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arXiv · 2405.03717

Yukawa coupling and one loop inflation in the light of CMB

Anupama B·P K Suresh
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Abstract

The one loop inflation stemming from the superstring theory and associated Yukawa coupling arising from supersymmetric interactions is examined with CMB. The Yukawa coupling can exist beyond standard model particle physics sector. The tensor-to-scalar ratio of the loop inflation is found consistent with the recent CMB results for the Yukawa coupling from cosmology. The alternative constraint on the Yukawa coupling from loop inflation may play a crucial role in validating inflationary model originating from supersymmetry and string theory. The outcomes of the study may be helpful in the phenomenological realisation of string theory.

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Anupama B, P K Suresh. 2026-09-22. Yukawa coupling and one loop inflation in the light of CMB. https://doi.org/10.1007/s12648-026-04220-3

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