most citedPrimordial black holes and induced gravitational waves from localized features in DBI inflation

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astro-ph.CO2026★ 1 cited

Primordial black holes and induced gravitational waves from localized features in DBI inflation

Narges Rashidi

We investigate primordial black hole formation in a Dirac-Born-Infeld inflationary framework in which the background dynamics are determined by explicit functional forms of the inf…

astro-ph.CO2026

Anisotropic Dirac-Born-Infeld Inflation with Non-Vacuum Initial States: Primordial Perturbations, Non-Gaussianity, and Observational Constraints

Narges Rashidi, Maryam Roushan

We investigate linear and nonlinear primordial perturbations in an anisotropic Dirac-Born-Infeld (DBI) inflationary model with a non-vacuum initial state. Using the Arnowitt-Deser-…