Solvable case of a spin-1 model in a magnetic field
作 者：
R. Shankar;
出版年：1986
页 码：365 - 366
出版社：Elsevier BV
摘 要：
A spin-1 model on a honeycomb lattice with - [beta]H = [Sigma](JSiSj+KS2iS2j)+i[lambda][Sigma]Si - [Delta][Sigma]S2i is solved when ek ln ch J = 1 and [gamma] = [pi]. There is an Ising transition at th J = [1-0.5 exp ([Delta])]/[radical sign]3.
