{ "id": "cond-mat/0008271", "version": "v1", "published": "2000-08-18T09:34:04.000Z", "updated": "2000-08-18T09:34:04.000Z", "title": "Conductance anomalies in quantum wires", "authors": [ "T. Rejec", "A. Ramsak", "J. H. Jefferson" ], "comment": "Quantum wire with planar geometry; in-plane magnetic field", "journal": "J. Phys.: Condens. Matter 12 (2000) L233", "doi": "10.1088/0953-8984/12/13/101", "categories": [ "cond-mat.mes-hall" ], "abstract": "We study the conductance threshold of clean nearly straight quantum wires in the magnetic field. As a quantitative example we solve exactly the scattering problem for two-electrons in a wire with planar geometry and a weak bulge. From the scattering matrix we determine conductance via the Landauer-Buettiker formalism. The conductance anomalies found near 0.25(2e^2/h) and 0.75(2e^2/h) are related to a singlet resonance and a triplet resonance, respectively, and survive to temperatures of a few degrees. With increasing in-plane magnetic field the conductance exhibits a plateau at e^2/h, consistent with recent experiments.", "revisions": [ { "version": "v1", "updated": "2000-08-18T09:34:04.000Z" } ], "analyses": { "keywords": [ "conductance anomalies", "increasing in-plane magnetic field", "straight quantum wires", "conductance threshold", "triplet resonance" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }