Gauge origin of discrete flavor symmetries in heterotic orbifolds


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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/57334

Title:	Gauge origin of discrete flavor symmetries in heterotic orbifolds
Authors:	Beye, Florian Browse this author
	Kobayashi, Tatsuo Browse this author →KAKEN DB
	Kuwakino, Shogo Browse this author
Issue Date:	7-Sep-2014
Publisher:	Elsevier
Journal Title:	Physics Letters B
Volume:	736
Start Page:	433
End Page:	437
Publisher DOI:	10.1016/j.physletb.2014.07.058
Abstract:	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 Kahler modulus T. Using this mechanism it is shown that the Delta (54) non-Abelian discrete symmetry group originates from a SU(3) gauge symmetry, whereas the D-4 symmetry group is obtained from a SU(2) gauge symmetry.
Rights:	(C) 2014 The Authors. Published by Elsevier B.V.
Rights:	http://creativecommons.org/licenses/by/3.0/
Type:	article
URI:	http://hdl.handle.net/2115/57334
Appears in Collections:	理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 小林達夫

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