A Solvable 2D Quantum Gravity Model with >0
J. Ambjorn, B. Durhuus, T. Jonsson
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 γ= 1/3 at the spin transition point. The model captures the numerically observed behavior of standard multiple Ising spins coupled to 2d gravity.
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