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Article overview
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Dark energy, Dirac's scalar field and the cosmological constant problem | | O. V. Babourova
; B. N. Frolov
; | | Date: |
19 Dec 2011 | | Abstract: | The solutions of the field equations of the conformal theory of gravitation
with Dirac scalar field in Weyl-Cartan spacetime in very early universe are
obtained. In this theory dark energy (describing by an effective cosmological
constant) is a function of the Dirac scalar field $eta$. These solutions
describe the exponential decreasing of $eta$ at the first exponential stage
of inflation. One of these solutions has a limit to a constant value of the
dark energy at large time that can give a way to solving the fundamental
cosmological constant problem as a consequence of the fields dynamics in the
early universe. | | Source: | arXiv, 1112.4449 | | Services: | Forum | Review | PDF | Favorites | |
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