Black Hole Giants

Details Black Hole Giants Black Hole Giants

2007-05-02

arxiv.org/abs/0705.0373v3

JHEP 0708:006,2007

Physics

High Energy Physics

High Energy Physics - Theory

28 pages; minor typos, factors of 2 corrected in section 4.1, version to appear in JHEP

Scientific paper

10.1088/1126-6708/2007/08/006

We investigate giant and dual giant type BPS configurations in the near-horizon geometry of a certain 1/16-BPS AdS_5 black hole. By quantising the space of solutions we count the dual giant configurations and compare with the black hole entropy. This suggests a missing degeneracy factor which we argue comes from an angular momentum quantum number. From the D-brane world volume this arises from BPS electromagnetic waves. We study these waves in the context of giants and dual giants in the black hole near-horizon geometry. We further demonstrate that turning on waves on the world-volume of 1/8-BPS dual giants in AdS_5 x S^5 leads to 1/16-BPS states with an additional angular momentum quantum number.

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