{ "id": "2206.10468", "version": "v1", "published": "2022-06-21T15:25:07.000Z", "updated": "2022-06-21T15:25:07.000Z", "title": "Non-uniform heat redistribution among multiple channels in the integer quantum Hall regime", "authors": [ "Ryota Konuma", "Chaojing Lin", "Tokuro Hata", "Taichi Hirasawa", "Takafumi Akiho", "Koji Muraki", "Toshimasa Fujisawa" ], "comment": "8 pages, 4 figures", "journal": "Phys. Rev. B 105, 235302 (2022)", "categories": [ "cond-mat.mes-hall" ], "abstract": "Heat transport in multiple quantum-Hall edge channels at Landau-level filling factor nu = 2, 4, and 8 is investigated with a quantum point contact as a heat generator and a quantum dot as a local thermometer. Heat distribution among the channels remains highly non-uniform, which can be understood with the plasmon eigenmodes of the multiple channels. The heat transport can be controlled with another quantum point contact as a quantized heat valve, as manifested by stepwise increases of heat current at the thermometer. This encourages developing integrated heat circuits with quantum-Hall edge channels.", "revisions": [ { "version": "v1", "updated": "2022-06-21T15:25:07.000Z" } ], "analyses": { "keywords": [ "integer quantum hall regime", "non-uniform heat redistribution", "multiple channels", "developing integrated heat circuits", "quantum point contact" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Phys. Rev. B" }, "note": { "typesetting": "TeX", "pages": 8, "language": "en", "license": "arXiv", "status": "editable" } } }