Approximate equation relevant to axial oscillations on slowly rotating relativistic stars
Physical Review D 62 巻 4 号
044006-1-044006-4 頁
2000-06-14 発行
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| ファイル情報(添付) | |
| タイトル ( eng ) |
Approximate equation relevant to axial oscillations on slowly rotating relativistic stars
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| 作成者 |
Hosonuma Masayasu
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| 収録物名 |
Physical Review D
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| 巻 | 62 |
| 号 | 4 |
| 開始ページ | 044006-1 |
| 終了ページ | 044006-4 |
| 抄録 |
Axial oscillations relevant to the r-mode instability are studied with the slow rotation formalism in general relativity. The approximate equation governing the oscillations is derived with second-order rotational corrections. The equation contains an effective "viscositylike" term, which originates from coupling to the polar g-mode displacements. The term plays a crucial role on the resonance point, where the disturbance on the rotating stars satisfies a certain condition at the lowest order equation. The effect is significant for newly born hot neutron stars, which are expected to be subject to the gravitational radiation driven instability of the r mode.
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| 言語 |
英語
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| 資源タイプ | 学術雑誌論文 |
| 出版者 |
American Physical Society
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| 発行日 | 2000-06-14 |
| 権利情報 |
Copyright (c) 2000 The American Physical Society.
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| 出版タイプ | Version of Record（出版社版。早期公開を含む） |
| アクセス権 | オープンアクセス |
| 収録物識別子 |
[ISSN] 1550-7998
[DOI] 10.1103/PhysRevD.62.044006
[NCID] AA00773624
[DOI] http://dx.doi.org/10.1103/PhysRevD.62.044006
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