National Institute of Technology, Miyakonojo College

output

20082024

most citedExact solution for wave scattering from black holes: Formulation

21 citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions

Showing hep-thShow all

4 papers · 1 filter

hep-th2022★ 5 cited

High-energy properties of the graviton scattering in quadratic gravity

Yugo Abe, Takeo Inami, Keisuke Izumi

We obtain the matter-graviton scattering amplitude in the gravitational theory of quadratic curvature, which has $R_{μν}^{2}$ term in the action. Unitarity bound is not satisfied bec…

hep-th2020★ 5 cited

Perturbative $S$ -matrix unitarity ( $S^{†} S = 1$ ) in $R_{μν}^{2}$ gravity

Yugo Abe, Takeo Inami, Keisuke Izumi

We show that in the quadratic curvature theory of gravity, or simply $R_{μν}^{2}$ gravity, the tree-level unitariy bound (tree unitarity) is violated in the UV region but an analog…

hep-th2018★ 8 cited

S-matrix Unitarity and Renormalizability in Higher Derivative Theories

Yugo Abe, Takeo Inami, Keisuke Izumi +2

We investigate the relation between the $S$ -matrix unitarity ( $S S^{†} = 1$ ) and the renormalizability, in theories with negative norm states. The relation has been confirmed in…

hep-th2017★ 7 cited

Matter scattering in $R_{μν}^{2}$ gravity and unitarity

Yugo Abe, Takeo Inami, Keisuke Izumi +1

We investigate the ultraviolet (UV) behavior of two-scalar elastic scattering with graviton exchanges in higher curvature gravity theory. In the Einstein gravity, matter scattering…

High-energy properties of the graviton scattering in quadratic gravity

Perturbative S-matrix unitarity (S†S=1) in Rμν2​ gravity

S-matrix Unitarity and Renormalizability in Higher Derivative Theories

Matter scattering in Rμν2​ gravity and unitarity

Perturbative $S$ -matrix unitarity ( $S^{†} S = 1$ ) in $R_{μν}^{2}$ gravity

Matter scattering in $R_{μν}^{2}$ gravity and unitarity