Preprint
Sep 2026
Boundary Condition dependent Universality Classes on a Hyperbolic Lattice
We study the ferromagnetic Ising model on finite hyperbolic tessellations of Euclidean AdS$_2$ with open and wired boundary conditions. Because a finite fraction of spins remains at the boundary as the lattice grows, these conditions select distinct thermodynamic behaviours. In the $\{5,4\}$ tessellation, Monte-Carlo s...
P. Dey, Debasish Banerjee, Arnab Kundu et al.
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