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Scalar cosmological perturbations from inflationary black holes

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arxiv 1007.3851 v2 pith:ELZQEAZI submitted 2010-07-22 gr-qc astro-ph.CO

classification gr-qcastro-ph.CO
keywords blackholesscalarcorrectionfieldsitterspacespectrum
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We study the correction to the scale invariant power spectrum of a scalar field on de Sitter space from small black holes that formed during a pre-inflationary matter dominated era. The formation probability of such black holes is estimated from primordial Gaussian density fluctuations. We determine the correction to the spectrum by first deriving the Keldysh propagator for a massless scalar field on Schwarzschild-de Sitter space. Our results suggest that the effect is strong enough to be tested -- and possibly even ruled out -- by observations.

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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. Black Hole and Cosmological Particle Production in Schwarzschild de Sitter

    hep-th 2019-08 conditional novelty 7.0 of 10

    For freely falling observers on the horizons of Schwarzschild de Sitter spacetime, particle production spectra are generally non-thermal and equal the transmission-weighted convolution of the black hole and cosmologic...

  2. Breaking of scaling symmetry by massless scalar on de Sitter

    gr-qc 2019-08 conditional novelty 5.0 of 10

    The regular response of a massless minimally coupled scalar to a static point charge on de Sitter necessarily breaks dilatation symmetry, even though its energy-momentum tensor does not.

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