{
  "annotation_id": "76ca67d3-6f08-4fdd-86d4-3829a654d80b",
  "date_created": "2026-03-02T18:02:40.716000Z",
  "date_modified": "2026-03-02T18:02:40.716000Z",
  "file_hash": "3cd0fb0c8876024b36c46ef9318f38701fba4f94fc340f4b76ef4ca7b811421b",
  "private": false,
  "record": {
    "abstract": "We present a nonlinear stochastic Schroedinger equation for pure states\ndescribing non-Markovian diffusion of quantum trajectories. It provides an\nunravelling of the evolution of a quantum system coupled to a finite or\ninfinite number of harmonic oscillators, without any approximation. Its power\nis illustrated by several examples, including measurement-like situations,\ndissipation, and quantum Brownian motion. In some examples, we treat the\nenvironment phenomenologically as an infinite reservoir with fluctuations of\narbitrary correlation. In other examples the environment consists of a finite\nnumber of oscillators. In these quasi-periodic cases we see the reversible\ndecay of a `Schroedinger cat\u0027 state. Finally, our description of open systems\nis compatible with different positions of the `Heisenberg cut\u0027 between system\nand environment.",
    "arxiv_id": "quant-ph/9803062",
    "authors": [
      "L. Diosi",
      "N. Gisin",
      "W. T. Strunz"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevA.58.1699",
    "title": "Non-Markovian Quantum State Diffusion",
    "url": "https://arxiv.org/abs/quant-ph/9803062"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "6805ae98-0ac6-4b22-9bdc-7303182fb7c5",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}