Journal
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Volume -, Issue 9, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1475-7516/2015/09/025
Keywords
quantum gravity phenomenology; inflation; paiticle physics - cosmology connection
Funding
- Bertha University
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In tins work, we investigate inflationary cosmology using scalar field theory deformed by the generalized uncertainty principle (CUP) containing a linear momentum term. Apart from being consistent with the existence of a minimum measurable length scale, this CUP is also consistent with doubly special relativity and hence with the existence of maximum measurable momentum. We use this deformed scalar field theory to analyze the tensor and scalar mode equations in a de Sitter background, and to calculate modifications to the tensor-to-scalar ratio. Finally, we compare our results for the tensor-to-scalar ratio with the Planck data to constrain the minimum length parameter in the GUP.
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