2004/12/30 by K. A. Bronnikov, E. A. Tagirov
Physics and Astronomy · #gr-qc
published as Grav.Cosmol. 10 (2004) 249-255 · 7 pages, gc.sty. Published for the first time in Russian in 1968 as JINR Preprint. With E.A. Tagirov's comment of September 2004
arxiv created 2004/12/30 · arxiv updated 2009/12/01
Fock representations are constructed for a free scalar field in the closed and quasi-Euclidean isotropic cosmological models. Invariance of their cyclic vector (vacuum) under isometries and the correspondence principle single out a class of unitarily equivalent representations.