The Ising Model on Random Lattices in Arbitrary Dimensions

Abstract

We study analytically the Ising model coupled to random lattices in dimension three and higher. The family of random lattices we use is generated by the large N limit of a colored tensor model generalizing the two-matrix model for Ising spins on random surfaces. We show that, in the continuum limit, the spin system does not exhibit a phase transition at finite temperature, in agreement with numerical investigations. Furthermore we outline a general method to study critical behavior in colored tensor models.

13 pages, v2 reference added, misprints corrected

References in corpus (3)

• The 1/N expansion of colored tensor models
• Lost in Translation: Topological Singularities in Group Field Theory
• Conformal Random Geometry

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