Simple Models for All Topological Phases
classification
❄️ cond-mat.mes-hall
cond-mat.supr-conmath-phmath.MP
keywords
topologicalmodelsphasessimplecasesconstructconstructionsexplicit
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We construct simple models for all topological phases of free fermions. These explicit models can realize all the nontrivial topological phases (with any possible topological invariant) of the periodic table. Many well known models for topological insulators and superconductors are special cases of our general constructions.
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