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Loop-corrected compactifications of the heterotic string with line bundles

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We consider the E 8 × E 8 heterotic string theory compactified on Calabi-Yau manifolds with bundles containing abelian factors in their structure group. Generic low energy consequences such as the generalised Green-Schwarz mechanism for the multiple anomalous abelian gauge groups are studied. We als...

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Hauptverfasser: Blumenhagen, Ralph (VerfasserIn) , Honecker, Gabriele (VerfasserIn) , Weigand, Timo (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 13 June 2005
In: Journal of high energy physics
Year: 2005, Jahrgang: 2005, Heft: 06
ISSN:1029-8479
DOI:10.1088/1126-6708/2005/06/020
Online-Zugang:Verlag, kostenfrei, Volltext: http://dx.doi.org/10.1088/1126-6708/2005/06/020
Verlag, kostenfrei, Volltext: http://stacks.iop.org/1126-6708/2005/i=06/a=020
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Verfasserangaben:Ralph Blumenhagen, Gabriele Honecker and Timo Weigand
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Zusammenfassung:We consider the E 8 × E 8 heterotic string theory compactified on Calabi-Yau manifolds with bundles containing abelian factors in their structure group. Generic low energy consequences such as the generalised Green-Schwarz mechanism for the multiple anomalous abelian gauge groups are studied. We also compute the holomorphic gauge couplings and induced Fayet-Iliopoulos terms up to one-loop order, where the latter are interpreted as stringy one-loop corrections to the Donaldson-Uhlenbeck-Yau condition. Such models generically have frozen combinations of Kähler and dilaton moduli. We study concrete bundles with structure group SU( N ) × U(1) M yielding quasi-realistic gauge groups with chiral matter given by certain bundle cohomology classes. We also provide a number of explicit tadpole free examples of bundles defined by exact sequences of sums of line bundles over complete intersection Calabi-Yau spaces. This includes one example with precisely the Standard Model gauge symmetry.
Beschreibung:Gesehen am 09.01.2018
Beschreibung:Online Resource
ISSN:1029-8479
DOI:10.1088/1126-6708/2005/06/020

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