A Solvable 2D Quantum Gravity Model with $\GAMMA >0$

Abstract

We consider a model of discretized 2d gravity interacting with Ising spins where phase boundaries are restricted to have minimal length and show analytically that the critical exponent $\gamma =1/3$ at the spin transition point. The model captures the numerically observed behavior of standard multiple Ising spins coupled to 2d gravity.

Latex, 9 pages, NBI-HE-94-02

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