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Article Dans Une Revue Classical and Quantum Gravity Année : 1999

D-instantons and matrix models

Résumé

We discuss the Matrix Model aspect of configurations saturating a fixed number of fermionic zero modes. This number is independent of the rank of the gauge group and the instanton number. This will allow us to define a large-Nc limit of the embeddeding of K D-instantons in the Matrix Model and make contact with the leading term (the measure factor) of the supergravity computations of D-instanton effects. We show that the connection between these two approaches is done through the Abelian modes of the Matrix variables.
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hal-00003615 , version 1 (17-05-2024)

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P. Vanhove. D-instantons and matrix models. Classical and Quantum Gravity, 1999, 16, pp.3147-3164. ⟨hal-00003615⟩
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