Constructed operators for gauge-invariant colored unparticles.
Analyzed perturbative and non-perturbative properties of these operators.
Abstract
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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