- Abstract:
-
We consider the methods by which higher-level and non-simply laced gauge symmetries can be realized in free-field heterotic string theory. We show that all such realizations have a common underlying feature, namely a dimensional truncation of the charge lattice, and we identify such dimensional truncations with certain irregular embeddings of higher-level and non-simply laced gauge groups within level-one simply-laced gauge groups. This identification allows us to formulate a direct mapping b...
Expand abstract - Publisher copy:
- 10.1016/0550-3213(96)00406-3
-
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- Journal:
- Nucl.Phys. B
- Volume:
- 479
- Issue:
- 1-2
- Pages:
- 113-172
- Publication date:
- 1996-04-19
- DOI:
- ISSN:
-
0550-3213
- URN:
-
uuid:3b7f14fe-af90-4d2e-8f12-51971a55d059
- Source identifiers:
-
9271
- Local pid:
- pubs:9271
- Copyright date:
- 1996
- Notes:
-
69 pages, LaTeX, 5 figures (Encapsulated PostScript). Revised to
match published version
Journal article
Realizing Higher-Level Gauge Symmetries in String Theory: New Embeddings for String GUTs
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