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Article Contents

TITLE PAGE

1.INTRODUCTION

2.EVIDENCE FOR DARK MATTER

2.1.Local Dark Matter

2.2.Spiral Galaxies

2.3.Elliptical Galaxies

2.4.Dwarf Galaxies

2.5.Groups and Clusters of Galaxies

3.BARYONIC VS NONBARYONIC DARK MATTER

3.1.Cosmological Nucleosynthesis

3.2.Microwave Anisotropies

3.3.Arguments for Baryonic Dark Matter

3.4.Variants of the Baryonic Dark Matter Scenario

4.POPULATION III STARS

4.1.Population III as the First Metal Producers

4.2.Population III as Dark Matter Producers

4.3.Expected Mass of Population III Stars

4.4.Population III Remnants

5.CONSTRAINTS ON POPULATION III

5.1.Background Light Constraints

5.2.Enrichment Constraints

5.3.Helium Constraints

5.4.Black Hole Accretion Constraints

6.DYNAMICAL CONSTRAINTS

6.1.Disk Heating by Halo Holes

6.2.Disruption of Stellar Clusters by Halo Objects

6.3.Effect of Dynamical Friction on Halo Objects

6.4.Is the Halo made of Dark Clusters?

6.5.Constraints on Dark Objects Outside Halos

7.GRAVITATIONAL LENSING EFFECTS

7.1.Macrolensing Constraints on Compact Objects

7.2.Microlensing in Macrolensed Quasars

7.3.The Effect of Microlensing on Quasar Luminosity

7.4.The Effect of Microlensing on Quasar Density

7.5.Line-to-Continuum Effects of Quasars

7.6.Microlensing of Gamma-Ray Bursts

7.7.Microlensing of Stars by Halo Objects in our own Galaxy

8THE BLACK HOLE SCENARIO

8.1.Background Light Observations

8.2.Infrared Background from VMOs

8.3.Generation of 3K Background

8.4.Gravitational Radiation from Black Holes

9.LOW MASS OBJECTS

9.1.Cooling Flows in Clusters

9.2.Pregalactic and Protogalactic Cooling Flows

9.3.M-Dwarfs vs Brown Dwarfs

9.4.Evidence from Population I and Population II

9.5.Infrared Searches for Brown Dwarfs

10.CONCLUSIONS AND FUTURE PROSPECTS

10.1.Reappraisal of Baryonic Dark Matter Candidates

10.2.Best Bet Candidates

10.3.Future Prospects

REFERENCES