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Centre for Mathematical Physics and Stochastics
Department of Mathematical Sciences, University of Aarhus

Funded by The Danish National Research Foundation

MPS-RR 1998-8
June 1998

NBI Matrix Model of IIB Superstrings


Jan Ambjørn

L. Chekhov


We investigate the NBI matrix model with the potential XA+1/X+(2eta+1)log X recently proposed to describe type IIB superstrings. In the proper normalization, using Virasoro constraints, we prove the equivalent of this model and the Kontsevich matrix model for eta eq 0 and find the explicit transition between these two models

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This paper has now been published in J. High Energy Phys. 1998, no. 12, Paper 7, 13 pp. (electronic)