杨景海教授，男，汉族，吉林省东丰县人，生于1960年2月，1982年毕业于四平师范学院物理教育专业．后留系任教，1985年入吉林大学物理系凝聚态物理专业攻读硕士学位，1989年6月毕业后赴美国BOWLINGGREEN州立大学物理和天文系作访问学者．现任四平师范学院物理系主任，兼任四平? Professor Yang Jinghai, male, Han nationality, Dongfeng County, Jilin Province, was born in February 1960, graduated from Siping Teachers College in 1982 majoring in physical education. After leaving to teach, in 1985 into the Department of Physics, Jilin University, condensed matter physics master’s degree, graduated in June 1989 to the United States BOWLINGGREEN State University Department of Physics and as a visiting scholar. Incumbent Siping Teachers College Physics Department, concurrently Siping?