Reprinted with kind permission from , 4139 El
Camino Way, Palo Alto, California, USA
THE COSMOLOGICAL CONSTANT
Sean M. Carroll and William H. Press
Harvard-Smithsonian Center for Astrophysics, Cambridge,
Massachusetts 02138
Edwin L. Turner
Princeton University Observatory, Princeton, New
Jersey 08544
Key Words: general relativity, vacuum energy, age of universe, galaxy
counts, gravitational lenses
Table of Contents
INTRODUCTION
- WHY A COSMOLOGICAL CONSTANT SEEMS INEVITABLE
- EFFECTS OF A NON-ZERO COSMOLOGICAL CONSTANT
- Expansion Dynamics
- The Age of the Universe
- Distance Measures
- Cornering Density of Objects
- Growth of Linear Perturbations
- Gravitational Lens Probabilities
- OBSERVATIONAL STATUS OF THE COSMOLOGICAL
CONSTANT
- Existence of High-Redshift Objects
- Age Concordance: Globular Clusters and Cosmic
Nuclear Data
- Galaxy Counts as a Function of Redshift or
Apparent Magnitude
- Dynamical Tests of
- Quasar Absorption Line Statistics
- Gravitational Lensing
- Astrophysics of Distant Objects
- POSSIBLE SOLUTIONS TO THE PHYSICIST'S
COSMOLOGICAL CONSTANT PROBLEM
- Wormholes and the Cosmological Constant
- Other Explanations
- CONCLUSIONS
- REFERENCES
