Observing the Inflaton Potential

Details Observing the Inflaton Potential Observing the Inflaton Potential

1993-04-07

arxiv.org/abs/hep-ph/9304228v1

Phys.Rev.Lett. 71 (1993) 219-222

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, LaTeX, FERMILAB--PUB--93/071--A; SUSSEX-AST 93/4-1

Scientific paper

10.1103/PhysRevLett.71.219

We show how observations of the density perturbation (scalar) spectrum and the gravitational wave (tensor) spectrum allow a reconstruction of the potential responsible for cosmological inflation. A complete functional reconstruction or a perturbative approximation about a single scale are possible; the suitability of each approach depends on the data available. Consistency equations between the scalar and tensor spectra are derived, which provide a powerful signal of inflation.

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