Calculation of nonperturbative terms in open string models

  • Blum J
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Nonperturbative corrections in type II string theory corresponding to Riemann surfaces with one boundary are calculated in several noncompact geometries of desingularized orbifolds. One of these models has a complicated phase structure which is explored. A general condition for integrality of the numerical invariants is discussed. © 2002 Elsevier Science B.V. All rights reserved.

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  • Julie D. Blum

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