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cond-mat.mes-hall2021
Generalized Chern numbers based on open system Green's functions
M. Belén Farias, Solofo Groenendijk, Thomas L. Schmidt
We present an alternative approach to studying topology in open quantum systems, relying directly on Green's functions and avoiding the need to construct an effective non-Hermitian…
cond-mat.mes-hall2021★ 5 cited
Kerr effect in tilted nodal loop semimetals
Johan Ekström, Eddwi H. Hasdeo, M. Belén Farias +1
We investigate the optical activity of tilted nodal loop semimetals. We calculate the full conductivity matrix for a band structure containing a nodal loop with possible tilt in th…