Gauge Invariant Matrix Model for the Â-D-Ê Closed Strings

Abstract

The models of triangulated random surfaces embedded in (extended) Dynkin diagrams are formulated as a gauge-invariant matrix model of Weingarten type. The double scaling limit of this model is described by a collective field theory with nonpolynomial interaction. The propagator in this field theory is essentially two-loop correlator in the corresponding string theory.

9 pages, SPhT/92-096

References in corpus (4)

• Multicritical Phases of the O(n) Model on a Random Lattice
• Strings with Discrete Target Space
• 1/N Expansion and Particle Spectrum in Induced QCD
• The Weingarten Model a la Polyakov

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