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Updated: May 27, 2026
10:37
Spatial Separation of Molecular Conformers and Clusters
Published on: January 9, 2014
Redshift-space distortions.
Will J Percival1, Lado Samushia, Ashley J Ross
1Institute of Cosmology and Gravitation, University of Portsmouth, Dennis Sciama Building, Portsmouth PO1 3FX, UK. will.percival@port.ac.uk
Summary
Redshift-space distortions (RSDs) measurements from upcoming galaxy surveys will precisely test general relativity on large scales. Analyzing RSDs requires correcting for systematic effects to maximize cosmological insights.
Area of Science:
- Cosmology
- Astrophysics
- General Relativity
Background:
- Redshift-space distortions (RSDs) are a known effect in galaxy surveys.
- Linear theory of RSDs has been established for 25 years.
- RSDs have been observed in numerous galaxy surveys.
Purpose of the Study:
- To review RSD theory and its ubiquity.
- To analyze potential systematic effects in future high-precision RSD measurements.
- To prepare for next-generation galaxy surveys.
Main Methods:
- Review of established RSD theory.
- Analysis of systematic deviations from basic RSD models.
- Highlighting recent research on RSDs.
Main Results:
- RSDs are ubiquitous in galaxy distribution.
- High-precision RSD measurements from future surveys will require careful correction of systematic effects.
- Future surveys will yield unprecedented data for cosmological tests.
Conclusions:
- RSD measurements offer powerful tests of general relativity on large scales.
- Understanding and correcting systematic effects is crucial for future RSD studies.
- Next-generation galaxy surveys will significantly advance our understanding of cosmology.
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