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Inflaton and metric fluctuations in the early universe from a 5D vacuum state by Agustin Membiela; Mauricio Bellini is a Physics and Astronomy article available to read on EtoBox.
What is Inflaton and metric fluctuations in the early universe from a 5D vacuum state about?
In this Letter we complete a previously introduced formalism to study the gauge-invariant metric fluctuations from a noncompact Kaluza-Klein theory of gravity, to study the evolution of the early universe. The evolution of both, metric and inflaton field fluctuations are reciprocally related. We obtain that δρ /ρ b depends on the coupling of Φ with δφ and the spectral index of its spectrum is 0.9483 < n 1 < 1.
Who reads Inflaton and metric fluctuations in the early universe from a 5D vacuum state?
It is typically read by researchers, students, and practitioners in Physics and Astronomy.
- Author
- Agustin Membiela; Mauricio Bellini
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0370-2693)
- Published
- 2006
- Language
- EN
- Field
- Physics and Astronomy (Physical Sciences)