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Matrix string models for exact (2, 2) string theories in RR backgrounds

par Bonelli, Giulio
Référence Nuclear physics. B, 649, 1-2, page (130-142)
Publication Publié, 2003-01

Article révisé par les pairs

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Résumé :

We formulate matrix string models on a class of exact string backgrounds with non-constant RR-flux parameterized by a holomorphic prepotential function and with manifest (2, 2) supersymmetry. This lifts these string theories to M-theory exposing the non-perturbative string interaction which is studied by generalizing the instanton asymptotic expansion, well established in the flat background case, to this more general case. We obtain also a companion matrix model with four manifest supersymmetries in eleven dimensions. © 2002 Elsevier Science B.V. All rights reserved.