{
  "annotation_id": "7f8bb29b-1285-4897-adf0-c696c1eea34e",
  "date_created": "2026-03-02T18:01:58.864000Z",
  "date_modified": "2026-03-02T18:01:58.864000Z",
  "file_hash": "36461a568616eb58983c2daa8afbf5a2aadbf46e237004d1aa60871b0a7e1670",
  "private": false,
  "record": {
    "abstract": "The size-dependent decoherence of the exciton states resulting from the\nspontaneous emission is investigated in a semiconductor spherical\nmicrocrystallite under condition $a_{B}\\ll R_{0}\\leq\\lambda$. In general, the\nlarger size of the microcrystallite corresponds to the shorter coherence time.\nIf the initial state is a superposition of two different excitonic coherent\nstates, the coherence time depends on both the overlap of two excitonic\ncoherent states and the size of the microcrystallite. When the system with\nfixed size is initially in the even or odd coherent states, the larger average\nnumber of the excitons corresponds to the faster decoherence. When the average\nnumber of the excitons is given, the bigger size of the microcrystallite\ncorresponds to the faster decoherence. The decoherence of the exciton states\nfor the materials GaAs and CdS is numerically studied by our theoretical\nanalysis.",
    "arxiv_id": "quant-ph/0304021",
    "authors": [
      "Yu-xi Liu",
      "A. Miranowicz",
      "S. K. Ozdemir",
      "Masato Koashi",
      "Nobuyuki Imoto"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevA.67.034303",
    "journal_ref": "Phys. Rev. A 67, 034303 (2003)",
    "title": "Size-dependent decoherence of excitonic states in semiconductor   microcrystallites",
    "url": "https://arxiv.org/abs/quant-ph/0304021"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "be84f09c-8d99-409a-9d5b-7d444709ec8b",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}