M-mode regularization scheme for the self-force in Kerr spacetime

Leor Barack, Darren A. Golbourn, Norichika Sago

研究成果: ジャーナルへの寄稿記事

42 引用 (Scopus)


We present a new, simple method for calculating the scalar, electromagnetic, and gravitational self-forces acting on particles in orbit around a Kerr black hole. The standard "mode-sum regularization" approach for self-force calculations relies on a decomposition of the full (retarded) perturbation field into multipole modes, followed by the application of a certain mode-by-mode regularization procedure. In recent years several groups have developed numerical codes for calculating black hole perturbations directly in 2+1 dimensions (i.e., decomposing the azimuthal dependence into m-modes, but refraining from a full multipole decomposition). Here we formulate a practical scheme for constructing the self-force directly from the 2+1-dimensional m-modes. While the standard mode-sum method is serving well in calculations of the self-force in Schwarzschild geometry, the new scheme should allow a more efficient treatment of the Kerr problem.

ジャーナルPhysical Review D - Particles, Fields, Gravitation and Cosmology
出版物ステータス出版済み - 12 27 2007

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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