Analogy between freezing lakes and the cosmic radiation era
arXiv:2001.09533 · doi:10.1103/PhysRevResearch.2.013187
Abstract
An equation describing a one-dimensional model for the freezing of lakes is shown to be formally analogous to the Friedmann equation of cosmology. The analogy is developed and used to speculate on the change between two hypothetical "spacetime phases" in the early universe.
arXiv comment6 pages, to appear in Physical Review Research
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