Time crystals made of electron-positron pairs
arXiv:2105.04346 · doi:10.1103/PhysRevA.104.022203
Abstract
It is shown that in the greatly simplified model of the mutually interacting electron-positron pairs and the electric field time-crystal structures can spontaneously form. For a special choice of parameters we find a periodic modulation of the pair number and the electric field.
Several improvements and corrections introduced