Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/126999
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dc.contributor.authorLudewig, M.-
dc.contributor.authorThiang, G.C.-
dc.date.issued2020-
dc.identifier.citationJournal of Mathematical Physics, 2020; 61(6):1-22-
dc.identifier.issn0022-2488-
dc.identifier.issn1089-7658-
dc.identifier.urihttp://hdl.handle.net/2440/126999-
dc.description.abstractFor a large class of physically relevant operators on a manifold with discrete group action, we prove general results on the (non-)existence of a basis of well-localized Wannier functions for their spectral subspaces. This turns out to be equivalent to the freeness of a certain Hilbert module over the group C*-algebra canonically associated with the spectral subspace. This brings into play K-theoretic methods and justifies their importance as invariants of topological insulators in physics.-
dc.description.statementofresponsibilityMatthias Ludewig and Guo Chuan Thianga-
dc.language.isoen-
dc.publisherAIP Publishing-
dc.rights© 2020 Author(s). Published under license by AIP Publishing.-
dc.source.urihttp://dx.doi.org/10.1063/1.5143493-
dc.titleGood Wannier bases in Hilbert modules associated to topological insulators-
dc.typeJournal article-
dc.identifier.doi10.1063/1.5143493-
dc.relation.granthttp://purl.org/au-research/grants/arc/FL170100020-
dc.relation.granthttp://purl.org/au-research/grants/arc/DE170100149-
dc.relation.granthttp://purl.org/au-research/grants/arc/DP200100729-
pubs.publication-statusPublished-
dc.identifier.orcidLudewig, M. [0000-0001-9986-4308]-
dc.identifier.orcidThiang, G.C. [0000-0003-0268-0065]-
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Physics publications

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