Cosmological analogies for geophysical flows, Lagrangians, and new analogue gravity systems
The European physical journal. C, Particles and fields（2023）
摘要
Formal analogies between the ordinary differential equations describing geophysical flows and Friedmann cosmology are developed. As a result, one obtains Lagrangian and Hamiltonian formulations of these equations, while laboratory experiments aimed at testing geophysical flows are shown to constitute analogue gravity systems for cosmology.
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关键词
new analogue gravity systems,cosmological analogies,geophysical flows,lagrangians
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