Journal
PHYSICAL REVIEW D
Volume 82, Issue 10, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.82.104010
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Funding
- Mathematisches Forschungsinstitut Oberwolfach
- CONICET (Argentina) [PIP 6354/05]
- Secyt-UNC (Argentina) [05/B415]
- Max Planck Institute for Gravitational Physics, Albert-Einstein-Institute (Germany)
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We present a formula that relates the variations of the area of extreme throat initial data with the variation of an appropriate defined mass functional. From this expression we deduce that the first variation, with fixed angular momentum, of the area is zero and the second variation is positive definite evaluated at the extreme Kerr throat initial data. This indicates that the area of the extreme Kerr throat initial data is a minimum among this class of data. And hence the area of generic throat initial data is bounded from below by the angular momentum. Also, this result strongly suggests that the inequality between area and angular momentum holds for generic asymptotically flat axially symmetric black holes. As an application, we prove this inequality in the nontrivial family of spinning Bowen-York initial data.
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