{ "id": "cond-mat/9706066", "version": "v1", "published": "1997-06-06T21:21:52.000Z", "updated": "1997-06-06T21:21:52.000Z", "title": "Tunneling and Universality in the Integer Quantum Hall Effect", "authors": [ "Alex Hansen", "Janos Kertesz" ], "comment": "4 pages, LaTeX, 4 figures, Postscript", "categories": [ "cond-mat.mes-hall" ], "abstract": "We show analytically and numerically that omission of quantum interference from the Chalker-Coddington model of the integer quantum Hall effect gives a localization length exponent nu=4/3 as in ordinary two-dimensional percolation. Thus, contrary to semi-classical scaling arguments, tunneling alone does not lead to nu=7/3.", "revisions": [ { "version": "v1", "updated": "1997-06-06T21:21:52.000Z" } ], "analyses": { "keywords": [ "integer quantum hall effect", "universality", "ordinary two-dimensional percolation", "localization length exponent", "chalker-coddington model" ], "note": { "typesetting": "LaTeX", "pages": 4, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "1997cond.mat..6066H" } } }