Warm Vector Inflation

Abstract

In this paper we introduce the "warm vector inflation" scenario. In warm inflation scenario radiation is produced during the inflation epoch and reheating is avoided. Slow-roll and perturbation parameters of this model are presented. We develop our model using intermediate inflation model. In this case, the model is compatible with observational data. We also study the model using another exact cosmological solution, named logamediate scenario. We present slow-roll and Hubble parameters, power spectrum and tensor-scalar ratio in terms of inflaton. The model is compatible with WMAP7 and Planck observational data.

23 pages, 8 figures. Accepted for publication in PLB (2013)

References in corpus (9)

• Dark energy in modified Gauss-Bonnet gravity: late-time acceleration and the hierarchy problem
• Vector Inflation
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• Warm inflation with non-comoving scalar field and radiation fluid
• Inflationary Weak Anisotropic Model with General Dissipation Coefficient
• Slow-roll inflation from massive vector fields non-minimally coupled to gravity
• Perturbation Spectra of Warm Inflation in $f(Q,T)$ Gravity
• Rejuvenating the hope of a swampland consistent inflated multiverse with tachyonic inflation in the high energy RS-II Braneworld
• Inflation driven by massive vector fields with derivative self-interactions
• Cosmological application of the Maxwell gravity
• Inflationary Solution of Hamilton Jacobi Equations during Weak Dissipative Regime
• Implications of single field inflation in general cosmological scenarios on the nature of dark energy given the swampland conjectures
• Modified Friedmann Equations from Maxwell-Weyl Gauge Theory
• Torsion-Induced Modification to Friedmann Equations in $AdS{L}_4$ Gauged Gravity
• Power-law Bianchi type I inflation with multiple vector fields