{ "id": "1910.01585", "version": "v1", "published": "2019-10-03T16:34:03.000Z", "updated": "2019-10-03T16:34:03.000Z", "title": "Hall conductivity of strained $Z_2$ crystals", "authors": [ "I. V. Fialkovsky", "M. A. Zubkov" ], "comment": "Latex, 13 pages, prepared for the proceedings of ICNFP2019", "categories": [ "cond-mat.mes-hall" ], "abstract": "We establish topological nature of Hall conductivity of graphene and other $Z_2$ crystals in 2D and 3D in the presence of inhomogeneous perturbations. To this end the lattice Weyl-Wigner formalism is employed. The non-uniform mechanical stress is considered, along with spatially varying magnetic field. The relation of the obtained topological invariant to level counting is clarified.", "revisions": [ { "version": "v1", "updated": "2019-10-03T16:34:03.000Z" } ], "analyses": { "keywords": [ "hall conductivity", "lattice weyl-wigner formalism", "non-uniform mechanical stress", "spatially varying magnetic field", "inhomogeneous perturbations" ], "note": { "typesetting": "LaTeX", "pages": 13, "language": "en", "license": "arXiv", "status": "editable" } } }