Induced curvature in brane worlds by surface terms in string effective actions with higher-curvature corrections

被引：5

作者：

Mavromatos, NE ^{[1
]}

Papantonopoulos, E

机构：

[1] Kings Coll London, Dept Phys, London WC2R 2LS, England

[2] Natl Tech Univ Athens, Dept Phys, Athens 15780, Greece

来源：

PHYSICAL REVIEW D | 2006年 / 73卷 / 02期

关键词：

D O I：

10.1103/PhysRevD.73.026001

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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.

引用

页数：8

共 41 条

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