{"paper":{"title":"Ultranarrow resonance in Coulomb drag between quantum wires at coinciding densities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mes-hall","authors_text":"A. P. Dmitriev, D. G. Polyakov, I. V. Gornyi","submitted_at":"2015-12-01T18:22:20Z","abstract_excerpt":"We investigate the influence of the chemical potential mismatch $\\Delta$ (different electron densities) on Coulomb drag between two parallel ballistic quantum wires. For pair collisions, the drag resistivity $\\rho_{\\rm D}(\\Delta)$ shows a peculiar anomaly at $\\Delta=0$ with $\\rho_{\\rm D}$ being finite at $\\Delta=0$ and vanishing at any nonzero $\\Delta$. The \"bodyless\" resonance in $\\rho_{\\rm D}(\\Delta)$ at zero $\\Delta$ is only broadened by processes of multi-particle scattering. We analyze Coulomb drag for finite $\\Delta$ in the presence of both two- and three-particle scattering within the k"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.00373","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}