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- Matter_power_spectrum abstract "The matter power spectrum describes the density contrast of the universe (the difference between the local density and the mean density) as a function of scale. It is the Fourier transform of the matter correlation function. On large scales, gravity competes with cosmic expansion, and structures grow according to linear theory. In this regime, the density contrast field is Gaussian, Fourier modes evolve independently, and the power spectrum is sufficient to completely describe the density field. On small scales, gravitational collapse is non-linear, and can only be computed accurately using N-body simulations. Higher-order statistics are necessary to describe the full field at small scales.".
- Matter_power_spectrum wikiPageID "17780458".
- Matter_power_spectrum wikiPageLength "910".
- Matter_power_spectrum wikiPageOutDegree "8".
- Matter_power_spectrum wikiPageRevisionID "662447903".
- Matter_power_spectrum wikiPageWikiLink Category:Physical_cosmology.
- Matter_power_spectrum wikiPageWikiLink Cosmic_expansion.
- Matter_power_spectrum wikiPageWikiLink Fourier_transform.
- Matter_power_spectrum wikiPageWikiLink Gravity.
- Matter_power_spectrum wikiPageWikiLink Metric_expansion_of_space.
- Matter_power_spectrum wikiPageWikiLink N-body_simulation.
- Matter_power_spectrum wikiPageWikiLink Power_spectrum.
- Matter_power_spectrum wikiPageWikiLink Spectral_density.
- Matter_power_spectrum wikiPageWikiLink Structure_formation.
- Matter_power_spectrum wikiPageWikiLinkText "matter power spectrum".
- Matter_power_spectrum wikiPageWikiLinkText "power spectrum of matter fluctuations".
- Matter_power_spectrum hasPhotoCollection Matter_power_spectrum.
- Matter_power_spectrum wikiPageUsesTemplate Template:Astronomy-stub.
- Matter_power_spectrum wikiPageUsesTemplate Template:Cosmology.
- Matter_power_spectrum subject Category:Physical_cosmology.
- Matter_power_spectrum type Physic.
- Matter_power_spectrum type Sub-discipline.
- Matter_power_spectrum comment "The matter power spectrum describes the density contrast of the universe (the difference between the local density and the mean density) as a function of scale. It is the Fourier transform of the matter correlation function. On large scales, gravity competes with cosmic expansion, and structures grow according to linear theory.".
- Matter_power_spectrum label "Matter power spectrum".
- Matter_power_spectrum sameAs m.047gbk9.
- Matter_power_spectrum sameAs Q6789742.
- Matter_power_spectrum sameAs Q6789742.
- Matter_power_spectrum wasDerivedFrom Matter_power_spectrum?oldid=662447903.
- Matter_power_spectrum isPrimaryTopicOf Matter_power_spectrum.