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A systematic study of stacked square nets: from Dirac fermions to material realizations
Sebastian Klemenz, Leslie Schoop, Jennifer Cano
Non-symmorphic symmetries protect Dirac line nodes in square net materials. This phenomenon has been most prominently observed in ZrSiS. Here, we systematically study the symmetry-…
Modular Arithmetic with Nodal Lines: Drumhead Surface States in ZrSiTe
Lukas Muechler, Andreas Topp, Raquel Queiroz +5
We study the electronic structure of the nodal line semimetal ZrSiTe both experimentally and theoretically. We find two different surface states in ZrSiTe - topological drumhead su…
Strong and Fragile Topological Dirac Semimetals with Higher-Order Fermi Arcs
Benjamin J. Wieder, Zhijun Wang, Jennifer Cano +4
Dirac and Weyl semimetals both exhibit arc-like surface states. However, whereas the surface Fermi arcs in Weyl semimetals are topological consequences of the Weyl points themselve…
Multifold nodal points in magnetic materials
Jennifer Cano, Barry Bradlyn, M. G. Vergniory
We describe the symmetry protected nodal points that can exist in magnetic space groups and show that only 3-, 6-, and 8-fold degeneracies are possible (in addition to the 2- and 4…