
TL;DR
This paper investigates Higgs-driven slow-roll inflation within a brane-world scenario, demonstrating that inflation occurs below the Planck scale, aligns with cosmological observations, and allows estimation of the Higgs self-coupling from perturbation amplitudes.
Contribution
It provides a detailed analysis of Higgs inflation on the brane, including solutions to motion equations and a method to determine the Higgs self-coupling from observational data.
Findings
Inflation occurs for field values below the 4D Planck scale.
Cosmological perturbations match observational data.
Higgs self-coupling can be estimated from perturbation amplitude.
Abstract
We analyze the slow-roll inflation mechanism in brane framework with a real Higgs field confined on the brane. We prove that inflation occur for field value below the 4-dimensional Planck scale and produce cosmological perturbations in accordance with observations. Through the amplitude of the scalar perturbation produced during inflation we could determine the self-coupling constant of the Higgs field which is not predicted by the fundamental theories. Also it was found the solutions to the motion equations on the brane.
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Taxonomy
TopicsCosmology and Gravitation Theories · Black Holes and Theoretical Physics · Galaxies: Formation, Evolution, Phenomena
