Zobrazeno 1 - 10
of 222
pro vyhledávání: '"Kawamura, Yoshiharu"'
Autor:
Kawamura, Yoshiharu
We explore a wider theoretical framework that has quantum field theory built-in, taking the fact that quantum mechanics is reconstructed from quantum field theory as a hint. We formulate a quantum theory with an embedded structure by introducing func
Externí odkaz:
http://arxiv.org/abs/2411.08276
Autor:
Kawai, Toshiki, Kawamura, Yoshiharu
We investigate whether inflation in the early universe can be induced by an extra component of a five-dimensional ${\rm U(1)}$ gauge field in the Randall-Sundrum warped spacetime or not. We show that an effective potential obtained by quantum correct
Externí odkaz:
http://arxiv.org/abs/2403.01705
Autor:
Kawamura, Yoshiharu
Publikováno v:
Prog Theor Exp Phys (2023)
We study the flavor structure of quarks in the standard model from a viewpoint of a canonical type of Yukawa interactions and an emergence of kinetic terms. A realistic structure can be generated based on the emergence proposal that quark kinetic ter
Externí odkaz:
http://arxiv.org/abs/2306.01281
We study the existence of diagonal representatives in each equivalence class of representation matrices of boundary conditions in $SU(n)$ or $U(n)$ gauge theories compactified on the orbifolds $T^2/{\mathbb Z}_N$ ($N = 2, 3, 4, 6$). We suppose that t
Externí odkaz:
http://arxiv.org/abs/2211.00877
We study diagonal representatives of boundary condition matrices on the orbifolds $S^1/Z_2$ and $T^2/Z_m$ ($m=2, 3, 4, 6$). We give an alternative proof of the existence of diagonal representatives in each equivalent class of boundary condition matri
Externí odkaz:
http://arxiv.org/abs/2009.10958
Autor:
Kawamura, Yoshiharu
We reconsider a generation of up-type quark mass hierarchy in the standard model and clarify how a mechanism works to realize the hierarchy without severe fine tuning.
Comment: 9 pages
Comment: 9 pages
Externí odkaz:
http://arxiv.org/abs/2004.11564
Autor:
Kawamura, Yoshiharu
Publikováno v:
Prog Theor Exp Phys (2020)
We propose a bottom-up approach that a structure of a high-energy physics is explored by accumulating existence proofs and/or no-go theorems in the standard model or its extension. As an illustration, we study fermion mass hierarchies based on an ext
Externí odkaz:
http://arxiv.org/abs/1909.03623
Autor:
Kawamura, Yoshiharu
Publikováno v:
Prog Theor Exp Phys (2019)
We explore a flavor structure of quarks in the standard model under the assumption that flavor symmetries exist in a theory beyond the standard model, and chase after their properties, using a bottom-up approach. We reacknowledge that a flavor-symmet
Externí odkaz:
http://arxiv.org/abs/1904.01158
Autor:
Kawamura, Yoshiharu
Publikováno v:
Prog Theor Exp Phys (2019)
We study the origin of fermion mass hierarchy and flavor mixing in the standard model, paying attention to flavor symmetries and fermion kinetic terms. There is a possibility that the hierarchical flavor structure of quarks and charged leptons origin
Externí odkaz:
http://arxiv.org/abs/1808.06315
Publikováno v:
Prog Theor Exp Phys (2018)
We study the origin of electroweak symmetry under the assumption that $SU(4)_{\rm C} \times SU(2)_{\rm L} \times SU(2)_{\rm R}$ is realized on a five-dimensional space-time. The Pati-Salam type gauge symmetry is reduced to $SU(3)_{\rm C} \times SU(2)
Externí odkaz:
http://arxiv.org/abs/1804.08836