Fuzzball geometries and higher derivative corrections for extremal holes

Details Fuzzball geometries and higher derivative corrections for extremal holes Fuzzball geometries and higher derivative corrections for extremal holes

2004-12-13

arxiv.org/abs/hep-th/0412133v2

Nucl.Phys. B738 (2006) 48-75

Physics

High Energy Physics

High Energy Physics - Theory

33 pages, 1 figure, LaTeX; Added references

Scientific paper

2-charge D1-D5 microstates are described by geometries which end in `caps' near r=0; these caps reflect infalling quanta back in finite time. We estimate the travel time for 3-charge geometries in 4-D, and find agreement with the dual CFT. This agreement supports a picture of `caps' for 3-charge geometries. We argue that higher derivative corrections to such geometries arise from string winding modes. We then observe that the `capped' geometries have no noncontractible circles, so these corrections remain bounded everywhere and cannot create a horizon or singularity.

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