Relating the quantized Hall response of correlated insulators to many-body topological
invariants is a key challenge in topological quantum matter. Here, we use Středa's formula to …

Topological media are gapped or gapless fermionic systems, whose properties are
protected by topology, and thus are robust to deformations of the parameters of the system …

We show exactly that standard “invariants” advocated to define topology for noninteracting
systems deviate strongly from the Hall conductance whenever the excitation spectrum …

An intersection between one-dimensional chiral channels functions as a topological current
splitter. We find that the splitting of a chiral zero-line mode obeys very simple yet highly …

We study the spinful fermionic Haldane-Hubbard model at half-filling using a combination of
quantum cluster methods: cluster perturbation theory, the variational cluster approximation …

We study topological surface-plasmon-polaritons at optical frequencies in tri-harmonic
diffraction gratings formed at a metal–dielectric interface. The latter are shown to well …

Here we present a simple extension to the age-old Kronig–Penney model, which is made to
be bipartite by varying either the scatterer separations or the potential heights. In doing so …

In this work we establish a systematic formulation and proof of the bulk-boundary
correspondence of disordered topological insulators and superconductors for all symmetry …

We study topological surface-plasmon-polaritons at optical frequencies in diffraction gratings
formed by bipartite corrugated metal-dielectric gratings. To do so we implement the theory …

Hall conductance of noninteracting fermions filling a certain number of Landau levels can be
written as a topological invariant. A particular version of this invariant when expressed in …