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Еvolution of non-adiabatic perturbations in models with multiple coupled perfect fluids with non-adiabatic sound speed is considered. Instead of splitting the entropy perturbation on relative and int...
Macrogases are defined as two-component, large-scale celestial objects where the subsystems interact only via gravitation. The macrogas equation of state is formulated and compared to the van der Waal...
We derive a new acoustic black hole metric from the Abelian Higgs model. In the non-relativistic limit, while the Abelian Higgs model becomes the Ginzburg-Landau model, the metric reduces to an ordina...
On the reduced mhd for compressible fluids
Fast reconnection of magnetic fields in turbulent fluids
R3 FLUIDS     Galaxies  clusters  general-Galaxies  haloes       2009/2/13
The current paper is aimed at getting more insight on three main points concerning large-scale astrophysical systems, namely: (i) formulation of ten- sor virial equations from the standpoint of anal...
R FLUIDS     Galaxies  clusters  general-Galaxies  halos       2009/2/8
A theory of collisionless °uids is developed in a uni¯ed picture, where nonrotating (f­1 = f­2 = f­3 = 0) ¯gures with some given random velocity component distributions, and ro...

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