Abstract
GASES with gravitational interactions are expected to evolve away from a state of uniform density and temperature1,2. Such behaviour has been strikingly confirmed by numerical experiments on small gravitational systems3.
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References
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HAGGERTY, M., SEVERNE, G. Monotonic evolution of Boltzmann's H in weakly coupled gravitational systems. Nature 249, 537–538 (1974). https://doi.org/10.1038/249537a0
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DOI: https://doi.org/10.1038/249537a0
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