Warm dark matter
Appearance
Warm dark matter (WDM) is a hypothesized form of dark matter that has properties intermediate between those of hot dark matter and cold dark matter, causing structure formation to occur bottom-up from above their free-streaming scale, and top-down below their free streaming scale. The most common WDM candidates are sterile neutrinos and gravitinos. The WIMPs (weakly interacting massive particles), when produced non-thermally could be candidates for warm dark matter. In general, however the thermally produced WIMPs are cold dark matter candidates.
References
- Dark Matter: Not Simply a Questions of MACHOS and WIMPS
- More than meets the eye
- Constraining warm dark matter candidates including sterile neutrinos and light gravitinos with WMAP and the Lyman-α forest
- The first star formation in WDM Universe
- W.B. Lin, D.H. Huang, X. Zhang, R. Brandenberger, Non-Thermal Production of WIMPs and the Sub-Galactic Structure of the Universe Phys. Rev. Lett. 86, 954, 2001.
See also
- Dark matter
- Hot dark matter (HDM)
- Cold dark matter (CDM)
- Lambda-CDM model
- Modified Newtonian Dynamics
Further reading
- Bertone, Gianfranco (2010). Particle Dark Matter: Observations, Models and Searches. Cambridge University Press. p. 762. ISBN 13: 9780521763684.
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