Analog de Sitter space in a controlled Coulomb explosion

TL;DR

This paper demonstrates that a controlled Coulomb explosion in an atomic gas can simulate an expanding universe similar to de Sitter space, providing a laboratory analog for cosmological models.

Contribution

It introduces a macroscopic model of a non-conserving charge system that mimics cosmic acceleration and de Sitter space within a Coulomb explosion framework.

Findings

Stable de Sitter analog achieved with constant charge production rate.

Friedmann-Coulomb equations exhibit a stable fixed point.

System evolution is homogeneous and isotropic, resembling cosmic expansion.

Abstract

The Coulomb explosion of an atomic gas steered by laser-controlled time-dependent charging can be modeled by a macroscopic system of identical charges whose number is not conserved. We show that such a system can evolve in the spatially homogeneous and isotropic fashion that mimics accelerating cosmic expansions. Specifically, for a constant rate of charge production, the resulting Friedmann-Coulomb equations have a stable fixed point corresponding to an analog of de Sitter space.