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Warm Gauge-Flation with General Dissipative Coefficient

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Abstract

In this work, we study the effects of generalized dissipative coefficient on the slow-roll inflation driven by non-Abelian gauge field minimally coupled to gravity. The dynamics of warm intermediate and logamediate inflationary models during weak and strong dissipative regimes is analyzed. In both cases, we explore effective scalar potential, slow-roll parameters, scalar and tensor power spectra, scalar spectral index and tensor to scalar ratio under slow-roll conditions. We conclude that our gauge-flationary model with generalized dissipative coefficient remains consistent with the recent data for dissipative parameter m = 3 and m = 1 for weak and strong dissipative eras, respectively.

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Authors and Affiliations

  1. Department of Mathematics, University of the Punjab, Quaid-e-Azam Campus, Lahore, 54590, Pakistan

    M. Sharif, Rabia Saleem & Sidra Mohsaneen

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  1. M. Sharif
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  2. Rabia Saleem
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  3. Sidra Mohsaneen
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Correspondence to M. Sharif.

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Sharif, M., Saleem, R. & Mohsaneen, S. Warm Gauge-Flation with General Dissipative Coefficient. Int J Theor Phys 55, 3260–3273 (2016). https://doi.org/10.1007/s10773-016-2956-4

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  • DOI: https://doi.org/10.1007/s10773-016-2956-4

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