Killing scalar of non-linear sigma models on G/H realizing the classical exchange algebra
arXiv:1405.4638 · doi:10.1016/j.physletb.2014.08.048
Abstract
The Poisson brackets for non-linear sigma models on G/H are set up on the light-like plane. A quantity which transforms irreducibly by the Killing vectors, called Killing scalar, is constructed in an arbitrary representation of G. It is shown to satisfy the classical exchange algebra.
11 pages, v2: version shortened removing the review part