Gravitational Wave Astronomy

  1. Astrophysical Sources of Gravitational Waves
    1. Classification Framework
      1. Frequency Ranges
        1. Nanohertz Sources
          1. Millihertz Sources
            1. Audio Frequency Sources
              1. High Frequency Sources
              2. Signal Characteristics
                1. Transient Sources
                  1. Continuous Sources
                    1. Stochastic Background
                    2. Source Categories by Origin
                      1. Stellar Sources
                        1. Galactic Sources
                          1. Extragalactic Sources
                            1. Cosmological Sources
                          2. Compact Binary Coalescence
                            1. Physical Framework
                              1. Gravitational Radiation Reaction
                                1. Orbital Energy Loss
                                  1. Chirp Mass
                                    1. Reduced Mass
                                    2. Evolutionary Phases
                                      1. Inspiral Phase
                                        1. Post-Newtonian Approximation
                                          1. Frequency Evolution
                                            1. Amplitude Growth
                                              1. Orbital Decay Timescales
                                              2. Merger Phase
                                                1. Strong-Field Regime
                                                  1. Numerical Relativity Requirements
                                                    1. Peak Frequency and Amplitude
                                                    2. Ringdown Phase
                                                      1. Quasi-Normal Modes
                                                        1. Exponential Decay
                                                          1. Final Black Hole Properties
                                                        2. Binary Black Hole Systems
                                                          1. Formation Channels
                                                            1. Isolated Binary Evolution
                                                              1. Dynamical Formation in Clusters
                                                                1. Primordial Black Hole Binaries
                                                                2. Mass Ranges
                                                                  1. Stellar-Mass Black Holes
                                                                    1. Intermediate-Mass Black Holes
                                                                      1. Primordial Black Holes
                                                                      2. Spin Dynamics
                                                                        1. Aligned Spins
                                                                          1. Misaligned Spins
                                                                            1. Precession Effects
                                                                            2. Waveform Characteristics
                                                                              1. Frequency Range
                                                                                1. Duration
                                                                                  1. Signal-to-Noise Ratio
                                                                                2. Binary Neutron Star Systems
                                                                                  1. Formation Pathways
                                                                                    1. Common Envelope Evolution
                                                                                      1. Supernova Kicks
                                                                                        1. Galactic Merger Rates
                                                                                        2. Tidal Effects
                                                                                          1. Tidal Deformability
                                                                                            1. Equation of State Constraints
                                                                                              1. Tidal Disruption
                                                                                              2. Electromagnetic Counterparts
                                                                                                1. Short Gamma-Ray Bursts
                                                                                                  1. Kilonovae
                                                                                                    1. Radio Afterglows
                                                                                                      1. X-ray Emissions
                                                                                                      2. Nucleosynthesis
                                                                                                        1. R-process Elements
                                                                                                          1. Heavy Element Production
                                                                                                            1. Galactic Chemical Evolution
                                                                                                          2. Neutron Star-Black Hole Systems
                                                                                                            1. Formation Scenarios
                                                                                                              1. Mass Ratio Effects
                                                                                                                1. Tidal Disruption Conditions
                                                                                                                  1. Electromagnetic Signatures
                                                                                                                    1. Disk Formation
                                                                                                                  2. Continuous Wave Sources
                                                                                                                    1. Rotating Neutron Stars
                                                                                                                      1. Pulsar Mechanism
                                                                                                                        1. Magnetic Dipole Radiation
                                                                                                                          1. Spin-Down Rates
                                                                                                                            1. Glitch Phenomena
                                                                                                                            2. Asymmetric Neutron Stars
                                                                                                                              1. Crustal Mountains
                                                                                                                                1. Elastic Deformations
                                                                                                                                  1. Maximum Mountain Heights
                                                                                                                                    1. Strain Limits
                                                                                                                                    2. Magnetic Field Asymmetries
                                                                                                                                      1. Magnetic Dipole Misalignment
                                                                                                                                        1. Magnetic Pressure Effects
                                                                                                                                        2. Thermal Asymmetries
                                                                                                                                          1. Temperature Gradients
                                                                                                                                            1. Convection Effects
                                                                                                                                          2. Search Strategies
                                                                                                                                            1. All-Sky Searches
                                                                                                                                              1. Targeted Searches
                                                                                                                                                1. Directed Searches
                                                                                                                                                  1. Coherent Integration Methods
                                                                                                                                                2. Stochastic Gravitational Wave Background
                                                                                                                                                  1. Astrophysical Background
                                                                                                                                                    1. Unresolved Binary Mergers
                                                                                                                                                      1. Population Synthesis Models
                                                                                                                                                        1. Frequency Spectrum
                                                                                                                                                          1. Anisotropy
                                                                                                                                                          2. Cosmological Background
                                                                                                                                                            1. Inflationary Gravitational Waves
                                                                                                                                                              1. Tensor Perturbations
                                                                                                                                                                1. Primordial Spectrum
                                                                                                                                                                  1. B-mode Polarization Connection
                                                                                                                                                                  2. Cosmic Strings
                                                                                                                                                                    1. Formation Mechanisms
                                                                                                                                                                      1. Network Evolution
                                                                                                                                                                        1. Gravitational Wave Emission
                                                                                                                                                                        2. First-Order Phase Transitions
                                                                                                                                                                          1. Electroweak Phase Transition
                                                                                                                                                                            1. QCD Phase Transition
                                                                                                                                                                              1. Beyond Standard Model Transitions
                                                                                                                                                                              2. Primordial Black Hole Formation
                                                                                                                                                                                1. Density Perturbations
                                                                                                                                                                                  1. Gravitational Collapse
                                                                                                                                                                                    1. Mass Function Effects
                                                                                                                                                                                2. Burst Sources
                                                                                                                                                                                  1. Core-Collapse Supernovae
                                                                                                                                                                                    1. Explosion Mechanisms
                                                                                                                                                                                      1. Neutrino-Driven Explosions
                                                                                                                                                                                        1. Magnetorotational Explosions
                                                                                                                                                                                          1. Pair-Instability Supernovae
                                                                                                                                                                                          2. Gravitational Wave Signatures
                                                                                                                                                                                            1. Bounce Signal
                                                                                                                                                                                              1. Convection
                                                                                                                                                                                                1. Standing Accretion Shock Instability
                                                                                                                                                                                                  1. Neutron Star Formation
                                                                                                                                                                                                2. Neutron Star Instabilities
                                                                                                                                                                                                  1. Magnetar Flares
                                                                                                                                                                                                    1. Starquakes
                                                                                                                                                                                                      1. Magnetic Reconnection
                                                                                                                                                                                                        1. Crust Fracturing
                                                                                                                                                                                                        2. Pulsar Glitches
                                                                                                                                                                                                          1. Sudden Spin-Up Events
                                                                                                                                                                                                            1. Vortex Unpinning
                                                                                                                                                                                                          2. Exotic Sources
                                                                                                                                                                                                            1. Cosmic String Cusps
                                                                                                                                                                                                              1. Black Hole Formation
                                                                                                                                                                                                                1. Boson Star Collapse

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                                                                                                                                                                                                            1. Foundational Physics of Gravity and Spacetime

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                                                                                                                                                                                                            3. Detection Methods and Technologies