Quasi-local mass on rigid or round spheres in Kerr spacetime
arXiv:2408.14978
Abstract
We introduce and analyze quasi-local mass using Hamiltonian methods. It is based on multipole decomposition for surfaces that are topological spheres. Based on the above model, tests were performed for Kerr spacetime for two arbitrary choices of surfaces: rigid spheres and round spheres.
35 pages, no figures