Definizione di plasma. I plasmi di laboratorio e spaziali. Comportamento collettivo e frequenza di plasma. Ruolo delle collisioni, analogie e differenze con i fluidi. Teoria di campo medio per i plasmi. L’equazione di Vlasov. Modello fluido e variabili macroscopiche. Teoria cinetica. Damoind di Landau e intrappolamento. Regimi di plasma e comportamento multi-scala. La pressione nei plasmi. La teoria magnetoidrodinamica, equilibrio, stabilità. Introduzione alla teoria di singola particella e drift di particella. La turbolenza nei fluidi, teoria fenomenologica.
Plasma definition. Laboratory and space plasmas. Collective behavior and plasma frequency. Role of collisions, similarities and differences with fluids. Mean field theory for plasmas. The Vlasov equation. Plasma kinetic theory. Landau damping, trapping. Fluid model and macroscopic variables. Plasma regimes and multi-scale behavior. The pressure in plasmas. The theory of magnetohydrodynamics, equilibrium, stability, waves. Magnetic reconnection Instability. Introduction to single particle and particle drift. Turbulence in fluids, phenomenological theory.
Testi i base:
1. Krall and A.W.Trivelpiece, Principles of Plasma Physics, McGraw-Hill, New and St. Louis, 1973;
2. Boyd, T.J.M & Sanderson, J.J, "The Physics of Plasma", Cambridge University Press (2003)
3. G. Pucella, S. Segre, Fisica dei Plasmi, Zanichelli, 2009; Lesieur M., Turbulence in Fluids, Springer
MODALITA’ SVOLGIMENTO ESAME:
Esame orale.
Plasma definition. Laboratory and space plasmas. Collective behavior and plasma frequency. Role of collisions, similarities and differences with fluids. Mean field theory for plasmas. The Vlasov equation. Plasma kinetic theory. Landau damping, trapping. Fluid model and macroscopic variables. Plasma regimes and multi-scale behavior. The pressure in plasmas. The theory of magnetohydrodynamics, equilibrium, stability, waves. Magnetic reconnection Instability. Introduction to single particle and particle drift. Turbulence in fluids, phenomenological theory.
Testi i base:
1. Krall and A.W.Trivelpiece, Principles of Plasma Physics, McGraw-Hill, New and St. Louis, 1973;
2. Boyd, T.J.M & Sanderson, J.J, "The Physics of Plasma", Cambridge University Press (2003)
3. G. Pucella, S. Segre, Fisica dei Plasmi, Zanichelli, 2009; Lesieur M., Turbulence in Fluids, Springer
MODALITA’ SVOLGIMENTO ESAME:
Esame orale.
- Teacher: FRANCESCO CALIFANO