Can we live on a D-brane? -- Effective theory on a self-gravitating D-brane --

Details Can we live on a D-brane? -- Effective theory on a self-gravitating D-brane -- Can we live on a D-brane? -- Effective theory on a self-gravitating D-brane --

2003-05-29

arxiv.org/abs/hep-th/0305253v3

Phys.Rev. D68 (2003) 063506

Physics

High Energy Physics

High Energy Physics - Theory

13 pages, accepted for publication in Physical Review D

Scientific paper

10.1103/PhysRevD.68.063506

We consider a D-brane coupled with gravity in type IIB supergravity on S^5 and derive the effective theory on the D-brane in two different ways, that is, holographic and geometrical projection methods. We find that the effective equations on the brane obtained by these methods coincide. The theory on the D-brane described by the Born-Infeld action is not like Einstein-Maxwell theory in the lower order of the gradient expansion, i.e., the Maxwell field does not appear in the theory. Thus the careful analysis and statement for cosmology on self-gravitating D-brane should be demanded in realistic models.

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