Homework Statement
Can an electric field drops exponentially? (in free space)Homework Equations
Starting from a hypothetical potential, V = F(x,y,z)e^{-y^2} which decays exponentially in the y direction
\nabla^2V=0
The Attempt at a Solution
\nabla^2V=e^{-y^2}(\frac{\partial^2F}{\partial...