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math-ph2020★ 11 cited
Localization of generalized Wannier bases implies Chern triviality in non-periodic insulators
Giovanna Marcelli, Massimo Moscolari, Gianluca Panati
We investigate the relation between the localization of generalized Wannier bases and the topological properties of two-dimensional gapped quantum systems of independent electrons…
math-ph2020★ 18 cited
A new approach to transport coefficients in the quantum spin Hall effect
Giovanna Marcelli, Gianluca Panati, Stefan Teufel
We investigate some foundational issues in the quantum theory of spin transport, in the general case when the unperturbed Hamiltonian operator does not commute with the spin…