{
  "id": "quant-ph/0404136",
  "version": "v2",
  "published": "2004-04-23T15:42:20.000Z",
  "updated": "2004-05-31T02:10:17.000Z",
  "title": "An approximation to $δ'$ couplings on graphs",
  "authors": [
    "Taksu Cheon",
    "Pavel Exner"
  ],
  "comment": "10 pages, LaTeX, 1 figure added, to be published in J. of Phys. A",
  "journal": "Journal of Physics A37 (2004) L329-L335.",
  "doi": "10.1088/0305-4470/37/29/L01",
  "categories": [
    "quant-ph",
    "cond-mat.mes-hall",
    "math-ph",
    "math.MP"
  ],
  "abstract": "We discuss a general parametrization for vertices of quantum graphs and show, in particular, how the $\\delta'_s$ and $\\delta'$ coupling at an $n$ edge vertex can be approximated by means of $n+1$ couplings of the $\\delta$ type provided the latter are properly scaled.",
  "revisions": [
    {
      "version": "v2",
      "updated": "2004-05-31T02:10:17.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "approximation",
      "general parametrization",
      "quantum graphs"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "journal": "Journal of Physics A Mathematical General",
      "year": 2004,
      "month": "Jul",
      "volume": 37,
      "number": 29
    },
    "note": {
      "typesetting": "LaTeX",
      "pages": 10,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2004JPhA...37L.329C"
    }
  }
}