1. "Noisy." - 1963
2. The New Experiments

3. The Kroemer's Model

4. Numerical Simulations

3.1 Multi-dimensional formulation

Variables and Equations:


Boundary conditions:


where                                                                           and
   


3.2 One-Dimensional Formulation

Numerical Simulations: link
Asymptotic Analysis: [Refs]

3.3 Axisymmetric Formulation

Numerical Simulations: link
Asymptotic Analysis: [Refs]