Phys. Rev. D 66, 023511 (2002) [5 pages]Note on inflation and trans-Planckian physicsReceived 8 April 2002; published 16 July 2002 In this paper we consider the influence of trans-Planckian physics on the CMBR anisotropies produced by inflation. We consider a simple toy model that allows for analytic calculations and argue on general grounds, based on ambiguities in the choice of vacuum, that effects are expected with a magnitude of the order of H/Λ, where H is the Hubble constant during inflation and Λ the scale for new physics, e.g., the Planck scale. © 2002 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.66.023511
DOI:
10.1103/PhysRevD.66.023511
PACS:
98.80.Cq
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