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Implications of purely classical gravity for inflationary tensor modes

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arxiv 1211.4678 v2 pith:DPL5CU24 submitted 2012-11-20 hep-th astro-ph.COgr-qchep-ph

Amjad Ashoorioon , P. S. Bhupal Dev , Anupam Mazumdar This is my paper
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keywords classicalinflationgravitationalgravityimplicationsmodespurelytensor
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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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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Manifestation of quantum entanglement between harmonic oscillators in de Sitter

    gr-qc 2025-06 reject novelty 6.0 of 10

    In de Sitter space, two harmonic oscillators coupled by a massless scalar field develop late-time entanglement that is sizeable when frequency and separation are near the Hubble scale, and tiny otherwise.

  2. A Breakdown Case Study of the Lindblad Approach via Entanglement and Purity

    quant-ph 2025-07 conditional novelty 5.0 of 10

    A two-qubit system in a random many-body environment decoheres with two successive Gaussian decays, which a time-homogeneous Lindblad equation can never reproduce because its short-time decay is always linear.

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