Complex-temperatures zeros of the partition function in spin-glass models

D. B. Saakyan^ab, E. E. Vogel<sup>b

a</sup> Yerevan Physics Institute
^b Universidad de La Frontera

Abstract: We propose a method for approximating the drnsity of partition zeros for real-dimensional spin-glass models. The method uses the complex-temperature data of the ferromagnetic model on the same lattice. We obtain the universality line in the complex-temperature space.

Received: 11.01.2000

DOI: 10.4213/tmf655

 English version: Theoretical and Mathematical Physics, 2000, 124:3, 1298–1304

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