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Comment on the Generation Number in Orbifold Compactifications | | Jens Erler
; Albrecht Klemm
; | | Date: |
31 Jul 1992 | | Journal: | Commun. Math. Phys. 153 (1993) 579 | | Subject: | hep-th | | Abstract: | There has been some confusion concerning the number of $(1,1)$-forms in orbifold compactifications of the heterotic string in numerous publications. In this note we point out the relevance of the underlying torus lattice on this number. We answer the question when different lattices mimic the same physics and when this is not the case. As a byproduct we classify all symmetric $Z_N$-orbifolds with $(2,2)$ world sheet supersymmetry obtaining also some new ones. | | Source: | arXiv, hep-th/9207111 | | Services: | Forum | Review | PDF | Favorites | |
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