Relativity and Cosmology

    

Distributional Sads BH Spacetime-Induced Vacuum Dominance

Authors: Jaykov Foukzon

The vacuum energy density of free scalar quantum field  with a distributional background spacetime also is considered.It has been widely believed that, except in very extreme situations, the influence of gravity on quantum fields should amount to just small, sub-dominant contributions. Here we argue that this belief is false by showing that there exist well-behaved spacetime evolutions where the vacuum energy density of free quantum fields is forced, by the very same background distributional spacetime such BHs, to become dominant over any classical energydensity component. This semiclassical gravity effect finds its roots in the singular behavior of quantum fields on curved spacetimes. In particular we obtain that the vacuum fluctuations <Ф^2> has a singular behavior on BHs horizon r_+: <Ф^2>~|r−r_+|^−2.We argue that this vacuum dominance may bear importent astrophysical implications.

Comments: 65 Pages. British Journal of Mathematics & Computer Science, ISSN: 2231-0851,Vol.: 13, Issue.: 6 DOI : 10.9734/BJMCS/2016/19235

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Submission history

[v1] 2015-05-16 09:02:53
[v2] 2015-07-26 00:00:43

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