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Galaxies 2014, 2(1), 81-88; doi:10.3390/galaxies2010081

A Toy Cosmology Using a Hubble-Scale Casimir Effect

School of Marine Science and Engineering, Plymouth University, Plymouth PL4 8AA, UK
Received: 29 December 2013 / Revised: 7 February 2014 / Accepted: 13 February 2014 / Published: 19 February 2014
(This article belongs to the Special Issue Cosmology with Fluid Components)
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Abstract

The visible mass of the observable universe agrees with that needed for a flat cosmos, and the reason for this is not known. It is shown that this can be explained by modelling the Hubble volume as a black hole that emits Hawking radiation inwards, disallowing wavelengths that do not fit exactly into the Hubble diameter, since partial waves would allow an inference of what lies outside the horizon. This model of “horizon wave censorship” is equivalent to a Hubble-scale Casimir effect. This incomplete toy model is presented to stimulate discussion. It predicts a minimum mass and acceleration for the observable universe which are in agreement with the observed mass and acceleration, and predicts that the observable universe gains mass as it expands and was hotter in the past. It also predicts a suppression of variation on the largest cosmic scales that agrees with the low-l cosmic microwave background anomaly seen by the Planck satellite.
Keywords: cosmology; Hawking radiation; Hubble-scale Casimir effect; mass of the observable universe; large-scale CMB anomaly cosmology; Hawking radiation; Hubble-scale Casimir effect; mass of the observable universe; large-scale CMB anomaly
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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McCulloch, M.E. A Toy Cosmology Using a Hubble-Scale Casimir Effect. Galaxies 2014, 2, 81-88.

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