Low energy effective action for Hořava-Witten cosmology

研究成果: ジャーナルへの寄稿学術誌査読

7 被引用数 (Scopus)

抄録

As a supersymmetric extension of the Randall-Sundrum model, we consider a 5-dimensional Hořava-Witten type theory and derive its low energy effective action. The model we consider is a two-brane system with a bulk scalar field satisfying the Bogomol'nyi-Prasad-Sommerfield (BPS) condition. We solve the bulk equations of motion using a gradient expansion method, and substitute the solution into the original action to get the 4-dimensional effective action. The resultant effective theory can be cast into the form of Einstein gravity coupled with two scalar fields, one arising from the radion, the degree of freedom of the interbrane distance, and the other from the bulk scalar field. We also clarify the relation between our analysis and the moduli approximation.

本文言語英語
論文番号024009
ページ(範囲)1-9
ページ数9
ジャーナルPhysical Review D - Particles, Fields, Gravitation and Cosmology
72
2
DOI
出版ステータス出版済み - 7月 15 2005
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 核物理学および高エネルギー物理学
  • 物理学および天文学(その他)

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