Induced Curvature in Brane Worlds by Surface Terms in String Effective Actions with Higher-Curvature Corrections

Details Induced Curvature in Brane Worlds by Surface Terms in String Effective Actions with Higher-Curvature Corrections Induced Curvature in Brane Worlds by Surface Terms in String Effective Actions with Higher-Curvature Corrections

2005-03-31

arxiv.org/abs/hep-th/0503243v2

Phys.Rev. D73 (2006) 026001

Physics

High Energy Physics

High Energy Physics - Theory

15 pages, no figures, comments added, typos corrected, to appear in PRD

Scientific paper

10.1103/PhysRevD.73.026001

In string-inspired effective actions, representing the low-energy bulk dynamics of brane/string theories, the higher-curvature ghost-free Gauss-Bonnet combination is obtained by local field redefinitions which leave the (perturbative) string amplitudes invariant. We show that such redefinitions lead to surface terms which induce curvature on the brane world boundary of the bulk spacetime.

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