Dark Matter in a Galaxy as Vacuum Polarization

Sergey L. Cherkas; Vladimir L. Kalashnikov

doi:10.20944/preprints202205.0259.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Version 1 : Received: 18 May 2022 / Approved: 19 May 2022 / Online: 19 May 2022 (09:28:13 CEST)

We considered a vacuum polarization around a massive object in the eikonal approximation and found two types of vacuum polarization. The first type has the equation of state similar to radiation and can produce a halo that increases the rotation velocity of a test particle with a radial distance. The second type of vacuum polarization has a more complicated equation of state. As a static physical effect, it produces renormalization of the gravitational constant. Besides, we demonstrate that a nonstationary polarization of the second type caused by a swift increase of the galactic nuclei mass results in a gravitational potential looking like a dark matter halo.

vacuum energy; dark matter; vacuum polarization; active galaxy nuclei

Physical Sciences, Astronomy and Astrophysics

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Dark Matter in a Galaxy as Vacuum Polarization

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