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In this work, we studied slow-roll Hilltop inflation in the framework of recently proposed \(f(\phi , T)\) gravity where the non-minimal coupling of the scalar field \(\phi \) with the trace of energy-momentum tensor T has been introduced in the Einstein-Hilbert action. The scalar spectral index and tensor-to-scalar ratio are calculated and it is found that Hilltop inflationary models in \(f(\phi , T)\) gravity are viable when seen in the light of latest Planck data.

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Slow-Roll Hilltop Inflation in  \(f(\phi ,T)\) Gravity

  • 会议论文

  • 发表日期：

    2025年

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  • Biswajit Deb,
  • Atri Deshamukhya

摘要

In this work, we studied slow-roll Hilltop inflation in the framework of recently proposed \(f(\phi , T)\) gravity where the non-minimal coupling of the scalar field \(\phi \) with the trace of energy-momentum tensor T has been introduced in the Einstein-Hilbert action. The scalar spectral index and tensor-to-scalar ratio are calculated and it is found that Hilltop inflationary models in \(f(\phi , T)\) gravity are viable when seen in the light of latest Planck data.