An Introduction to Non-Abelian Discrete Symmetries for by Hajime Ishimori,Tatsuo Kobayashi,Hiroshi Ohki,Hiroshi

By Hajime Ishimori,Tatsuo Kobayashi,Hiroshi Ohki,Hiroshi Okada,Yusuke Shimizu,Morimitsu Tanimoto

 

These lecture notes offer an educational evaluate of non-Abelian discrete teams and express a few functions to matters in physics the place discrete symmetries represent an immense precept for version construction in particle physics.  While Abelian discrete symmetries are usually imposed with a view to regulate couplings for particle physics - specifically version development past the traditional version -  non-Abelian discrete symmetries were utilized to appreciate the three-generation taste constitution specifically.

 Indeed, non-Abelian discrete symmetries are thought of to be the main beautiful selection for the flavour area: version developers have attempted to derive experimental values of quark and lepton plenty, and combining angles by way of assuming non-Abelian discrete style symmetries of quarks and leptons, but, lepton blending has already been intensively mentioned during this context, to boot. the potential origins of the non-Abelian discrete symmetry for flavors is one other subject of curiosity, as they could come up from an underlying conception - e.g. the string thought or compactification through orbifolding – thereby supplying a potential bridge among the underlying conception and the corresponding low-energy quarter of particle physics.

 This textual content explicitly introduces and reports the group-theoretical points of many concrete teams and exhibits how one can derive conjugacy periods, characters, representations, and tensor items for those teams (with a finite quantity) whilst algebraic family members are given, thereby permitting readers to use this to different teams of curiosity.

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