Robust thermal quantum correlation and quantum phase transition of spin system on fractal latticesYu-Liang Xu, Xin Zhang, Zhong-Qiang Liu, Xiang-Mu Kong and Ting-Qi RenEur. Phys. J. B, 87 6 (2014) 132DOI: https://doi.org/10.1140/epjb/e2014-50033-5