Astronomy and Astrophysics – Astrophysics – Cosmology and Extragalactic Astrophysics
Scientific paper
2010-06-27
Astronomy and Astrophysics
Astrophysics
Cosmology and Extragalactic Astrophysics
Scientific paper
The observed dark energy phenomenon is attributed to the presence of the zero-point fluctuations of matter fields. We show that due to the presence of the gas of virtual wormholes the zero-point energy is finite and forms the finite (of the Planckian order) value. The observed value of the cosmological constant is somewhat reduced due to the two effects. First is the renormalization of the gravitational constant which presumably forms the initial (local) value $H^2_{inf}$ predicted by the inflationary scenario. And second is an additional reduction due to the presence of the gas of actual wormholes required by the dark matter phenomenon. We show that the Starobinsky model of inflation explains both, the inflationary stage in the past and the present day acceleration of the Universe. It also represents the so-called model of the eternal Universe.
Kirillov Alexander A.
Savelova E. P.
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