Intersecting branes and the cosmological constant

被引:0
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作者
Torma, T [1 ]
机构
[1] Univ Toronto, Dept Phys, Toronto, ON M5S 1A7, Canada
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O412 [相对论、场论]; O572.2 [粒子物理学];
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摘要
We find all possible static embeddings of a 4-brane in any dimension-g spacetime with 4-dimensional Poincare symmetry and a negative cosmological constant, subject to orbifolding across the brane. Our new solutions allow intersecting branes at an angle determined by a new dynamical parameter. A collection of branes intersecting in one 3-brane allows an arbitrary excess angle that can be related to a vacuum density along the intersection. The 3-brane must be stabilized by additional fine-tuned interactions.
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页码:13 / 26
页数:14
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