Modular Invariance and Discrete Torsion on Orbifolds

Feb, 1986
15 pages
Published in:
  • Nucl.Phys.B 273 (1986) 592-606
  • Published: 1986
Report number:
  • HUTP-86/A011

Citations per year

198619962006201620250102030
Abstract: (Elsevier)
We show that fermionic left-right level matching is necessary and sufficient to guarantee modular invariance to 1-loop order in orbifold compactification of heterotic string. We also discuss the possibility of turning on discrete torsion on orbifolds.
  • MODEL: STRING
  • SUPERSYMMETRY
  • FIELD THEORY: SPACE-TIME
  • FIELD THEORY: TORSION
  • FIELD THEORY: compactification
  • FERMION: REPRESENTATION
  • INVARIANCE: REPARAMETRIZATION
  • GAUGE FIELD THEORY: E(8) X E(8)
  • MATHEMATICAL METHODS: GEOMETRICAL