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Original publication:

Title: Time crystals made of electron-positron pairs
Author(s): Iwo Bialynicki-Birula, Zofia Bialynicka-Birula
As Contributors: (none claimed)
Journal ref.: Physical Review A 104, 022203
DOI: https://doi.org/10.1103/PhysRevA.104.022203
Date: Aug. 6, 2021

Abstract:

We show that in the greatly simplified model of mutually interacting electron-positron pairs and an electric field, time-crystal structures can spontaneously form. For a special choice of parameters, we find periodic fluctuations of the pair number and the electric field.

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