7 papers
Chiral gravitational waves from domain walls in Nieh-Yan gravity
Jiro Soda, Maki Takeuchi
We study the scattering of gravitational waves by axion domain walls in teleparallel gravity with the Nieh-Yan term. Since a domain wall causes the parity violation, the transmitte…
String geometry phenomenology
Matsuo Sato, Maki Takeuchi
Recently, a potential for string backgrounds is obtained from string geometry theory, which is a candidate for the non-perturbative formulation of string theory. By substituting a…
DBI scalar field cosmology in -DBI gravity
Nahomi Kan, Kiyoshi Shiraishi, Maki Takeuchi +1
We study inflationary characterictics of the universe in -DBI gravity, driven by DBI-deformed scalar fields. In this paper, we consider the evolution of the classical universe f…
Quantum BPS Cosmology
Nahomi Kan, Kiyoshi Shiraishi, Maki Takeuchi +1
There has been much discussion about the initial conditions of the early Universe in the context of quantum theory. In this paper, we construct the wave function and probability di…
Computation of the index on orbifold from the Atiyah-Segal-Singer fixed point theorem
Shoto Aoki, Maki Takeuchi
We investigate the independent chiral zero modes on the orbifolds from the Atiyah-Segal-Singer fixed point theorem. The required information for this calculation includes the fixed…
Light fermion masses in partially deconstructed models
Nahomi Kan, Kiyoshi Shiraishi, Maki Takeuchi
Considering a theory space consisting of a large number of five-dimensional Dirac fermion field theories including background abelian gauge fields, we can construct a theory simila…
Swampland Bounds on Magnetized Extra Dimensions
Yuta Hamada, Maki Takeuchi
We consider a six-dimensional gauge theory compactified on two-dimensional manifolds. The number of chiral fermions is determined by the flux quantization number on the two-…