Spacetime foam in twistor string theory

Details Spacetime foam in twistor string theory Spacetime foam in twistor string theory

2004-12-05

arxiv.org/abs/hep-th/0412044v2

Adv.Theor.Math.Phys.10:181-216,2006

Physics

High Energy Physics

High Energy Physics - Theory

36 pages, 5 figures. Very minor rewording

Scientific paper

We show how a Kahler spacetime foam in four dimensional conformal (super)gravity may be mapped to twistor spaces carrying the D1 brane charge of the B model topological string theory. The spacetime foam is obtained by blowing up an arbitrary number of points in $\C^2$ and can be interpreted as a sum over gravitational instantons. Some twistor spaces for blowups of $\C^2$ are known explicitly. In these cases we write down a meromorphic volume form and suggest a relation to a holomorphic superform on a corresponding super Calabi-Yau manifold.

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