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cond-mat.mes-hall2018★ 301 cited
Higher-order bulk-boundary correspondence for topological crystalline phases
Luka Trifunovic, Piet W. Brouwer
We study the bulk-boundary correspondence for topological crystalline phases, where the crystalline symmetry is an order-two (anti)symmetry, unitary or antiunitary. We obtain a for…
cond-mat.mes-hall2018★ 414 cited
Second-order topological insulators and superconductors with an order-two crystalline symmetry
Max Geier, Luka Trifunovic, Max Hoskam +1
Second-order topological insulators and superconductors have a gapped excitation spectrum in bulk and along boundaries, but protected zero modes at corners of a two-dimensional cry…