An Improved Heterogeneous Mean-Field Theory for the Ising Model on Complex Networks*

Feng Huang,Han-Shuang Chen

Fig. 4 (Color online) The critical temperature $T_c$ in random networks with a bimodal degree distribution $P(k) =({1}/{2})\delta ( {k - \langle k \rangle - \Delta} ) + ({1}/{2})\delta ( {k - \langle k \rangle + \Delta } )$ with $\langle k\rangle=10$.