Topological aspects of generalized Harper operators
classification
🧮 math-ph
hep-thmath.MPmath.OA
keywords
generalizedoperatorsharperaspectsassociatedbundlescherncomputing
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A generalized version of the TKNN-equations computing Hall conductances for generalized Dirac-like Harper operators is derived. Geometrically these equations relate Chern numbers of suitable (dual) bundles naturally associated to spectral projections of the operators.
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