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Inflation from a Tachyon Fluid?

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arxiv hep-th/0204070 v3 pith:FCJHPWVW submitted 2002-04-08 hep-th astro-phgr-qchep-ph

Inflation from a Tachyon Fluid?

classification hep-th astro-phgr-qchep-ph
keywords tachyoninflationanalyseconditionsdominatedearlyevolutionfield
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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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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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Constraining Quintessential Inflation with ACT: A Gauss-Bonnet Gateway

    astro-ph.CO 2026-04 conditional novelty 4.5

    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.

  2. Analytical calculation of the observational parameters for tachyon inflation

    gr-qc 2026-05 unverdicted novelty 4.0

    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.

  3. Constraining Quintessential Inflation with ACT: A Gauss-Bonnet Gateway

    astro-ph.CO 2026-04 unverdicted novelty 4.0

    Einstein-Gauss-Bonnet corrections with exponential or sech couplings shift quintessential inflation into the 1 sigma ACT region for r and ns, while tanh coupling remains disfavored.