{
  "annotation_id": "9ef3777e-e646-4118-8d66-00baae3d8ec2",
  "date_created": "2026-03-02T18:00:18.724000Z",
  "date_modified": "2026-03-02T18:00:18.724000Z",
  "file_hash": "689c535a32af9fce1e1978926a7d19038e041ceb95b2dea970c679ca0be68540",
  "private": false,
  "record": {
    "abstract": "We investigate the contribution of zero-point motion, arising from\nfluctuations in kaon modes, to the ground state properties of neutron star\nmatter containing a Bose condensate of kaons. The zero-point energy is derived\nvia the thermodynamic partition function, by integrating out fluctuations for\nan arbitrary value of the condensate field. It is shown that the vacuum\ncounterterms of the chiral Lagrangian ensure the cancellation of divergences\ndependent on $\\mu$, the charge chemical potential, which may be regarded as an\nexternal vector potential. The total grand potential, consisting of the\ntree-level potential, the zero-point contribution, and the counterterm\npotential, is extremized to yield a locally charge neutral, beta-equilibrated\nand minimum energy ground state. In some regions of parameter space we\nencounter the well-known problem of a complex effective potential. Where the\npotential is real and solutions can be obtained, the contributions from\nfluctuations are found to be small in comparison with tree-level contributions.",
    "arxiv_id": "nucl-th/9611023",
    "authors": [
      "Paul J. Ellis",
      "Vesteinn Thorsson"
    ],
    "categories": [
      "nucl-th",
      "astro-ph",
      "hep-ph"
    ],
    "doi": "10.1103/PhysRevD.55.5177",
    "journal_ref": "Phys.Rev. D55 (1997) 5177-5192",
    "title": "Kaon Zero-Point Fluctuations in Neutron Star Matter",
    "url": "https://arxiv.org/abs/nucl-th/9611023"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "7ebb3c73-f7fa-4b4f-9c69-8d8c4df64acf",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}