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Homogeneous isotropic Newtonian cosmology and the Clebsch generalized potentials

Однородная изотроиная ньютонова космология и обобщенные потенциалы Клебша

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Il Nuovo Cimento B (1971-1996)

Summary

We construct the kinetic potentials that appear on the generalized Clebsch representation for the velocity field of a perfect fluid with a politropic state equation that describes the matter distribution in a Newtonian homogeneous isotropic universe. We also specify the constants of motion with respect to the HS group.

Riassunto

Si costituiscono i potenziali cinetici che appaiono nella rappresentazione generalizzata di Clebsch per il campo di velocità di un fluido perfetto descrivente la distribuzione di materia nel caso di un universo newtoniano omogeneo ed isotropo. Sempre in questo caso si specificano, inoltre, le costanti del moto relative al gruppo di Heckmann-Shucking.

Резюме

Мы конструируем кинетические потенциалы, которые появляются в обобщенном представлении Клебша для поля скоростей идеальной жидкости с политропным уравнением состояния, которое описывает распределение вещества в ньютоновой однородной изотропной вселенной. Мы определяем постоянные движения относительно HS группы.

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De Ritis, R., Pisello, D., Platania, G. et al. Homogeneous isotropic Newtonian cosmology and the Clebsch generalized potentials. Nuovo Cim B 77, 263–271 (1983). https://doi.org/10.1007/BF02721488

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  • DOI: https://doi.org/10.1007/BF02721488

PACS. 03.40

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