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Adiabatic and periodic variation of the lattice parameters can make it possible to transport charge through a system even without net external electric or magnetic fields, known as Thouless charge pumping. The amount of charge pumped in a cycle is qu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e9317e124756e72184ce310a9845da77
http://arxiv.org/abs/2209.06124
http://arxiv.org/abs/2209.06124
A Thouless pump transports an integer amount of charge when pumping adiabatically around a singularity. We study the splitting of such a critical point into two separate critical points by adding a Hubbard interaction. Furthermore, we consider extens
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6bd3d1ba75bf118d215255cbcd3b8b0c