学术报告（12月19日）

主持人：姚道新教授、张宏浩副教授

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摘要：

We first introduce and clarify several related but different concepts about “topological states of matter”, such as topological order, symmetry protected topological order, topological insulator, invertible topological order, etc. Then we will propose an experimental platform to realize two dimensional bosonic symmetry protected states, and one class of 2+1d nontrivial topological phase transitions. In the end we will also discuss the possible relation between strongly interacting topological insulator and the Standard Model of particle physics.

报告人简介：

Cenke Xu is currently an Associate Professor of Physics at the University of California, Santa Barbara. His expertise is in topological states of matter and quantum criticality of condensed matter theory. Cenke Xu received his bachelor’s degree in June, 2003 from the Tsinghua University. He received his Ph.D. in May, 2007 from the University of California, Berkeley. After postdoc research in Harvard University, he joined the physics department at UCSB in 2010. Since 2010, Cenke Xu has been awarded the Packard Fellowship for Science and Engineering, the National Science Foundation Career Award, the Outstanding Young Researcher Award (Oversea Chinese Physics Association), and the Alfred P. Sloan Research Fellowship.