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Implications of purely classical gravity for inflationary tensor modes

Ashoorioon, Amjad and S. Bhupal Dev, P. and Mazumdar, Anupam (2012) Implications of purely classical gravity for inflationary tensor modes.

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    We discuss the implications of purely classical, instead of quantum, theory of gravity for the gravitational wave spectrum generated during inflation. We show that a positive detection of primordial gravitational waves will no longer suffice to determine the scale of inflation in this case -- even a high-scale model of inflation can bypass the observational constraints due to large uncertainties in the initial classical amplitude of the tensor modes.

    Item Type: Journal Article
    Journal or Publication Title:
    Additional Information: v1: 4 pages; v2:6 pages. This is the first paper to argue that a positive detection of B-modes would signify that initial conditions for primordial gravity waves is set by quantum initial conditions and not by classical ones
    Uncontrolled Keywords: hep-th ; astro-ph.CO ; gr-qc ; hep-ph
    Departments: Faculty of Science and Technology > Physics
    ID Code: 69500
    Deposited By: ep_importer_pure
    Deposited On: 27 May 2014 09:20
    Refereed?: No
    Published?: Published
    Last Modified: 21 Jun 2018 00:35
    Identification Number:

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