Classification of topological matter

Topological phases appear in many forms and shapes. We strive for a exhaustive understanding of the topology of condensed matter systems, studying novel phases, novel invariants and boundary signatures.

Relevant publications

Boundary obstructed topological phases 
E. Khalaf, W. Benalcazar, T. Hughes and R. Queiroz, Phys. Rev. Research. 3, 013239 (2021)

A search for correlation-induced adiabatic paths between distinct topological insulators 
J. S. Hofmann, F. F. Assaad, R. Queiroz, and E. Khalaf, Phys. Rev. Research. 2, 023390 (2020)

Experimental characterization of spectral flow between fragile bands 
V. Peri, Z. Song, M. Serra-Garcia, P. Engeler, R. Queiroz, X. Huang, W. Deng, Z. Liu, B. A. Bernevig, and S. D. Huber, Science 367, 6479 (2020)

Dimensional hierarchy of fermionic interacting topological phases 
R. Queiroz, E. Khalaf and A. Stern, Phys. Rev. Lett. 117, 206405 (2016)