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cond-mat.mes-hall2023
Green's functions of quasi-one-dimensional layered systems and their application to Josephson junctions
Kiryl Piasotski, Mikhail Pletyukhov, Alexander Shnirman
We develop Green's function formalism to describe continuous multi-layered quasi-one-dimensional setups described by piece-wise constant single-particle Hamiltonians. The Hamiltoni…
cond-mat.mes-hall2023
Topological charge quantization on localized imperfections in crystalline insulators and the nearsightedness principle of Kohn
Kiryl Piasotski
We study the quantization of the excess charge on localized (ultra-screened) impurities in -dimensional crystalline insulating systems. Solving Dyson's equation, we demonstr…