Collaborators Chih-Chun Chien简志钧 UC Merced Hao guo郭吴, Southest u东南大学 This talk is based on the following papers H Guo, C.C.Chien, YH, J. Low Temp. Phys. 172, 5(2013) H Guo, C.C. Chien, YH, K Levin, Int J. Mod. Phys. B, 27, 1330010(2013) YH. H. Guo. arXiv 1505: 04080Collaborators ◼ Chih-Chun Chien 简志钧 UC Merced ◼ Hao Guo 郭昊，Southest U东南大学 This talk is based on the following papers H. Guo, C.C.Chien, YH, J. Low Temp. Phys. 172, 5 (2013) H. Guo, C.C.Chien, YH, K. Levin, Int. J. Mod. Phys. B,27,1330010 (2013) YH, H. Guo, arXiv: 1505:04080