Radiative correction on moduli stabilization in modular flavor symmetric models

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説明

We study the radiative corrections to the stabilization of the complex structure modulus $τ$ in modular flavor symmetric models. We discuss the possibility of obtaining the vacuum expectation value of $τ$ in the vicinity of the fixed point where residual symmetries remain unbroken. As concrete examples, we analyze the 1-loop Coleman-Weinberg potential in the $A_4$ modular flavor models. We show that the 1-loop correction may lead to the slight deviation from the tree level result, which may realize a phenomenologically preferred value of the complex structure modulus $τ$ particularly when the number of species contributing to the 1-loop correction is large enough.

26 pages, 12 figures

収録刊行物

  • Physical Review D

    Physical Review D 108 (11), 2023-12-29

    American Physical Society (APS)

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