Impacts of non-geometric moduli on effective theory of 5D supergravity
Yutaka Sakamura, Yusuke Yamada
TL;DR
This paper examines how non-geometric moduli in 5D supergravity influence the 4D effective theory, focusing on the Kahler potential and quantum corrections, and presents a model stabilizing the extra dimension at a large size.
Contribution
It analyzes the effects of non-geometric moduli on the 4D effective theory and constructs a model with exponentially large extra dimension size.
Findings
Non-geometric moduli affect the structure of the Kahler potential.
Quantum corrections play a significant role in the effective theory.
A model achieving large extra dimension size is demonstrated.
Abstract
5D supergravity generically has non-geometric moduli other than the radion that belong to 5D vector multiplets. We summarize the impacts of such moduli on 4D effective theory of 5D supergravity on S^1/Z_2. We mainly discuss the structure of the effective Kahler potential including the one-loop quantum corrections. As an illustrative example, we construct a model in which the size of the extra dimension is stabilized at an exponentially large value compared to the Planck length, which is similar to the LARGE volume scenario in string theory.
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