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Contents

TITLE PAGE

1. DARK MATTER AND STRUCTURE FORMATION

1.1. Introduction

1.2. Cosmology Basics

1.2.1. Friedmann-Robertson-Walker Universes

1.2.2. Is the Gravitational Force r^-1 at Large r ?

1.3. Age, Expansion Rate, and Cosmological Constant

1.3.1. Age of the Universe t₀

1.3.2. Hubble Parameter H₀

1.3.2.1. Relative Distance Methods

1.3.2.2. Fundamental Physics Approaches

1.3.2.3. Correcting for Virgocentric Infall

1.3.3. Cosmological Constant

1.4. Measuring ₀

1.4.1. Very Large Scale Measurements

1.4.2. Large-scale Measurements

1.4.3. Measurements on Scales of a Few Mpc

1.4.4. Estimates on Galaxy Halo Scales

1.4.5. Cluster Baryons vs. Big Bang Nucleosynthesis

1.4.6. Cluster Morphology and Evolution

1.4.7. Early Structure Formation

1.4.8. Conclusions Regarding

1.5. Dark-Matter Particles

1.5.1. Hot, Warm, and Cold Dark Matter

1.5.2. Cold Dark Matter

1.5.2.1. Axions

1.5.2.2. Supersymmetric WIMPs

1.5.2.3. MACHOs

1.5.3. Hot Dark Matter: Data on Neutrino Mass

1.6. Origin of Fluctuations: Inflation and Topological Defects

1.6.1. Topological Defects

1.6.2. Cosmic Inflation: Introduction

1.6.3. Inflation and the Origin of Fluctuations

1.6.4. Eternal Inflation

1.6.5. A Supersymmetric Inflation Model

1.6.6. Inflation with ₀ < 1

1.6.7. Inflation Summary

1.7. Comparing DM Models to Observations: CDM vs. CHDM

1.7.1. Building a Cosmology: Overview

1.7.2. Lessons from Warm Dark Matter

1.7.3. CDM vs. CHDM - Linear Theory

1.7.4. Numerical Simulations to Probe Smaller Scales

1.7.5. CHDM: Early Structure Troubles?

1.7.6. Advantages of Mixed CHDM Over Pure CDM Models

1.7.7. Best Bet CDM-Type

References

Chapter Contents