論文

査読有り
1998年

Final fate of the spherically symmetric collapse of a perfect fluid

Physical Review D - Particles, Fields, Gravitation and Cosmology
  • Tomohiro Harada

58
10
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1103/PhysRevD.58.104015

The final fate of the spherically symmetric collapse of a perfect fluid which follows the γ-law equation of state and adiabatic condition is investigated. Full general relativistic hydrodynamics is solved numerically using a retarded time coordinate, the so-called observer time coordinate. Thanks to this coordinate, the causal structure of the resultant space-time is automatically constructed. Then, it is found that a globally naked, shell-focusing singularity can occur at the center from relativistically high-density, isentropic, and time symmetric initial data if (Formula presented) within the numerical accuracy. The result is free from the assumption of self-similarity. The upper limit of γ with which a naked singularity can occur from generic initial data is consistent with the result of Ori and Piran based on the assumption of self-similarity. © 1998 The American Physical Society.

リンク情報
DOI
https://doi.org/10.1103/PhysRevD.58.104015
ID情報
  • DOI : 10.1103/PhysRevD.58.104015
  • ISSN : 1550-2368
  • ISSN : 1550-7998
  • SCOPUS ID : 1542735844

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