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A Cylindrically Symmetric Spacetime Solution in Einstein Gravity with Lambda and Rotation Velocities Around the Center
- Authors
- Lee, Tae Hoon
- Issue Date
- Apr-2009
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- Cosmological constant; Scalar fields; Flat rotation curves
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.54, no.4, pp.1734 - 1737
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 54
- Number
- 4
- Start Page
- 1734
- End Page
- 1737
- ISSN
- 0374-4884
- Abstract
- In the theory of Einstein gravity with a cosmological constant, we consider a 2-dimensional hedgehog configuration of scalar fields and we determine the structure of a static cylindrically-symmetric spacetime with the aftereffects of the scalar fields. We calculate the velocities of objects rotating around the center and discuss their possible relations to the near flatness of the rotation curves in spiral galaxies.
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Related Researcher
- Lee, Tae Hoon
- College of Natural Sciences (Department of Physics)