D-Instantons and asymptotic geometries

E. Bergshoeff; K. Behrndt

D-Instantons and asymptotic geometries

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arxiv hep-th/9803090 v3 pith:54Z76BHQ submitted 1998-03-11 hep-th

E. Bergshoeff , K. Behrndt This is my paper

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keywords d-instantongeometrylimitnear-horizonalternativeanti-deappearingapproach

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The large N limit of D3-branes is expected to correspond to a superconformal field theory living on the boundary of the anti-de Sitter space appearing in the near-horizon geometry. Dualizing the D3-brane to a D-instanton, we show that this limit is equivalent to a type IIB S-duality. In both cases one effectively reaches the near-horizon geometry. This provides an alternative approach to an earlier derivation of the same result that makes use of the properties of a gravitational wave instead of the D-instanton.

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Instanton Moduli, Topology and the Bosonic/Heterotic String Origins
hep-th 2025-07 conditional novelty 6.0 of 10

New BPS NS(-1)-branes in N=1, D=4 supergravity are supported by SU(2)xSU(2) instantons; the string-frame topology changes with instanton moduli while the 3-form charge stays fixed.

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