{
  "annotation_id": "4e79decf-f4a9-4d52-844b-6214102f7184",
  "date_created": "2026-03-02T18:02:33.572000Z",
  "date_modified": "2026-03-02T18:02:33.572000Z",
  "file_hash": "e55c364d8863ecc658ccd6e8dd97c92b6860b8d11e2269ed550f4ca3ecce2cd0",
  "private": false,
  "record": {
    "abstract": "It is demonstrated that both transmission and reflection coefficients\nassociated to the Klein paradox at a step barrier are positive and less than\nunity, so that the particle-antiparticle pair creation mechanism commonly\nlinked to this phenomenon is not necessary. Because graphene is a solid-state\ntesting ground for quantum electrodynamics phenomena involving massless Dirac\nfermions we suggest that the transport characteristic through a p-n graphene\njunction can decide between the results obtained in this paper and the common\nKlein paradox theory, which imply negative transmission and higher-than-unity\nreflection coefficients. Recent experimental evidence supports our findings.",
    "arxiv_id": "quant-ph/0701083",
    "authors": [
      "Daniela Dragoman"
    ],
    "categories": [
      "quant-ph"
    ],
    "title": "Evidence Against Klein Paradox in Graphene",
    "url": "https://arxiv.org/abs/quant-ph/0701083"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "55041d06-a2e2-4de6-b4ba-003ac964496c",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}