{ "id": "1101.4006", "version": "v2", "published": "2011-01-20T20:07:02.000Z", "updated": "2011-09-02T07:58:23.000Z", "title": "Energy transport by neutral collective excitations at the quantum Hall edge", "authors": [ "E. V. Deviatov", "A. Lorke", "G. Biasiol", "L. Sorba" ], "comment": "Final version, as appear in PRL", "journal": "Phys. Rev. Lett. 106, 256802 (2011)", "doi": "10.1103/PhysRevLett.106.256802", "categories": [ "cond-mat.mes-hall", "cond-mat.str-el" ], "abstract": "We use the edge of the quantum Hall sample to study the possibility for counter-propagating neutral collective excitations. A novel sample design allows us to independently investigate charge and energy transport along the edge. We experimentally observe an upstream energy transfer with respect to the electron drift for the filling factors 1 and 1/3. Our analysis indicates that a neutral collective mode at the interaction-reconstructed edge is a proper candidate for the experimentally observed effect.", "revisions": [ { "version": "v2", "updated": "2011-09-02T07:58:23.000Z" } ], "analyses": { "subjects": [ "73.40.Qv", "71.30.+h", "73.43.-f" ], "keywords": [ "quantum hall edge", "energy transport", "quantum hall sample", "upstream energy transfer", "novel sample design" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Physical Review Letters", "year": 2011, "month": "Jun", "volume": 106, "number": 25, "pages": 256802 }, "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2011PhRvL.106y6802D" } } }