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Superstrings and holonomy groups of Kahler manifolds

B McInnes

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Superstring theory entails a very close relationship between the linear connection of internal space and the gauge connection of the theory: the former is 'embedded' in the latter. The author interprets this to mean that the gauge bundle admits a sub-bundle which is isomorphic to the holonomy bundles of the linear connection. Thus it is important to have information on the holonomy group, not merely the holonomy algebra, which is controlled (via Iwamoto's theorem) by the Ricci form of a Kahler manifold. The author discusses Ricci-flat manifolds with holonomy group (Z3m*SU(3))/Z3 and explains the consequences for the grand unification sector of the theory.


PACS

11.25.-w Strings and branes

02.40.Tt Complex manifolds

02.40.Vh Global analysis and analysis on manifolds

MSC

81T30 String and superstring theories; other extended objects (e.g., branes) (See also 83E30)

32Q15 Kähler manifolds

32J27 Compact Kähler manifolds: generalizations, classification

Subjects

Mathematical physics

Particle physics and field theory

Dates

Issue 4 (April 1988)



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