Innermost stable circular orbit of a spinning particle in Kerr spacetime

Shingo Suzuki*, Kei Ichi Maeda

*この研究の対応する著者

研究成果: Article査読

13 被引用数 (Scopus)

抄録

We study the stability of circular orbits of spinning test particles in Kerr spacetime. We find that some of the circular orbits become unstable in the direction perpendicular to the equatorial plane, although the orbits are still stable in the radial direction. For the large spin case [S/ μM≲O(1)], the innermost stable circular orbit (ISCO) appears before the minimum of the effective potential in the equatorial plane disappears. This changes the radius of the ISCO and therefore the frequency of the last circular orbit.

本文言語English
論文番号023005
ジャーナルPhysical Review D
58
2
出版ステータスPublished - 1998

ASJC Scopus subject areas

  • 物理学および天文学(その他)

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