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advanced_tools:wigners_little_groups [2017/09/22 14:06] jakobadmin [History] |
advanced_tools:wigners_little_groups [2017/09/22 15:37] jakobadmin [Student] |
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+ | <blockquote>The little group is a subgroup of the Poincare | ||
+ | group which leaves the four-momentum of a | ||
+ | given particle invariant. The little groups for | ||
+ | massive and massless particles are locally | ||
+ | isomorphic to the three-dimensional rotation | ||
+ | group and the two-dimensional euclidean group | ||
+ | respectively. <cite>GAUGE TRANSFORMATIONS AS LORENTZ-BOOSTED ROTATIONS by D. HAN et. al.</cite></blockquote> | ||
A good explanation can be found at page 8 in https://indico.cern.ch/event/544849/contributions/2214530/attachments/1301154/1942518/yskim.pdf | A good explanation can be found at page 8 in https://indico.cern.ch/event/544849/contributions/2214530/attachments/1301154/1942518/yskim.pdf |