The spin limit for cosmological black holes


Read the full article in Classical and Quantum Gravity (Open Access):
The area-angular momentum inequality for black holes in cosmological spacetimes
María Eugenia Gabach Clément, Martín Reiris and Walter Simon 2015 Class. Quantum Grav. 32 145006

arXiv:1501.07243


In colloquial terms, the main achievement of our recent CQG article is simple to state: We have proven that the angular momentum J of an axially symmetric black hole (the Noether current) with surface area A satisfies the bound.equation Walter CQG+ post

Here \Lambda is the cosmological constant –  a standard ingredient in Einstein’s Continue reading