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Warm Inflation in f(mathcal{G}) Theory of Gravity

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arxiv 1507.00905 v2 pith:6QZCWRBM submitted 2015-07-01 gr-qc

Warm Inflation in f(mathcal{G}) Theory of Gravity

classification gr-qc
keywords gravitymathcalmodelparametersinflationscalarslow-rolltheory
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The aim of this paper is to explore warm inflation in the background of $f(\mathcal{G})$ theory of gravity using scalar fields for the FRW universe model. We construct the field equations under slow-roll approximations and evaluate the slow-roll parameters, scalar and tensor power spectra and their corresponding spectral indices using viable power-law model. These parameters are evaluated for a constant as well as variable dissipation factor during intermediate and logamediate inflationary epochs. We also find the number of e-folds and tensor-scalar ratio for each case. The graphical behavior of these parameters proves that the isotropic model in $f(\mathcal{G})$ gravity is compatible with observational Planck data.

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