Preface page xi 1 Introduction 1 2 Fundamental Observations 6 2.1 The Night Sky is Dark 6 2.2 The Universe is Isotropic and Homogeneous 9 2.3 Redshift is Proportional to Distance 12 2.4 Different Types of Particles 18 2.5 Cosmic Microwave Background 23 Exercises 25 3 Newton versus Einstein 27 3.1 The Way of Newton 28 3.2 The Special Way of Einstein 29 3.3 The General Way of Einstein 34 3.4 Describing Curvature 37 3.5 The Robertson–Walker Metric 41 3.6 Proper Distance 43 Exercises 47 4 Cosmic Dynamics 49 4.1 Einstein’s Field Equation 50 4.2 The Friedmann Equation 52 4.3 The Fluid and Acceleration Equations 58 4.4 Equations of State 60 4.5 Learning to Love Lambda 63 Exercises 67 5 Model Universes 69 5.1 Evolution of Energy Density 69 5.2 Empty Universes 74 5.3 Single-component Universes 77 5.3.1 Matter only 80 5.3.2 Radiation only 81 5.3.3 Lambda only 83 5.4 Multiple-component Universes 84 5.4.1 Matter + Curvature 86 5.4.2 Matter + Lambda 90 5.4.3 Matter + Curvature + Lambda 92 5.4.4 Radiation + Matter 95 5.5 Benchmark Model 96 Exercises 100 6 Measuring Cosmological Parameters 102 6.1 “A Search for Two Numbers” 102 6.2 Luminosity Distance 106 6.3 Angular-diameter Distance 110 6.4 Standard Candles and H0 114 6.5 Standard Candles and Acceleration 116 Exercises 121 7 Dark Matter 123 7.1 Visible Matter 123 7.2 Dark Matter in Galaxies 128 7.3 Dark Matter in Clusters 130 7.4 Gravitational Lensing 135 7.5 What’s the Matter? 139 Exercises 140 8 The Cosmic Microwave Background 142 8.1 Observing the CMB 143 8.2 Recombination and Decoupling 147 8.3 The Physics of Recombination 150 8.4 Temperature Fluctuations 157 8.5 What Causes the Fluctuations? 159 Exercises 164 9 Nucleosynthesis and the Early Universe 166 9.1 Nuclear Physics and Cosmology 167 9.2 Neutrons and Protons 169 9.3 Deuterium Synthesis 174 9.4 Beyond Deuterium 177 9.5 Baryon–Antibaryon Asymmetry 181 Exercises 183 10 Inflation and the Very Early Universe 185 10.1 The Flatness Problem 186 10.2 The Horizon Problem 187 10.3 The Monopole Problem 189 10.4 The Inflation Solution 192 10.5 The Physics of Inflation 197 Exercises 202 11 Structure Formation: Gravitational Instability 204 11.1 The Matthew Effect 206 11.2 The Jeans Length 209 11.3 Instability in an Expanding Universe 213 11.4 The Power Spectrum 217 11.5 Hot versus Cold 221 11.6 Baryon Acoustic Oscillations 226 Exercises 230 12 Structure Formation: Baryons and Photons 232 12.1 Baryonic Matter Today 233 12.2 Reionization of Hydrogen 235 12.3 The First Stars and Quasars 238 12.4 Making Galaxies 242 12.5 Making Stars 248 Exercises 254 Epilogue 256 Table of Useful Constants 258 Index 259
内容摘要 《Introduction to Cosmology(2nd Edition)(宇宙学导论 第二版)(影印版)》讲解了现代宇宙学的基本概念,包括广义相对论、大爆炸宇宙学、暴胀理论、暗能量等等。本书的写法深入浅出,既介绍了宇宙的基本性质,又讲解了背后深刻的物理。本书的前一版广受好评,还获得了一些奖项的肯定。本书的第二版对于狭义和广义相对论的介绍作了加强,并且包括了很多新的观测和理论研究,比如关于暗能量的研究成果。特别地,还增加了全新的一章来讨论重子物质。本书适合物理学及天文学领域的研究生和高年级本科生阅读,也适用于科研工作者参考。