Astrophysics (Index)About

cold dark matter

(CDM)
(one of three classes of "particle dark matter" theory)

Cold dark matter (CDM) is a hypothetical form of dark matter (DM) and is an element of the Lambda-CDM model. Dark matter is theorized to explain the dynamics of galaxies and galaxy clusters which appear to have more gravity than would be explained by the visible stars and gas. Theories that posit dark matter to be some kind of particle can be classified as cold, warm, or hot, based on the speed of the theorized particles, which affects the distances they would travel unimpeded in the early universe, and would be affected by their mass, i.e., lighter for faster speeds. Cold dark matter is dark matter that is slow-moving, such that a (typical) particle travel-distance less than the diameter of a protogalaxy. Warm dark matter (WDM) and hot dark matter (HDM) are alternate types of theory that posit the particles generally traveling longer distances.


(astrophysics,dark matter,early universe,cosmology)
Further reading:
https://en.wikipedia.org/wiki/Cold_dark_matter
https://dictionary.obspm.fr/index.php?formSearchTextfield=cold+dark+matter&showAll=1
https://en.wiktionary.org/wiki/cold_dark_matter#English
https://kiss.caltech.edu/workshops/dark_matter/presentations/primack.pdf
https://ui.adsabs.harvard.edu/abs/2018RvMP...90d5002B/abstract
http://burro.case.edu/Academics/Astr222/Cosmo/Structure/darkmatter.html
https://ned.ipac.caltech.edu/level5/March01/Battaner/node21.html
https://indico.scc.kit.edu/event/75/contributions/3896/attachments/1914/2597/carlos_frenk.pdf
http://astroweb.case.edu/ssm/ASTR333/symmetry-13-01945-v2.pdf

Referenced by pages:
atomic dark matter (aDM)
axion (A0)
core-cusp problem
cosmological model
dark matter (DM)
dwarf galaxy problem
fuzzy dark matter (FDM)
Lambda-CDM model (ΛCDM)
sub-GeV dark matter
wCDM

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