{
  "id": "cond-mat/0105027",
  "version": "v4",
  "published": "2001-05-02T10:37:58.000Z",
  "updated": "2001-09-25T03:05:58.000Z",
  "title": "Bilayer Quantum Hall System as a Macroscopic Qubit",
  "authors": [
    "Takeshi Inagaki"
  ],
  "comment": "9 pages",
  "categories": [
    "cond-mat.mes-hall",
    "quant-ph"
  ],
  "abstract": "In the bilayer quantum Hall system, a spontaneously charge imbalance state appears at the ground energy level. Gap in the collective excitation energy makes it stable against decoherence in macroscopic level. This state behaves as a spin 1/2 representation of SU(2) and can be controlled by applying the interlayer voltage. We suggest this system can be regarded as a macroscopic realization of a qubit for a quantum computer.",
  "revisions": [
    {
      "version": "v4",
      "updated": "2001-09-25T03:05:58.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "bilayer quantum hall system",
      "macroscopic qubit",
      "spontaneously charge imbalance state appears",
      "ground energy level"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 9,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2001cond.mat..5027I"
    }
  }
}