Part 1. Theory and Formalism
Chapter 1. Statistical Background of Kappa Distributions: Connection With Nonextensive Statistical Mechanics
- 1.1. Summary
- 1.2. Introduction
- 1.3. Mathematical Motivation
- 1.4. Nonextensive Statistical Mechanics, in Brief!
- 1.5. Entropy Maximization
- 1.6. Connection of Kappa Distributions With Nonextensive Statistical Mechanics
- 1.7. Structure of the Kappa Distribution
- 1.8. The Concept of Temperature
- 1.9. The Concept of the Kappa (or q) Index
- 1.10. Concluding Remarks
- 1.11. Science Questions for Future Research
Chapter 2. Entropy Associated With Kappa Distributions
- 2.1. Summary
- 2.2. Introduction
- 2.3. The Role and Impact of Scale Parameters in the Entropic Formulation
- 2.4. Derivation of the Entropic Formula for Velocity Kappa Distributions
- 2.5. Entropy for Isothermal Transitions Between Stationary States
- 2.6. The Discrete Dynamics of Transitions Between Stationary States
- 2.7. Concluding Remarks
- 2.8. Science Questions for Future Research
Chapter 3. Phase Space Kappa Distributions With Potential Energy
- 3.1. Summary
- 3.2. Introduction
- 3.3. The Hamiltonian Distribution
- 3.4. Normalization of the Phase Space Kappa Distribution
- 3.5. Marginal Distributions
- 3.6. Mean Kinetic Energy in the Presence of a Potential Energy
- 3.7. Degeneration of the Kappa Index in the Presence of a Potential Energy
- 3.8. Local Kappa Distribution
- 3.9. Negative Potentials
- 3.10. Gravitational Potentials
- 3.11. Potentials with Angular Dependence
- 3.12. Potentials Forming Anisotropic Distribution of Velocity
- 3.13. Concluding Remarks
- 3.14. Science Questions for Future Research
Chapter 4. Formulae of Kappa Distributions: Toolbox
- 4.1. Summary
- 4.2. Introduction
- 4.3. Isotropic Distributions (Without Potential) (Livadiotis and McComas, 2009; 2011b)
- 4.4. Anisotropic Distributions (Without Potential)
- 4.5. Distributions With Potential
- 4.6. Multiparticle Distributions
- 4.7. Non-Euclidean–Normed Distributions (Livadiotis, 2007, 2008, 2012, 2016b)
- 4.8. Discrete Distributions (Tsallis et al., 1998)
- 4.9. Concluding Remarks
- 4.10. Science Questions for Future Research
Part 2. Plasma Physics
Chapter 5. Basic Plasma Parameters Described by Kappa Distributions
- 5.1. Summary
- 5.2. Introduction
- 5.3. Polytropes
- 5.4. Correlation Between Particle Energies
- 5.5. Debye Length in Equilibrium and Nonequilibrium Plasmas
- 5.6. Electrical Conductivity
- 5.7. Collision Frequency and Mean Free Path
- 5.8. Magnetization: The Curie Constant
- 5.9. Large-Scale Quantization Constant
- 5.10. Concluding Remarks
- 5.11. Science Questions for Future Research
Chapter 6. Superstatistics: Superposition of Maxwell–Boltzmann Distributions
- 6.1. Summary
- 6.2. Introduction: Dynamical Creation of Kappa Distributions
- 6.3. Timescale Separation in Nonequilibrium Situations
- 6.4. Typical Universality Classes for f(β)
- 6.5. Asymptotic Behavior for Large Energies
- 6.6. Universality for Not Too Large Energies ε
- 6.7. From Measured Time Series to Superstatistics
- 6.8. Some Examples of Applications
- 6.9. Concluding Remarks
- 6.10. Science Questions for Future Research
Chapter 7. Linear Kinetic Waves in Plasmas Described by Kappa Distributions
- 7.1. Summary
- 7.2. Introduction
- 7.3. Plasma Dielectric Tensor and the Dispersion Relation
- 7.4. Kappa Velocity Distribution Plasma Waves at Parallel Propagation (ϑ=0)
- 7.5. Kappa Velocity Distribution Plasma Waves at Oblique Propagation (ϑ ≠ 0)
- 7.6. Concluding Remarks
- 7.7. Science Questions for Future Research
Chapter 8. Nonlinear Wave–Particle Interaction and Electron Kappa Distribution
- 8.1. Summary
- 8.2. Introduction
- 8.3. Plasma Weak Turbulence Theory
- 8.4. Turbulent Quasiequilibrium and Kappa Electron Distribution
- 8.5. Concluding Remarks
- 8.6. Science Questions for Future Research
Chapter 9. Solitary Waves in Plasmas Described by Kappa Distributions
- 9.1. Summary
- 9.2. Introduction: Observations and Origin of Suprathermal Electrons
- 9.3. Model of Ion-Acoustic Solitons and Double Layers in Plasmas With Suprathermal Electrons
- 9.4. Model for Electron-Acoustic Solitons in Plasmas With Suprathermal Electrons
- 9.5. Concluding Remarks
- 9.6. Science Questions for Future Research
Part 3. Applications in Space Plasmas
Chapter 10. Ion Distributions in Space Plasmas
- 10.1. Summary
- 10.2. Introduction
- 10.3. Formulations of Ion Kappa Distributions
- 10.4. Toward Antiequilibrium, the Farthest State From Thermal Equilibrium
- 10.5. Arrangement of the Stationary States
- 10.6. Interpreting the Observations
- 10.7. Concluding Remarks
- 10.8. Science Questions for Future Research
Chapter 11. Electron Distributions in Space Plasmas
- 11.1. Summary
- 11.2. Introduction: Observations and Origins of Suprathermal Electrons
- 11.3. Coronal Heating by Velocity Filtration Due to Suprathermal Electrons
- 11.4. Heat Flux
- 11.5. Influence of Suprathermal Electrons on the Acceleration of Escaping Particles
- 11.6. Concluding Remarks
- 11.7. Science Questions for Future Research
Chapter 12. The Kappa-Shaped Particle Spectra in Planetary Magnetospheres
- 12.1. Summary
- 12.2. Introduction
- 12.3. Measuring and Interpreting the Kappa Distribution in Space Plasmas
- 12.4. Kappa Distribution in the Magnetospheres of the Gas Giant Planets
- 12.5. Kappa Distribution in the Magnetospheres of the Terrestrial Planets
- 12.6. Are Kappa Distributions Useful for Magnetospheric Research?
- 12.7. Concluding Remarks
- 12.8. Science Questions for Future Research
Chapter 13. Kappa Distributions and the Solar Spectra: Theory and Observations
- 13.1. Summary
- 13.2. Introduction
- 13.3. Synthetic Line and Continuum Intensities
- 13.4. Plasma Diagnostics From Emission Line Spectra
- 13.5. Differential Emission Measures for Kappa Distributions
- 13.6. Concluding Remarks
- 13.7. Science Questions for Future Research
Chapter 14. Importance of Kappa Distributions to Solar Radio Bursts
- 14.1. Summary
- 14.2. Introduction
- 14.3. Qualitative Aspects for the Generation and Damping of Plasma Waves and Radio Emissions
- 14.4. Type III Bursts, Electron Beams, and Langmuir Waves
- 14.5. Type II Bursts, Shocks, and Electron Reflections
- 14.6. Concluding Remarks
- 14.7. Science Questions for Future Research
Chapter 15. Common Spectrum of Particles Accelerated in the Heliosphere: Observations and a Mechanism
- 15.1. Summary
- 15.2. Introduction
- 15.3. Observations
- 15.4. Acceleration Mechanism That Yields the Common Spectrum
- 15.5. Applications of the Pump Acceleration Mechanism
- 15.6. Concluding Remarks
- 15.7. Science Questions for Future Research
Chapter 16. Formation of Kappa Distributions at Quasiperpendicular Shock Waves
- 16.1. Summary
- 16.2. Introduction
- 16.3. Upstream Distributions and Their Transmission Through Quasiperpendicular Shocks
- 16.4. Velocity Distribution Function Downstream of a Quasiperpendicular Shock
- 16.5. Simulations
- 16.6. Observational Tests
- 16.7. Dissipation and Particle Acceleration at Quasiperpendicular Shocks
- 16.8. Concluding Remarks
- 16.9. Science Questions for Future Research
Chapter 17. Electron Kappa Distributions in Astrophysical Nebulae
- 17.1. Summary
- 17.2. Introduction
- 17.3. Are Energy Kappa Distributions Present in Astrophysical Nebulae?
- 17.4. Ionization Structures in an HII Region
- 17.5. Magnetic Structures in HII Regions
- 17.6. Nebular Spectral Lines
- 17.7. Atomic Energy Levels and Kappa Distribution
- 17.8. Diagnostics for the Kappa Index
- 17.9. Modeling of Photoionized Nebulae
- 17.10. Other Applications of Kappa Distributions in Astrophysical Nebulae
- 17.11. Alternative Explanations of Abundance Discrepancy
- 17.12. Concluding Remarks
- 17.13. Science Questions for Future Research
Appendix A: Abbreviations
Appendix B. Main Symbols