The Large-Scale Structure of the Universe: Dark and Luminous Matters
A special issue of Galaxies (ISSN 2075-4434).
Deadline for manuscript submissions: closed (10 November 2022) | Viewed by 2192
Special Issue Editors
Interests: dark matter structure and evolution; galaxy clusters
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
The large-scale structure of the universe results from the gravitational clustering of matter, which is dominated by dark matter (~84%) with the ordinary matter only occupying about 16% under the standard LCDM model. Matter assembles under gravitational attraction to form gravitationally-bound structures—halos, of which the largest one formed the last under the hierarchical structure formation. On a large scale, matter distributes in four different patterns: very dense nodes, filaments that connect nodes to form web-like structures, sheets (wall-like structures), and the lowest density regions of voids. Now we avail excellent data to test the theory. On one hand, we have observational galaxy data (2dFGRS, SDSS, etc.), and on the other hand we have numerical simulations, which have evolved to such a stage that is possible to simulate both the dark and the baryonic matters down to galactic-scale resolution.
Despite the coined expression of “precision cosmology”, there are many open questions in the standard theory of large-scale structure that have no precise answers, especially at the point where theory meets observation. In this Special Issue, we want to focus on the distributions of luminous and dark matters from low to high redshift, as well as the connections between the two. More importantly, does the theory predict what we observe?
Prof. Dr. Jose Gaite
Dr. Weiguang Cui
Guest Editors
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Keywords
- luminous and dark matters
- large-scale structure
- observational cosmology
- data analysis and numerical simulations
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