Supergravity fluxbranes in various dimensions

被引:22
作者
Chen, CM [1 ]
Gal'tsov, DV
Saffin, PM
机构
[1] Natl Taiwan Univ, Dept Phys, Taipei 106, Taiwan
[2] Moscow MV Lomonosov State Univ, Dept Theoret Phys, Moscow 119899, Russia
[3] Univ Durham, Dept Math Sci, Ctr Particle Theory, Durham DH1 3LE, England
关键词
D O I
10.1103/PhysRevD.65.084004
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We investigate fluxbrane solutions to the Einstein-antisymmetric form-dilaton theory in arbitrary space-time dimensions for a transverse space of cylindrical topology S(k)xR(n), corresponding to smeared and unsmeared solutions. A master equation for a single metric function is derived. This is a non-linear second-order ordinary differential equation admitting an analytic solution, singular at the origin, which serves as an attractor for globally regular solutions, whose existence is demonstrated numerically. For all fluxbranes of different levels of smearing the metric function diverges at infinity as the same power of the radial coordinate except for the maximally smeared case, where a global solution is known in closed form and can be obtained algebraically using U duality. The particular cases of F6 and F3 fluxbranes in D=11 supergravity and fluxbranes in types IIA, IIB supergravities are discussed.
引用
收藏
页码:840041 / 840046
页数:6
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