报告时间：10月8日下午3点
报告地点：近代物理系108会议室
报告人：德国汉堡大学 haibo ruan博士
报告题目： degenerate hamiltonian and topological resolution
报告摘要：we review briefly the development of time crystals and give a detailed account of the classical time crystal which differs from the quantum proposal significantly and whose quantum mechanical behavior is far from being well understood.
