What is $\mathcal{N}=2$ QED?

Question

I would like to know is $\mathcal{N}=2$ QED is simply a $\mathcal{N}=2$ theory with gauge group $U(1)$ like in normal QED? If not, exactly what theory is it? Is there some reference for it?

This post imported from StackExchange Physics at 2015-06-13 07:42 (UTC), posted by SE-user Marion

Comments

Why are we importing question like this? It is fine if the user posts the question on physicsoverflow itself. But really questions like this must not be be imported. It should be obvious for anyone working on the field.

It is also evident that the user did not attempt to read the subject literature.

@dilaton It is a different thing if the user posts the question himself. But avoid importing questions like this. It will not benefit the user who needs it.

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@Prathyush, as I personally see it, there is nothing wrong with questions of people who start to learn about such advanced topics for the first time. It is savely graduate-level+ ...