Gauge origin of discrete flavor symmetries in heterotic orbifolds
We show that non-Abelian discrete symmetries in orbifold string models have a gauge origin. This can be understood when looking at the vicinity of a symmetry enhanced point in moduli space. At such an enhanced point, orbifold fixed points are characterized by an enhanced gauge symmetry. This gauge s...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2014-09-01
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| Series: | Physics Letters B |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S0370269314005607 |
| _version_ | 1818556691181993984 |
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| author | Florian Beye Tatsuo Kobayashi Shogo Kuwakino |
| author_facet | Florian Beye Tatsuo Kobayashi Shogo Kuwakino |
| author_sort | Florian Beye |
| collection | DOAJ |
| description | We show that non-Abelian discrete symmetries in orbifold string models have a gauge origin. This can be understood when looking at the vicinity of a symmetry enhanced point in moduli space. At such an enhanced point, orbifold fixed points are characterized by an enhanced gauge symmetry. This gauge symmetry can be broken to a discrete subgroup by a nontrivial vacuum expectation value of the Kähler modulus T. Using this mechanism it is shown that the Δ(54) non-Abelian discrete symmetry group originates from a SU(3) gauge symmetry, whereas the D4 symmetry group is obtained from a SU(2) gauge symmetry. |
| first_indexed | 2024-12-13T23:50:31Z |
| format | Article |
| id | doaj.art-0035445a8d4e4495b430fab04054eef3 |
| institution | Directory Open Access Journal |
| issn | 0370-2693 1873-2445 |
| language | English |
| last_indexed | 2024-12-13T23:50:31Z |
| publishDate | 2014-09-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Physics Letters B |
| spelling | doaj.art-0035445a8d4e4495b430fab04054eef32022-12-21T23:26:47ZengElsevierPhysics Letters B0370-26931873-24452014-09-01736C43343710.1016/j.physletb.2014.07.058Gauge origin of discrete flavor symmetries in heterotic orbifoldsFlorian Beye0Tatsuo Kobayashi1Shogo Kuwakino2Department of Physics, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, JapanDepartment of Physics, Hokkaido University, Sapporo 060-0810, JapanDepartment of Physics, Chung-Yuan Christian University, 200 Chung-Pei Rd., Chung-Li 320, TaiwanWe show that non-Abelian discrete symmetries in orbifold string models have a gauge origin. This can be understood when looking at the vicinity of a symmetry enhanced point in moduli space. At such an enhanced point, orbifold fixed points are characterized by an enhanced gauge symmetry. This gauge symmetry can be broken to a discrete subgroup by a nontrivial vacuum expectation value of the Kähler modulus T. Using this mechanism it is shown that the Δ(54) non-Abelian discrete symmetry group originates from a SU(3) gauge symmetry, whereas the D4 symmetry group is obtained from a SU(2) gauge symmetry.http://www.sciencedirect.com/science/article/pii/S0370269314005607 |
| spellingShingle | Florian Beye Tatsuo Kobayashi Shogo Kuwakino Gauge origin of discrete flavor symmetries in heterotic orbifolds Physics Letters B |
| title | Gauge origin of discrete flavor symmetries in heterotic orbifolds |
| title_full | Gauge origin of discrete flavor symmetries in heterotic orbifolds |
| title_fullStr | Gauge origin of discrete flavor symmetries in heterotic orbifolds |
| title_full_unstemmed | Gauge origin of discrete flavor symmetries in heterotic orbifolds |
| title_short | Gauge origin of discrete flavor symmetries in heterotic orbifolds |
| title_sort | gauge origin of discrete flavor symmetries in heterotic orbifolds |
| url | http://www.sciencedirect.com/science/article/pii/S0370269314005607 |
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