Numerical simulations of the Kroemer4s model
in rectangular samples with point contacts

                1D                      Axisymmetric

     


2D axisymmetric patterns

           
Experimental results - Willing 1994                                                



New patterns

                 

  We represent density plots of the charge distribution n(x,y,t) in a grey scale
that goes from black for n=0 to white for the maximum positive value of n:
if necessary, clic on the figure to enlarge it


If you have problems to see the animations please follow this link