{
  "annotation_id": "f9f7abbf-05ea-4adf-a348-a75128bc9069",
  "date_created": "2026-03-02T18:02:17.251000Z",
  "date_modified": "2026-03-02T18:02:17.251000Z",
  "file_hash": "31feb75adc0c8e33550012e9d106a32690f77755ff1a310811c8e02495a7a84a",
  "private": false,
  "record": {
    "abstract": "A current-biased low-temperature superconducting Josephson junction (JJ) is\ndynamically describable by the quantized motion of a fictitious particle in a\n\"washboard\" potential. The long coherence time of tightly-bound states in the\nwashboard potential of a JJ has prompted the effort to couple JJs and operate\nthem as entangled qubits, capable of forming building blocks of a scalable\nquantum computer. Here we consider a hitherto unexplored quantum aspect of\ncoupled JJs: the ability to produce Einstein-Podolsky-Rosen (EPR) entanglement\nof their continuous variables, namely, their magnetic fluxes and induced\ncharges. Such entanglement, apart from its conceptual novelty, is the\nprerequisite for a far-reaching goal: teleportation of the flux and charge\nvariables between JJs, implementing the transfer of an unknown quantum state\nalong a network of such devices.",
    "arxiv_id": "quant-ph/0504153",
    "authors": [
      "L. Fisch",
      "I. E. Mazets",
      "G. Kurizki"
    ],
    "categories": [
      "quant-ph",
      "cond-mat.supr-con"
    ],
    "title": "Entanglement and teleportation of macroscopic continuous variables by   superconducting devices",
    "url": "https://arxiv.org/abs/quant-ph/0504153"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "1d9704d3-9b47-457e-9866-e7d88e5f8faf",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}