{
  "id": "1508.00993",
  "version": "v1",
  "published": "2015-08-05T07:48:26.000Z",
  "updated": "2015-08-05T07:48:26.000Z",
  "title": "Orbital Magnetization in Molecules and in Condensed Matter",
  "authors": [
    "Raffaello Bianco",
    "Raffaele Resta"
  ],
  "categories": [
    "cond-mat.mes-hall"
  ],
  "abstract": "The orbital magnetic moment of a finite piece of matter is expressed in terms of the one-body density matrix as a simple trace. We address a macroscopic system, insulating in the bulk, and we show that its orbital moment is the sum of a bulk term and a surface term, both extensive. The latter only occurs when the transverse conductivity is nonzero and owes to conducting surface states. Simulations on a model Hamiltonian validate our theory; its relationships with the known $\\bf{k}$-space formulas for crystalline insulators are also discussed.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2015-08-05T07:48:26.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "orbital magnetization",
      "condensed matter",
      "orbital magnetic moment",
      "one-body density matrix",
      "model hamiltonian validate"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 0,
      "language": "en",
      "license": "arXiv",
      "status": "editable"
    }
  }
}