{
  "id": "cond-mat/9809313",
  "version": "v1",
  "published": "1998-09-23T13:04:57.000Z",
  "updated": "1998-09-23T13:04:57.000Z",
  "title": "Effective field approach to the Ising film in a transverse field",
  "authors": [
    "Luca Peliti",
    "Mohammed Saber"
  ],
  "comment": "16 pages, 5 figures, elsart.cls (included)",
  "categories": [
    "cond-mat.stat-mech"
  ],
  "abstract": "We study the phase transitions of the spin-1/2 Ising film in a transverse field within the framework of the effective field theory. We evaluate the critical temperature of the film as a function of the exchange interactions, the transverse field and the film thickness. We find that, if the ratio of the surface exchange interactions to the bulk ones R=Js/J is smaller than a critical value Rc, the critical temperature Tc/J of the film is smaller than the bulk critical temperature Tc^B/J and approaches Tc^B/J as R increases further. On the other hand, if R>Rc, Tc/J is larger than both the bulk Tc^B/J and the surface Tc^S/J critical temperatures of the corresponding semi-infinite system, and approaches Tc^S as R increases further.",
  "revisions": [
    {
      "version": "v1",
      "updated": "1998-09-23T13:04:57.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "transverse field",
      "effective field approach",
      "ising film",
      "surface exchange interactions",
      "field theory"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 16,
      "language": "en",
      "license": "arXiv",
      "status": "editable"
    }
  }
}