Cosmological Unparticle Correlators
arXiv:0710.4275 · doi:10.1016/j.physletb.2008.01.076
Abstract
We introduce and study an extension of the correlator of unparticle matter operators in a cosmological environment. Starting from FRW spaces we specialize to a de Sitter spacetime and derive its inflationary power spectrum which we find to be almost flat. We finally investigate some consequences of requiring the existence of a unitary boundary conformal field theory in the framework of the dS/CFT correspondence.
8 pages, 1 figure, to appear on Phys. Lett. B
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