Is Hall Conductance in Hall Bar Geometry a Topological Invariant?

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dc.creatorIshikawa, K.
dc.creatorMaeda, N.
dc.creatorTadaki, K.
dc.date1994-09-26
dc.date.accessioned2026-07-07T03:07:27Z
dc.date.available2026-07-07T03:07:27Z
dc.descriptionA deep connection between the Hall conductance in realistic situation and a topological invariant is pointed out based on von-Neumann lattice representation in which Landau level electrons have minimum spatial extensions. We show that the Hall conductance has no finite size correction in quantum Hall regime, but a coefficient of induced Chern-Simons term in QED$_3$ has a small finite size correction, although both of them are similar topological invariant.
dc.description13 pages, 2 figures uuencoded, phyzzx, EPHOU-94-005
dc.identifierhttps://arxiv.org/abs/cond-mat/9409109
dc.identifierhttp://arxiv.org/abs/cond-mat/9409109
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/27179
dc.subjectCondensed Matter
dc.titleIs Hall Conductance in Hall Bar Geometry a Topological Invariant?
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