Journal of Statistical Physics, Vol. 102, Nos. 34, 2001. p. 953-970.
The density of the Fisher zeroes, or zeroes of the partition function in the complex temperature plane, is determined for the Ising model in zero field as well as in a pure imaginary field iPI/2. Results are given for the simple-quartic, triangular, honeycomb, and the kagome lattices. It is found that the density diverges logarithmically at points along its loci in appropriate variables.