Localized Mass and Spin Sources in 2+1 Dimensional Topologically Massive Gravity

Details Localized Mass and Spin Sources in 2+1 Dimensional Topologically Massive Gravity Localized Mass and Spin Sources in 2+1 Dimensional Topologically Massive Gravity

1996-06-13

arxiv.org/abs/gr-qc/9606029v2

Phys.Lett.B413:35-40,1997

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

revised version, minor corrections, latex, 8 pages

Scientific paper

10.1016/S0370-2693(97)01101-5

Stationary solutions to the full non-linear topologically massive gravity (TMG) are obtained for localized sources of mass $m$ and spin $\sigma$. Our results show that the topological term induces spin and that the total spin J (which is the spin observed by an asymptotic observer) ranges from 0 to $\sigma + \frac{m}{\mu}(\frac{4\pi+m}{4\pi +2m})$ depending on the structure of the spin source (here $\mu$ is the topological mass). We find that it is inconsistent to consider actual delta function mass and spin sources. In the point-like limit, however, we find no condition constraining $m$ and $\sigma$ contrary to a previous analysis by Clement.

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