ASTROPHYSICS AND COSMOLOGY

Static Casimir condensate of the bispinor field in the Friedmann universe

A. B. Arbuzov^ab, S. M. Gaidar^c, A. E. Pavlov<sup>c

a</sup> Joint Institute for Nuclear Research, Dubna, Moscow region, 141980 Russia
^b Dubna State University, Dubna, Moscow region, 141982 Russia
^c Institute of Mechanics and Energetics, Russian State Agrarian University—Moscow Timiryazev Agricultural Academy, Moscow, 127434 Russia

Abstract: The quantum Casimir condensate of the massive bispinor in the compact Friedmann universe has been calculated in the static approximation. The Abel–Plana formula has been used to renormalize divergent series.

Received: 09.02.2022
Revised: 03.03.2022
Accepted: 03.03.2022

DOI: 10.31857/S1234567822070023

 English version: Journal of Experimental and Theoretical Physics Letters, 2022, 115:7, 377–379