Grand Unification in G2

• Main Author: 張維庭
• Other Authors: 張達文
• Format: Others
• Language: en_US
• Published: 2005
• Online Access: http://ndltd.ncl.edu.tw/handle/99003972908156503870

碩士 === 國立清華大學 === 物理學系 === 93 === Contents 4 Abstract For a long time, physicists dream of ”ultimate theory” which unifies all kinds of interactions in nature. The past years, countless experiments confirm the elementary particle interactions which are described by SU(3) × SU(2) × U(1) gauge theory so-called ”Standard Model” (SM) nowadays. Even so the successes of SM, people run for the beauty of gauge theory with single group which includes SU(3) × SU(2) × U(1) as the unified theory i.e. E6, SU(5), SO(10),...... . In this thesis, we study the general group structure and through the way also the applications in physics associates with it. We investigate the exceptional group G2 unification theory, it turns out that it is difficult to get the SM spectrum, even so we still get many interesting results.