{
  "annotation_id": "a0884e4a-5756-4c76-bddd-90f9651a19f7",
  "date_created": "2026-03-02T18:00:11.734000Z",
  "date_modified": "2026-03-02T18:00:11.734000Z",
  "file_hash": "4b9a6dc31ff1895833a505768d47980bb12b00f5e4e7a99da46d1577233461dc",
  "private": false,
  "record": {
    "abstract": "The K$^-$ condensation and quark deconfinement phase transitions are\ninvestigated in the modified quark-meson coupling model. It is shown that K$^-$\ncondensation is suppressed because of the quark deconfinement when\n$B^{1/4}\u003c$202.2MeV, where $B$ is the bag constant for unpaired quark matter.\nWith the equation of state (EOS) solved self-consistently, we discuss the\nproperties of compact stars. We find that the EOS of pure hadron matter with\ncondensed K$^-$ phase should be ruled out by the redshift for star EXO0748-676,\nwhile EOS containing unpaired quark matter phase with $B^{1/4}$ being about\n180MeV could be consistent with this observation and the best measured mass of\nstar PSR 1913+16. We then probe into the change of the phase structures in\npossible compact stars with deconfinment phase as the central densities\nincrease. But if the recent inferred massive star among Terzan 5 with\nM$\u003e$1.68M$_{\\odot}$ is confirmed, all the present EOSes with condensed phase\nand deconfined phase would be ruled out and therefore these exotic phases are\nunlikely to appear within neutron stars.",
    "arxiv_id": "nucl-th/0612107",
    "authors": [
      "Chang-Qun Ma",
      "Chun-Yuan Gao"
    ],
    "categories": [
      "nucl-th"
    ],
    "doi": "10.1088/0253-6102/50/1/35",
    "journal_ref": "Commun.Theor.Phys.50: 180-186, 2008",
    "title": "Phase Structure of Compact Star in Modified Quark-Meson Coupling Model",
    "url": "https://arxiv.org/abs/nucl-th/0612107"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "44432b5c-db2d-4d5e-b32b-3ce2680e3b94",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}