Non-Newtonian behavior in weak field general relativity for extended rotating sources
Feb, 200611 pages
Published in:
- Int.J.Mod.Phys.D 17 (2008) 475-488
e-Print:
- astro-ph/0602519 [astro-ph]
Report number:
- LU-ITP-2006-002
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Abstract: (arXiv)
Exact stationary axially symmetric solutions of the 4D Einstein equations with co-rotating pressureless perfect fluid sources are studied. A particular solution with approximately flat rotation curve is discussed in some detail. We find that simple Newtonian arguments over-estimate the amount of matter needed to explain these curves by more than 30%. The crucial insight gained by this model is that the Newtonian approximation breaks down globally, even though it is valid locally everywhere.- 98.62.Gq
- 04.40.Nr
- 95.35.+d
- 04.20.Jb
- 98.62.Ck
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