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2018, no. 1


Chervon S.V., Kubasov A.S., Bolshakova K.A.

In this paper, it is shown that the Tensor-Multi-Scalar Theory of Gravity (TMS TG) allows for inflationary solutions for the vacuum case, that is, in the absence of material source. For the two-field TMS TG, solutions are found in the presence of a source in the form of the scalar field in the slow-roll regime, when the gravitational part is given in the Einstein frame, and the action of the non-gravitational (material) field \(S_m\) is given in the Jordan frame. In this case, classes of power-law and de Sitter inflation solutions for various potentials of the non-gravitational scalar field are found.

Keywords: tensor-multi-scalar gravity, inflationary solutions.

UDC: 530.12 + 531.51

PACS: 04.50.Kd

DOI: 10.17238/issn2226-8812.2018.1.50-66

Please cite this article in English as:
Chervon S.V., Kubasov A.S., Bolshakova K.A. Cosmological inflation in tensor-multi-scalar theory of gravitation. Space, Time and Fundamental Interactions, 2018, no. 1, pp. 50-66.