{ "id": "0805.3435", "version": "v1", "published": "2008-05-22T11:03:50.000Z", "updated": "2008-05-22T11:03:50.000Z", "title": "Relevance of multiple-quasiparticle tunneling between edge states at ν =p/(2np+1)", "authors": [ "Dario Ferraro", "Alessandro Braggio", "Matteo Merlo", "Nicodemo Magnoli", "Maura Sassetti" ], "comment": "4 pages, 2 figures", "journal": "Phys. Rev. Lett. 101, 166805 (2008)", "doi": "10.1103/PhysRevLett.101.166805", "categories": [ "cond-mat.mes-hall", "cond-mat.str-el" ], "abstract": "We present an explanation for the anomalous behavior in tunneling conductance and noise through a point contact between edge states in the Jain series $\\nu=p/(2np+1)$, for extremely weak-backscattering and low temperatures [Y.C. Chung, M. Heiblum, and V. Umansky, Phys. Rev. Lett. {\\bf{91}}, 216804 (2003)]. We consider edge states with neutral modes propagating at finite velocity, and we show that the activation of their dynamics causes the unexpected change in the temperature power-law of the conductance. Even more importantly, we demonstrate that multiple-quasiparticles tunneling at low energies becomes the most relevant process. This result will be used to explain the experimental data on current noise where tunneling particles have a charge that can reach $p$ times the single quasiparticle charge. In this paper we analyze the conductance and the shot noise to substantiate quantitatively the proposed scenario.", "revisions": [ { "version": "v1", "updated": "2008-05-22T11:03:50.000Z" } ], "analyses": { "subjects": [ "73.43.Jn", "71.10.Pm", "73.50.Td" ], "keywords": [ "edge states", "multiple-quasiparticle tunneling", "conductance", "single quasiparticle charge", "low temperatures" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Physical Review Letters", "year": 2008, "month": "Oct", "volume": 101, "number": 16, "pages": 166805 }, "note": { "typesetting": "TeX", "pages": 4, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2008PhRvL.101p6805F" } } }