Table of Contents
Lectures on large-scale structure
Outline
PPT Slide
Galaxies everywhere
The distribution of the galaxies
Redshift surveys (mid-1980s)
PPT Slide
Results from the 2dF Galaxy Redshift Survey
The 2dFGRS Team
2dFGRS input catalogue
2dFGRS geometry
PPT Slide
Going faster with fibre optics
Tiling strategy
The 2dF site
The 2dF facility
2dF on the AAT
Data pipeline: real-time X-corr z’s
Example spectra
PPT Slide
2dFGRS Redshift distribution
Redshift yield
Completeness
Survey mask
Sampling & Uniformity
Cone diagram: 4-degree wedge
PPT Slide
Gravitational instability: hierarchical collapse generates ever larger structures
Dynamics of structure formation - I
Dynamics of structure formation - II
Dynamics of structure formation - III
Statistics of cosmic density fields
Power-law spectra
Transfer function: P=knT2(k)
Fluctuations from inflation
Predictions of slow-roll inflation
Simulating structure formation
PPT Slide
PPT Slide
Forming superclusters (comoving view)
Non-gravitational caustics
Nonlinear power - discreteness
The CDM clustering problem
PPT Slide
Cone diagram: 4-degree wedge
Forming superclusters (comoving view)
The CDM clustering problem
The universe according to CDM
Galaxy formation and bias
Bias is inevitable for rare systems
Clustering as f(L): x(r) = (r/r0)-g
but how does bias depend on scale?
The halo model
Dark-matter haloes and bias
Power from haloes of different mass
Halo occupation numbers depend on mass
Origin of power-law spectrum
Measuring bias - 1: CMB
Measuring bias - 2: Bispectrum
Bispectrum results
PPT Slide
PPT Slide
PPT Slide
PPT Slide
PPT Slide
PPT Slide
Redshift-space clustering
? and ?
The CDM power spectrum
Tilt, COBE and cluster normalization
The 2dFGRS power spectrum
Transfer function
2dFGRS power-spectrum results
Effects of baryons
2dFGRS power spectrum - detail
Power spectrum and survey window
Model fitting
Tests on mock data
Confidence limits
Comparison with other data
Consistency with other constraints
Recovering LCDM
Conclusions from P(k)
Spectral classification by PCA
LFs by spectral type
2dFGRS in COLOUR
PPT Slide
PPT Slide
Redshift-space distortions and galaxy type
Power spectrum and galaxy type
Radial luminosity bias
Power spectrum: Feb 2001 vs final
Model fits: Feb 2001 vs final
Relation to CMB results
The CMB geometrical degeneracy
2dFGRS + CMB: Flatness
The CMB peak degeneracy
The tensor CMB degeneracy
Detailed constraints for flat models (CMB + 2dFGRS only: no priors)
PPT Slide
PPT Slide
PPT Slide
Effect of neutrinos
Neutrino mass limit
Vacuum equation of state (P = w rc2)
Extra relativistic components?
Summary
|