3D perturbations in an isothermal self-similar flow

  title={3D perturbations in an isothermal self-similar flow},
  author={Yu-qing Lou and Xue-ning Bai},
  journal={Monthly Notices of the Royal Astronomical Society},
  • Y. Lou, X. Bai
  • Published 21 July 2011
  • Physics
  • Monthly Notices of the Royal Astronomical Society
We explore three-dimensional (3D) isothermal perturbation structures in a non-linear dynamic background of self-gravitating isothermal radial flow with spherical symmetry. The overall flow then appears quasi-spherically symmetric. Here, the dynamic background radial flow describes a self-similar evolution with a central/final free-fall asymptotic solution and a faraway/initial flow but without involving the sonic critical line (SCL). As transients peter out, 3D perturbations can consistently… 

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