Electrospheres and (e+,e-) pair plasmas

The magnetosphere of neutron stars is, as far as we know, one of the very few examples where an electron-positron plasma is formed. When the plasma reaches a stable state, the strong fields around a neutron star probably lead to a complete charge separation. Such a purely non-neutral plasma is an exception compared to the quasineutral state that most of our visible universe is in. Finding self consistent models for the evolution and distribution of theses plasmas is an active field of research. Understanding the instibilities of such a system might help understand astrophysical phenomena such as fast radio bursts.