BPS Multi-Walls in Five-Dimensional Supergravity

Details BPS Multi-Walls in Five-Dimensional Supergravity BPS Multi-Walls in Five-Dimensional Supergravity

2003-06-20

arxiv.org/abs/hep-th/0306198v4

Phys.Rev. D69 (2004) 025007

Physics

High Energy Physics

High Energy Physics - Theory

33 pages, 9 figures, A paragraph and a reference is added to explain collective coordinates, A few typos corrected, Final vers

Scientific paper

10.1103/PhysRevD.69.025007

Exact BPS solutions of multi-walls are obtained in five-dimensional supergravity. The solutions contain 2n parameters similarly to the moduli space of the corresponding global SUSY models and have a smooth limit of vanishing gravitational coupling. The models are constructed as gravitational deformations of massive T^*CP^n nonlinear sigma models by using the off-shell formulation of supergravity and massive quaternionic quotient method with U(1)*U(1) gauging. We show that the warp factor can have at most single stationary point in this case. We also obtain BPS multi-wall solutions even for models which reduce to generalizations of massive T^*CP^n models with only U(1)^n isometry in the limit of vanishing gravitational coupling. At particular values of parameters, isometry of the quaternionic manifolds is enhanced.

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