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Yang-Lee zeros of the Q-state Potts model on recursive lattices
R G Ghulghazaryan1, N S Ananikian, P M A Sloot
1Department of Theoretical Physics, Yerevan Physics Institute, Alikhanian Brothers 2, 375036 Yerevan, Armenia.
Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|November 22, 2002
Abstract:
The Yang-Lee zeros of the Q-state Potts model on recursive lattices are studied for noninteger values of Q. Considering one-dimensional (1D) lattice as a Bethe lattice with coordination number equal to 2, the location of Yang-Lee zeros of 1D ferromagnetic and antiferromagnetic Potts models is completely analyzed in terms of neutral periodical points. Three different regimes for Yang-Lee zeros are found for Q>1 and 0