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Showing 1993 · astro-phShow all
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astro-ph1993★ 163 cited
Fluctuations of the Gravitational Constant in the Inflationary Brans-Dicke Cosmology
Juan Garcia-Bellido, Andrei Linde, Dmitri Linde
According to the Brans--Dicke theory, the value of the gravitational constant G which we measure at present is determined by the value of the Brans--Dicke scalar field ϕat the end…
astro-ph1993★ 1.3k cited
Hybrid Inflation
Andrei Linde
Usually inflation ends either by a slow rolling of the inflaton field, which gradually becomes faster and faster, or by a first-order phase transition. We describe a model where in…
astro-ph1993★ 10 cited
A Green Function for Metric Perturbations due to Cosmological Density Fluctuations
Mark W Jacobs, Eric V Linder, Robert V Wagoner
We study scalar perturbations to a Robertson-Walker cosmological metric in terms of a pseudo-Newtonian potential, which emerges naturally from the solution of the field equations.…