{
  "id": "cond-mat/9704156",
  "version": "v4",
  "published": "1997-04-17T23:18:40.000Z",
  "updated": "1999-08-12T19:57:27.000Z",
  "title": "Two-dimensional electron gas in a uniform magnetic field in the presence of a delta-impurity",
  "authors": [
    "R. M. Cavalcanti",
    "C. A. A. de Carvalho"
  ],
  "comment": "12+1 pages, 1 ps figure, REVTEX. Corrigendum added",
  "journal": "J. Phys. A: Math. Gen. 31 (1998) 2391-2399; 32 (1999) 6119 (Corrigendum)",
  "doi": "10.1088/0305-4470/31/10/014",
  "categories": [
    "cond-mat.mes-hall"
  ],
  "abstract": "The density of states and the Hall conductivity of a two-dimensional electron gas in a uniform magnetic field and in the presence of a delta impurity are exactly calculated using elementary field theoretic techniques. Although these results are not new, our treatment is explicitly gauge-invariant, and can be easily adapted to other problems involving a delta potential.",
  "revisions": [
    {
      "version": "v4",
      "updated": "1999-08-12T19:57:27.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "uniform magnetic field",
      "two-dimensional electron gas",
      "delta-impurity",
      "elementary field theoretic techniques",
      "hall conductivity"
    ],
    "tags": [
      "journal article"
    ],
    "note": {
      "typesetting": "RevTeX",
      "pages": 1,
      "language": "en",
      "license": "arXiv",
      "status": "editable"
    }
  }
}