1 The Standard Model and Beyond
1.1 The Expanding Universe
1.2 The Hubble Diagram
1.3 Big Bang Nucleosynthesis
1.4 The Cosmic Microwave Background
1.5 Beyond the Standard Model
1.6 Summary
Exercises
2 The Smooth, Expanding Universe
2.1 General Relativity
2.1.1 The Metric
2.1.2 The Geodesic Equation
2.1.3 Einstein Equations
2.2 Distances
2.3 Evolution of Energy
2.4 Cosmic Inventory
2.4.1 Photons
2.4.2 Baryons
2.4.3 Matter
2.4.4 Neutrinos
2.4.5 Dark Energy
2.4.6 Epoch of Matter-Radiation Equality
2.5 Summary
Exercises
Beyond Equilibrium
3.1 Boltzmann Equation for Annihilation
3.2 Big Bang Nucleosynthesis
3.2.1 Neutron Abundance
3.2.2 Light Element Abundances
3.3 Recombination
3.4 Dark Matter
3.5 Summary
Exercises
4 The Boltzmann Equations
4.1 The Boltzmann Equation for the Harmonic Oscillator
4.2 The Collisionless Boltzmann Equation for Photons
4.2.1 Zero-Order Equation
4.2.2 First-Order Equation
4.3 Collision Terms: Compton Scattering
4.4 The Boltzmann Equation for Photons
4.5 The Boltzmann Equation for Cold Dark Matter
4.6 The Boltzmann Equation for Baryons
4.7 Summary
Exercises
5 Einstein Equations
5.1 The Perturbed Ricci Tensor and Scalar
5.1.1 Christoffel Symbols
5.1.2 Ricci Tensor
5.2 Two Components of the Einstein Equations
5.3 Tensor Perturbations
5.3.2 Ricci Tensor for Tensor Perturbations
5.3.3 Einstein Equations for Tensor Perturbations
5.4 The Decomposition Theorem
5.5 From Gauge to Gauge
5.6 Summary
Exercises
6 Initial Conditions
6.1 The Einstein-Boltzmann Equations at Early Times
6.2 The Horizon'
6.3 Inflation
6.3.1 A Solution to the Horizon Problem
6.3.2 Negative Pressure
6.3.3 Implementation with a Scalar Field
6.4 Gravity Wave Production
6.4.1 Quantizing the Harmonic Oscillator
6.4.2 Tensor Perturbations
6.5 Scalar Perturbations
6.5.1 Scalar Field Perturbations around a Smooth Background
6.5.2 Super-Horizon Perturbations
6.5.3 Spatially Flat Slicing
6.6 Summary and Spectral Indices
Exercises
7 Inhomogeneities
7.1 Prelude
7.1.1 Three Stages of Evolution
7.1.2 Method
7.2 Large Scales
7.2.1 Super-horizon Solution
7.2.2 Through Horizon Crossing
7.3 Small Scales
7.3.1 Horizon Crossing
7.3.2 Sub-horizon Evolution
7.4 Numerical Results and Fits
7.5 Growth Function
7.6 Beyond Cold Dark Matter
7.6.1 Baryons
7.6.2 Massive Neutrinos
7.6.3 Dark Energy
Exercises
8 Anisotropies
8.1 Overview
8.2 Large-Scale Anisotropies
8.3 Acoustic Oscillations
8.3.1 Tightly Coupled Limit of the Boltzmann Equations
8.3.2 Tightly Coupled Solutions
8.4 Diffusion Damping
8.5 Inhomogeneities to Anisotropies
8.5.1 Free Streaming
8.5.2 The Cl's
8.6 The Anisotropy Spectrum Today
8.6.1 Sachs-Wolfe Effect
8.6.2 Small Scales
8.7 Cosmological Parameters
8.7.1 Curvature
8.7.2 Degenerate Parameters
8.7.3 Distinct Imprints
Exercises
9 Probes of Inhomogeneities
9.1 Angular Correlations
9.2 Peculiar Velocities
9.3 Direct Measurements of Peculiar Velocities
9.4 Redshift Space Distortions
9.5 Galaxy Clusters
Exercises
10 Weak Lensing and Polarization
10.1 Gravitational Distortion of Images
10.2 Geodesics and Shear
10.3 Ellipticity as an Estimator of Shear
10.4 Weak Lensing Power Spectrum
10.5 Polarization: The Quadrupole and the Q/U Decomposition
10.6 Polarization from a Single Plane Wave
10.7 Boltzmann Solution
10.8 Polarization Power Spectra
10.9 Detecting Gravity Waves
Exercises
11 Analysis
11.1 The Likelihood Function
11.1.1 Simple Example
11.1.2 CMB Likelihood
11.1.3 Galaxy Surveys
11.2 Signal Covariance Matrix
11.2.1 CMB Window Functions
11.2.2 Examples of CMB Window Functions
11.2.3 Window Functions for Galaxy Surveys
11.2.4 Summary
11.3 Estimating the Likelihood Function
11.3.1 Karhunen-Loeve Techniques
11.3.2 Optimal Quadratic Estimator
11.4 The Fisher Matrix: Limits and Applications
11.4.1 CMB
11.4.2 Galaxy Surveys
11.4.3 Forecasting
11.5 Mapmaking and Inversion
11.6 Systematics
11.6.1 Foregrounds
11.6.2 Mode Subtraction
Exercises
A Solutions to Selected Problems
B Numbers
B.1 Physical Constants
B.2 Cosmological Constants
C Special Functions
C.1 Legendre Polynomials
C.2 Spherical Harmonics
C.3 Spherical Bessel Functions
C.4 Fourier Transforms
C.5 Miscellaneous
D Symbols Bibliography
Index
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