Authors introduce new Hubble rate test functions for tachyon inflation, derive analytical ns and r using assumed slow-roll parameter dependence, and compare predictions to Planck data.
Aspects of Tachyonic Inflation with Exponential Potential
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abstract
We consider issues related to tachyonic inflation with exponential potential. We find exact solution of evolution equations in the slow roll limit in FRW cosmology. We also carry out similar analysis in case of Brane assisted tachyonic inflation. We investigate the phase space behavior of the system and show that the dust like solution is a late time attractor. The difficulties associated with reheating in the tachyonic model are also indicated.
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gr-qc 1years
2026 1verdicts
UNVERDICTED 1representative citing papers
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Analytical calculation of the observational parameters for tachyon inflation
Authors introduce new Hubble rate test functions for tachyon inflation, derive analytical ns and r using assumed slow-roll parameter dependence, and compare predictions to Planck data.