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Fuzzball geometries and higher derivative corrections for extremal holes
Stefano Giusto, Samir D. Mathur
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-char…
Geometry of D1-D5-P bound states
Stefano Giusto, Samir D. Mathur
Supersymmetric solutions of 6-d supergravity (with two translation symmetries) can be written as a hyperkahler base times a 2-D fiber. The subset of these solutions which correspon…
Dual geometries for a set of 3-charge microstates
Stefano Giusto, Samir D. Mathur, Ashish Saxena
We construct a set of extremal D1-D5-P solutions, by taking appropriate limits in a known family of nonextremal 3-charge solutions. The extremal geometries turn out to be completel…
3-charge geometries and their CFT duals
Stefano Giusto, Samir D. Mathur, Ashish Saxena
We consider two families of D1-D5-P states and find their gravity duals. In each case the geometries are found to `cap off' smoothly near r=0; thus there are no horizons or closed…
Where are the states of a black hole?
Samir D. Mathur
We argue that bound states of branes have a size that is of the same order as the horizon radius of the corresponding black hole. Thus the interior of a black hole is not `empty sp…