World-Volume Effective Theory for Higher-Dimensional Black Holes

Details World-Volume Effective Theory for Higher-Dimensional Black Holes World-Volume Effective Theory for Higher-Dimensional Black Holes

2009-02-03

arxiv.org/abs/0902.0427v2

Phys.Rev.Lett.102:191301,2009

Physics

High Energy Physics

High Energy Physics - Theory

11 pages. v2: title changed to match published version in PRL; otherwise minor corrections

Scientific paper

We argue that the main feature behind novel properties of higher-dimensional black holes, compared to four-dimensional ones, is that their horizons can have two characteristic lengths of very different size. We develop a long-distance worldvolume effective theory that captures the black hole dynamics at scales much larger than the short scale. In this limit the black hole is regarded as a blackfold: a black brane (possibly boosted locally) whose worldvolume spans a curved submanifold of the spacetime. This approach reveals black objects with novel horizon geometries and topologies more complex than the black ring, but more generally it provides a new organizing framework for the dynamics of higher-dimensional black holes.

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