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Heterotic strings on homogeneous spaces
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DOI：10.1002/prop.200510250.png)
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摘要
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We construct heterotic string backgrounds corresponding to families of homogeneous spaces as exact conformal field theories. They contain left cosets of compact groups by their maximal tori supported by NS-NS 2-forms and gauge field fluxes. We give the general formalism and modular-invariant partition functions, then we consider some examples such as SU(2)/U( 1) similar to S-2 (already described in a previous paper) and the SU(3)/U( 1)2 flag space. As an application we construct new supersymmetric string vacua with magnetic fluxes and a linear dilaton. (c) 2005 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Keyword:
superstring vacua
conformal field models in string theory
p-branes
期刊
F
IF:
7.8
论文数:
2.0K
被引数:
3.6K
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PHYSICS LETTERS B
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PHYSICS LETTERS BIF4.5
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