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hep-th2021
UV sensitivity of Casimir energy
Yu Asai, Yutaka Sakamura
We quantitatively estimate the effect of the UV physics on the Casimir energy in a five-dimensional (5D) model on . If the cutoff scale of the 5D theory is not far from th…
hep-th2020
Fate of domain walls in 5D gravitational theory with compact extra dimension
Hiroyuki Abe, Shuntaro Aoki, Yu Asai +1
We pursue the time evolution of the domain walls in 5D gravitational theory with a compact extra dimension by numerical calculation. In order to avoid a kink-antikink pair that dec…
hep-th2019
Relaxation of hierarchy in higher-dimensional Starobinsky model
Yu Asai
Starobinsky model, which has a Ricci scalar squared term in its action, is one of the most promising inflation models from the viewpoint of Cosmic Microwave Background obse…