Autor: Pronob K. Mitter

Soon after the discovery of quantum mechanics, group theoretical methods were used extensively in order to exploit rotational symmetry and classify atomic spectra. And until recently it was thought t …

The 1996 NATO Advanced Study Institute (ASI) followed the international tradi- tion of the schools held in Cargese in 1976, 1979, 1983, 1987 and 1991. Impressive progress in quantum field theory had …