Re: Electron Cloud Confinement

Hi

In terms of the module you're using, I guess the drift-diffusion is the right one. As far as I know as long as the only charged particles in your simulation are electrons drift-diffusion is the one you're looking for.

About the increment of electron density, I have similar problem with my model. My model is a corona discharge which is practically a high voltage discharge between a needle (connected to positive voltage) and a plate (which is connected to ground). What I'm expecting is, under these circumstances in the area far from needle the number density of electrons should be decreased (due to attachment of electrons to neutral molecules) and the remaining electrons should be accelerated towards the needle. But what I see is quite different. Number density of electrons in the area far from the needle is increased up to a constant number and remains like that.

It gets more strange when I decrease the voltage level this constant number does not change.

Can you please let me know about the possible solution you found for your problem?

I appreciate any other insight on this issue.