The following lecture topics were covered in class. Notes have been posted where available.
Introduction and Basic Transport Concepts
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Form of Transport Equations
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Random Walk Picture -- Guiding Centers
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Coulomb Cross Section and Estimate
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Fusion Numbers: (a) Banana Diffusion, (b) Bohm and Gyro-Bohm Diffusion
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Transport Matrix Structure: (a) Onsager Symmetry
Diffusion Equation Solutions and Scaling
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Initial Value Problem
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Steady State Heating Problem (temperature) w/ Power Source
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Density Behavior: (a) Include Pinch Effect
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Magnetic Field Diffusion
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Velocity Space Diffusion: (a) Relaxation Behavior w/o Friction, (b) Need for Friction in Equilibration
Coulomb Collision Operator Derivation
Coulomb Collision Operator Derivation II
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Calculation of Fokker-Planck Coefficients
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Debye Cutoff: (a) Balescu-Lenard form and (b) Completely Convergent Form
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Collision Operator Properties: (a) Conservation Laws, (b) Positivity, (c) H-Theorem
Coulomb Collision Operator Derivation III
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Electron-ion Lorentz Operator
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Energy Equilibration Terms
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Electrical Conductivity - The Spitzer-Harm Problem: (a) Example of Transport Theory Calculation
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Runaway Electrons
Classical (collisional) Transport in Magnetized Plasma
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Moment Equations
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Expansion About Local Thermal Equilibrium (Electron Transport)
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Linear Force/Flux Relations
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Transport Coefficients: Dissipative and Non-dissipative Terms
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Physical Picture of Non-dissipative Terms: (a) "Diamagnetic" Flow Terminology and Physics from Pressure Balance and Show that Bin < Bout, (b) "Magnetization" Flow Terminology from FLR, J=Curl M
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Physical Picture of Dissipative Flows: (a) Guiding Center Scattering, (b) Random Walk
Classical Transport in Guiding Center Picture
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Alternate formulation displays microscopic physics more clearly (needs Gyrofrequency >> Collision Frequency)
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Follows Hierarchy of Relaxation Processes - "Collisionless Relaxation"
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Transformation to Guiding Center Variables: (a) Physical Interpretation
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Gyro-averaged Kinetic Equation IS Drift Kinetic Equation
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Gyro-averaged Collision Operator: Spatial KINETIC Diffusion of Guiding Center
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Transport Theory Ordering
Classical Transport in Guiding Center Picture II
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Expansion of Distribution Function and Kinetic Equation: (a) Maximal Ordering (Math and Physics)
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Zero Order Distribution - Local Maxwellian
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1st order - Generalized Spitzer problem: (a) Inversion of (Velocity Space) (b) Collision Operator, (c)Integrability Conditions and Identification of Thermodynamic Forces
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2nd order - Transport Equations: (a) Integrability Conditions Yield Transport Equations, (c) Complete Specification of Zero Order f
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Transport Coefficient Evaluations: (a) Equivalence to Prior Results
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Physical Picture of Flows: (a) Guiding Center Flows and "Magnetization" Flows
Random (Stochastic) Processes, Fluctuation, etc. (Intro.)
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Probability and Random Variables
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Ensemble Averages
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Stochastic Processes: (a) Fluctuating Electric Fields, (b) Correlation Functions, (c) Stationary Random Process
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Integrated Stochastic Process - Diffusion: (a) Example of Integral of Electric Field Fluctuations giving Velocity Diffusion, (b) Integrated Diffusion Process
Distribution Function of Fluctuations
Fluctuation Spectra – Representation of Fields
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Fourier Representation of Random Variable: (a) Mapping of "All Curves" to Set of All Fourier Coefficients, (b) Fourier Spectral Properties for Stationary Process, (c) Equivalence of "Random Phase Approximation"
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Physical Interpretation in Terms of Waves
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Definition of Spectrum as FT of Correlation Function
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Generalize to Space & Time Dependent Fields: (a) Statistical "Homogeneity"
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Continuum Limit Rules
Diffusion Coefficient from Fluctuation Spectrum
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Stochastic Process Evaluation of Particle Velocity Diffusion Coefficient from Homogeneous, Stationary Electric Field Fluctuation Spectrum
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Physical Interpretation via Resonant Waves
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Superposition of Dressed Test Particles - Field Fluctuations
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Diffusion (Tensor) from Discreteness Fluctuations - Collision Operator
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Correlation Time Estimates
Turbulent Transport – Drift Waves
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Space Diffusion of Guiding Center from Potential Fluctuations and ExB Drift
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Estimates and Scalings from Drift Wave Characteristics: (a) Bohm scaling, (b) Gyro-Bohm Scaling from Realistic Saturated Turbulence Level
Coulomb Collision Operator Properties
Full Classical Transport in Magnetized Plasma Cylinder
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Includes Ion and Impurity Transport
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Estimates and Orderings for Electron and Ion Processes
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Ambipolarity and Two "Mantra" of Classical Transport: (a) "Like Particle Collisions Produce no Particle Flux", (b) "Collisional Transport is Intrinsically Ambipolar", (c) Microscopic Proof of Mantra for Binary Collisions
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Moment Equation Expressions for Perpendicular Flows: (a) Flux-Friction Relations, (b) Leading Order Approximations
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Particle Flux Relations
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Non-Ambipolar Fluxes, Viscosity, Plasma Rotation: (a) Limits to Mantra, Calculation of Ambipolar Field, (b) Impurity Transport, and Steady State Profiles
Fast ion Collisions, Alpha Slowing Down and Fusion Alpha Distribution
Like-Particle Collisional Transport
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Ion Thermal Conduction Calculation
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Guiding Center Picture Calculation
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Heat Flux - Heat Friction Relation
Neoclassical Transport
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Introductory concepts: (a) Particle orbits and Magnetic Geometry, (b) Particle Mean Flux Surface, Moments, Flows and Currents
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Tokamak Orbit Properties: (a) Trapped Particle Fraction, (b) Bounce Time (Circulation Time)
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Bounce Averages
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Tokamak Moments and Flux-Surface averages: (a) Constant of Motion variables, (b) Moments @ Fixed Space Position, (c) Flux-Surface Averaged Moments, (d) Bootstrap Current (Magnetization Piece)
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Moment Relations and Definitions
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Bounce Average Kinetic Equation Derivation
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Perturbation Theory for The "Banana" Regime
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Banana Regime Transport Theory: (a) Particle Moment, (b) Energy Moment, (c) Toroidal Current, (d) Transport Coefficient Formalism
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Structure of the Transport Matrix: (a) Onsager Symmetry
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Evaluation of Neoclassical Transport
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Analytic Details of Thermal Conduction Calculation Including Complete Expression
Ware Pinch Effect
Magnetization Bootstrap Current
Simplified Implicit Transport Coefficient
Diagonal Transport Coefficients
Onsager Symmetry of Transport Coefficients