Gravity beyond Linear Perturbations in the Braneworld | Zendy

Hideaki Kudoh | Zendy

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Gravity beyond Linear Perturbations in the Braneworld

Author(s) -

Hideaki Kudoh

Publication year - 2002

Publication title -

progress of theoretical physics supplement

Language(s) - English

Resource type - Journals

ISSN - 0375-9687

DOI - 10.1143/ptps.148.145

Subject(s) - brane , perturbation (astronomy) , physics , gravitation , einstein , randall–sundrum model , theoretical physics , perturbation theory (quantum mechanics) , classical mechanics , quantum mechanics

In the present paper, we briefly review recent studies of second-ordergravitational perturbations in braneworld models. After we consider thepossibility of pathological behavior of gravity at higher orders ofperturbation, second-order perturbations are discussed in Randall-Sundrumbraneworld models. Because the mass spectra in these braneworld models aredifferent, we analyze them using different approaches. In the respectivemodels, it is discussed that 4D Einstein gravity is approximately recovered atlevel of second-order perturbation, although there are some exceptional casesin the two-brane model.Comment: 12 pages, typos corrected, Proceedings for YITP workshop "Braneworld -Dynamics of spacetime boundary -

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