Exponential and sech Gauss–Bonnet couplings restore ACT-compatible ns and r for quintessential inflation, while tanh fails for a structural sign reason; reheating remains BBN-safe.
Inflation from a Tachyon Fluid?
2 Pith papers cite this work, alongside 276 external citations. Polarity classification is still indexing.
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abstract
Motivated by recent works of Sen and Gibbons, we study the evolution of a flat and homogeneous universe dominated by tachyon matter. In particular, we analyse the necessary conditions for inflation in the early roll of a single tachyon field.
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2026 2roles
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unclear 1representative citing papers
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.
citing papers explorer
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Constraining Quintessential Inflation with ACT: A Gauss-Bonnet Gateway
Exponential and sech Gauss–Bonnet couplings restore ACT-compatible ns and r for quintessential inflation, while tanh fails for a structural sign reason; reheating remains BBN-safe.
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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.