De Sitter holography and the cosmic microwave background

Larsen, Finn; van der Schaar, Jan Pieter; Leigh, Robert G.

doi:10.1088/1126-6708/2002/04/047

De Sitter holography and the cosmic microwave background

Feb, 2002

18 pages

Published in:

JHEP 04 (2002) 047

e-Print:

hep-th/0202127 [hep-th]

DOI:

10.1088/1126-6708/2002/04/047

Report number:

MCTP-02-09,
ILL-TH-02-02

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Abstract:

We interpret cosmological evolution holographically as a renormalisation group flow in a dual Euclidean field theory, as suggested by the conjectured dS/CFT correspondence. Inflation is described by perturbing around the infra-red fixed point of the dual field theory. The spectrum of the cosmic microwave background radiation is determined in terms of scaling violations in the field theory. The dark energy allows similar, albeit less predictive, considerations. We discuss the cosmological fine-tuning problems from the holographic perspective.

Note:

17 pages, 2 figures, uses JHEP style files: corrected and added references Report-no: MCTP-02-09,ILL-(TH)-02-02

holography
space-time: de Sitter
field theory: conformal
renormalization group
duality
inflation
cosmic background radiation
scaling: violation
dark energy

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