Shrock, Robert - In: Physica A: Statistical Mechanics and its Applications 281 (2000) 1, pp. 221-232
The q-state Potts antiferromagnet exhibits nonzero ground state entropy S0({G},q)≠0 for sufficiently large q on a given n-vertex lattice Λ or graph G and its n→∞ limit {G}. We present exact calculations of the zero-temperature partition function Z(G,q,T=0) and W({G},q), where S0=kBlnW,...
