The multisite antiferromagnetic Ising spin model and the univeisality of Feingenbaum exponents
Ananikian N.S., Lusiniants R.R., Oganessyan K. A.
The Feingenbaum exponents a and 6 for the tree-site antiferromagnetic Ising spin model on Husimi tree are calculated. It is shown that the numerical values of these exponents for this real statistical system coincide with the famous universal Feigenbaum exponents with high accuracy. The quantitative describtion of the transition from order to chaos is also abtained.