Linear gas dynamics in the expanding universe

Nickolay Y. Gnedin, Emily J. Baker, Thomas J. Bethell, Meredith M. Drosback, A. Gayler Harford, Amalia K. Hicks, Adam G. Jensen, Brian A. Keeney, Christopher M. Kelso, Mark C. Neyrinck, Scott E. Pollack, Timothy P. Van Vliet

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

We investigate the relationship between the dark matter and baryons in the linear regime. This relation is quantified by the so-called "filtering scale." We show that a simple Gaussian Ansatz that uses the filtering scale provides a good approximation to the exact solution.

Original languageEnglish (US)
Pages (from-to)525-528
Number of pages4
JournalAstrophysical Journal
Volume583
Issue number2 I
DOIs
StatePublished - Feb 1 2003

Fingerprint

gas dynamics
universe
gas
baryons
dark matter
approximation

Keywords

  • Cosmic microwave background
  • Cosmology: theory
  • Galaxies: formation
  • Intergalactic medium
  • Large-scale structure of universe

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Gnedin, N. Y., Baker, E. J., Bethell, T. J., Drosback, M. M., Harford, A. G., Hicks, A. K., ... Van Vliet, T. P. (2003). Linear gas dynamics in the expanding universe. Astrophysical Journal, 583(2 I), 525-528. https://doi.org/10.1086/345424

Linear gas dynamics in the expanding universe. / Gnedin, Nickolay Y.; Baker, Emily J.; Bethell, Thomas J.; Drosback, Meredith M.; Harford, A. Gayler; Hicks, Amalia K.; Jensen, Adam G.; Keeney, Brian A.; Kelso, Christopher M.; Neyrinck, Mark C.; Pollack, Scott E.; Van Vliet, Timothy P.

In: Astrophysical Journal, Vol. 583, No. 2 I, 01.02.2003, p. 525-528.

Research output: Contribution to journalArticle

Gnedin, NY, Baker, EJ, Bethell, TJ, Drosback, MM, Harford, AG, Hicks, AK, Jensen, AG, Keeney, BA, Kelso, CM, Neyrinck, MC, Pollack, SE & Van Vliet, TP 2003, 'Linear gas dynamics in the expanding universe', Astrophysical Journal, vol. 583, no. 2 I, pp. 525-528. https://doi.org/10.1086/345424
Gnedin NY, Baker EJ, Bethell TJ, Drosback MM, Harford AG, Hicks AK et al. Linear gas dynamics in the expanding universe. Astrophysical Journal. 2003 Feb 1;583(2 I):525-528. https://doi.org/10.1086/345424
Gnedin, Nickolay Y. ; Baker, Emily J. ; Bethell, Thomas J. ; Drosback, Meredith M. ; Harford, A. Gayler ; Hicks, Amalia K. ; Jensen, Adam G. ; Keeney, Brian A. ; Kelso, Christopher M. ; Neyrinck, Mark C. ; Pollack, Scott E. ; Van Vliet, Timothy P. / Linear gas dynamics in the expanding universe. In: Astrophysical Journal. 2003 ; Vol. 583, No. 2 I. pp. 525-528.
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AU - Keeney, Brian A.

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