Physics CM/BIO/ECE Seminar Series presents: Dr. Yew-San Hor

Wednesday, October 31, 2018 4:00pm

223A Physics Bldg. Library

Departments: 

Prof. Yew-San Hor, Missouri S&T

The MU Physics & Astronomy Department’s Condensed Matter - Biological Physics - Electrical & Computer Engineering seminar series presents, "Doped Bi2Se3 Topological Superconductors," with Prof. Yew-San Hor, Missouri S&T, Rolla, Wednesday, October 31, 4:00 p.m.

Prof. Hor writes, "Topological superconductors are predicted to have a full superconducting pairing gap in the bulk and gapless surface states consisting Majorana fermions which are spinless quasiparticles with no charge. This Majorana fermionic surface state, if detectable, could be useful for quantum computer. However, topological superconductors and the associated Majorana quasiparticles have not been conclusively established in real materials so far. This presentation will show by chemical doping, Bi2Se3 topological insulator can be tuned into a bulk superconductor that could be a candidate for topological superconductor. The first example i.e. CuxBi2Se3 was discovered few years ago to be a promising one. Recently, NbxBi2Se3 is found to be another promising system for the topological superconductivity studies. Physical properties of the superconductors will be shown."

A pre-talk reception will be held at 3:30 p.m. and refreshments will be served.