A vortex model for rotating compact objects

Details A vortex model for rotating compact objects A vortex model for rotating compact objects

2008-09-05

arxiv.org/abs/0809.1115v2

Astronomy and Astrophysics

Astrophysics

10 pages, 2 figures (v2: unnecessary figures removed)

Scientific paper

A rotating stationary solution of the vacuum Einstein equations with a cosmological constant is exhibited which reduces to de Sitter's interior cosmological solution when the angular momentum goes to zero. This solution is locally isomorphic to de Sitter space, but as one approaches the axis of rotation a conical event horizon appears that signals the appearance of a new phase of space-time. This suggests that in reality rotating compact objects have a vortex structure similar to that conjectured for rotating superfluid droplets. In the limit of slow rotation the vortex core would be nearly cylindrical and the space-time inside the core would be Godel-like. The exterior space-time will resemble the Kerr solution for equatorial latitudes, but significant deviations from Kerr are expected for polar latitudes.

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