Figure 10
![Figure 10](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1742-4682-11-46/MediaObjects/12976_2014_Article_500_Fig10_HTML.jpg)
The evolution of the electrical potential for three different time steps. The time steps are shown below each figure. (a) Time step dt = 0.00001 (b) Time step dt = 0.000005 (c) Time step dt = 0.0000025.
The evolution of the electrical potential for three different time steps. The time steps are shown below each figure. (a) Time step dt = 0.00001 (b) Time step dt = 0.000005 (c) Time step dt = 0.0000025.