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2012

Implications of purely classical gravity for inflationary tensor modes

Ashoorioon, Amjad, Dev, P. S. Bhupal, Mazumdar, Anupam

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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.

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