Modular Invariance and Discrete Torsion on Orbifolds
Feb, 198615 pages
Published in:
- Nucl.Phys.B 273 (1986) 592-606
- Published: 1986
Report number:
- HUTP-86/A011
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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
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