In this paper we consider the well-known cyclical model for climate change, for example from glaciation to the present day and back, and compare this with a two-state model in Quantum Mechanics. We establish the full correspondence.
@article{arxiv.physics/0308066,
title = {A Model for Long Term Climate Change},
author = {B G Sidharth and B S Lakshmi},
journal= {arXiv preprint arXiv:physics/0308066},
year = {2007}
}