[0907.5195] Energy Level Diagrams for Black Hole Orbits

Authors: Janna Levin

Date: 29 Jul 2009

Abstract: A spinning black hole with a much smaller black hole companion forms a fundamental gravitational system, like a colossal classical analog to an atom. In an appealing if imperfect analogy to atomic physics, this gravitational atom can be understood through a discrete spectrum of periodic orbits. Through a correspondence between the set of periodic orbits and the set of rational numbers, we are able to construct periodic tables of orbits and energy level diagrams of the accessible states around black holes. We also present a closed form expression for the rational q, thereby quantifying zoom-whirl behavior in terms of spin, energy, and angular momentum. The black hole atom is not just a theoretical construct, but corresponds to extant astrophysical systems detectable by future gravitational wave observatories.

abs pdf

Jul 30, 2009

0907.5195 (/preprints)
2009-07-30, 08:22 [edit]

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Tantum in modicis, quantum in maximis