{
  "id": "1602.03487",
  "version": "v1",
  "published": "2016-02-10T19:10:05.000Z",
  "updated": "2016-02-10T19:10:05.000Z",
  "title": "Information content of interacting fields in an expanding spacetime",
  "authors": [
    "Helder Alexander",
    "Gustavo de Souza",
    "I. G. da Paz",
    "Marcos Sampaio"
  ],
  "comment": "6 pages, 4 figures",
  "categories": [
    "quant-ph",
    "hep-th"
  ],
  "abstract": "We study the interplay between particle creation, quantum mutual information and bipartite entanglement for two massive interacting scalar fields in a Robertson-Walker spacetime. By considering a solvable two-field model generating bipartite correlations, we show explicitly how the modewise free-field quantum entanglement experiences gravitational enhancement generated by the interaction. Moreover, we verify that this enhancement is increased for stronger coupling between the two fields.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2016-02-10T19:10:05.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "information content",
      "interacting fields",
      "expanding spacetime",
      "model generating bipartite correlations",
      "two-field model generating bipartite"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 6,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2016arXiv160203487A",
      "inspire": 1420726
    }
  }
}