Geodesic
Cosmological constant, scalar field, and the~coincidence
Teoretičeskaâ i matematičeskaâ fizika, Tome 212 (2022) no. 3, pp. 478-488

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We study a phenomenological model in which dark matter in the cosmological constant form is identified with the mean energy–momentum tensor of a causally unrelated region. The dynamics of the parameter introduced in this model are considered, a possible method for solving the coincidence problem is proposed. We also find the form of the scalar field potential corresponding to the presented model.
Keywords: cosmological constant, inflationary expansion, scalar field. 
@article{TMF_2022_212_3_a10,
     author = {V. I. Kochkin},
     title = {Cosmological constant, scalar field, and the~coincidence},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {478--488},
     publisher = {mathdoc},
     volume = {212},
     number = {3},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2022_212_3_a10/}
}
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V. I. Kochkin. Cosmological constant, scalar field, and the~coincidence. Teoretičeskaâ i matematičeskaâ fizika, Tome 212 (2022) no. 3, pp. 478-488. http://geodesic.mathdoc.fr/item/TMF_2022_212_3_a10/