We found a match
Your institution may have rights to this item. Sign in to continue.
- Title
Hierarchical structure of physical Yukawa couplings from matter field Kähler metric.
- Authors
Ishiguro, Keiya; Kobayashi, Tatsuo; Otsuka, Hajime
- Abstract
We study the impacts of matter field Kähler metric on physical Yukawa couplings in string compactifications. Since the Kähler metric is non-trivial in general, the kinetic mixing of matter fields opens a new avenue for realizing a hierarchical structure of physical Yukawa couplings, even when holomorphic Yukawa couplings have the trivial structure. The hierarchical Yukawa couplings are demonstrated by couplings of pure untwisted modes on toroidal orbifolds and their resolutions in the context of heterotic string theory with standard embedding. Also, we study the hierarchical couplings among untwisted and twisted modes on resolved orbifolds.
- Subjects
STRING theory; ORBIFOLDS
- Publication
Journal of High Energy Physics, 2021, Vol 2021, Issue 7, p1
- ISSN
1126-6708
- Publication type
Article
- DOI
10.1007/JHEP07(2021)064