Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
1993-07-27
J.Phys. A27 (1994) 2965-2983
Physics
High Energy Physics
High Energy Physics - Lattice
25 pages + 6 figures not included. Latex file. FTUAM 93-27
Scientific paper
10.1088/0305-4470/27/9/013
We study, using dimer and Monte Carlo approaches, the critical properties and finite size effects of the Ising model on honeycomb lattices folded on the tetrahedron. We show that the main critical exponents are not affected by the presence of conical singularities. The finite size scaling of the position of the maxima of the specific heat does not match, however, with the scaling of the correlation length, and the thermodynamic limit is attained faster on the spherical surface than in corresponding lattices on the torus.
Diego Oscar
Gonzalez Jesús J.
Salas Jesus
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