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Cosmic Microwave Background Probes Models of Inflation | | R.L. Davis
; H.M. Hodges
; G.F. Smoot
; P.J. Steinhardt
; M.S. Turner
; | | Date: |
13 Jul 1992 | | Journal: | Phys.Rev.Lett. 69 (1992) 1856-1859; Erratum-ibid. 70 (1993) 1733 | | Subject: | astro-ph hep-ph | | Abstract: | Inflation creates both scalar (density) and tensor (gravity wave) metric perturbations. We find that the tensor mode contribution to the CMB anisotropy on large-angular scales can only exceed that of the scalar mode in models where the spectrum of perturbations deviates significantly from scale invariance (e.g., extended and power-law inflation models and extreme versions of chaotic inflation). If the tensor mode dominates at large-angular scales, then the value of $Delta T/T$ predicted on $1^circ$ is less than if the scalar mode dominates, and, for cold dark matter models, $b>1$ can be made consistent with the COBE DMR results. | | Source: | arXiv, astro-ph/9207001 | | Services: | Forum | Review | PDF | Favorites | |
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