Phase diagram and exotic spin-spin correlations of anisotropic Ising model on the Sierpiński gasket Meng Wang, Shi-Ju Ran, Tao Liu, Yang Zhao, Qing-Rong Zheng and Gang Su Eur. Phys. J. B, 89 2 (2016) 27 Published online: 01 February 2016 DOI: 10.1140/epjb/e2015-60745-5