String Models with Twisted Currents
Rafael I. Nepomechie, Physical Review D, 34, 1129-1135, 1986. "Copyright © 1986 by the American Physical Society.”
Link to the online abstract: http://link.aps.org/doi/10.1103/PhysRevD.34.1129
We consider bosonic string models with non-Abelian gauge excitations, whose Lie-algebra-valued currents are ‘‘twisted’’ by nontrivial automorphisms. The twisted models have the same critical dimension as the corresponding untwisted models; however, their respective spectra are radically different.