General dissipative coefficient in warm intermediate and logamediate inflation

Abstract

We study a general form for the dissipative coefficient $\Gamma (T,\varphi )=C_{\varphi }{T}^m/{\varphi }^{m-1}$ in the context of warm intermediate and logamediate inflationary universe models. We analyze these models in the weak and strong dissipative regimes. In the slow-roll approximation, we describe in great detail the characteristics of these models. In both regimes, we use recent data from the WMAP nine-year data and Planck data to constrain the parameters appearing in our models.

29 pages, 9 figures

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