Space-Time Foam From Non-Commutative Instantons

Details Space-Time Foam From Non-Commutative Instantons Space-Time Foam From Non-Commutative Instantons

1999-12-03

arxiv.org/abs/hep-th/9912019v3

Commun.Math.Phys. 249 (2004) 431-448

Physics

High Energy Physics

High Energy Physics - Theory

harvmac, 22 pp; v.2, refs added, a section added

Scientific paper

10.1007/s00220-004-1127-2

We show that a U(1) instanton on non-commutative R^4 corresponds to a supersymmetric non-singular U(1) gauge field on a commutative Kahler manifold X which is a blowup of C^2 at a finite number of points. For instanton charge k the manifold X can be viewed as a space-time foam. A direct connection with integrable systems of Calogero-Moser type is established. We also make some comments on the non-abelian case.

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