• Corpus ID: 118168950

Density-Wave Induced Morphological Transformation of Galaxies along the Hubble Sequence

  title={Density-Wave Induced Morphological Transformation of Galaxies along the Hubble Sequence},
  author={Xiaolei Zhang and Ronald J. Buta},
  journal={arXiv: Astrophysics of Galaxies},
In the past two decades, secular evolution has emerged as an important new paradigm for the formation and evolution of the Hubble sequence of galaxies. A new dynamical mechanism was identified through which density waves in galaxies, in the forms of nonlinear and global spiral and bar modes, induce important collective dissipation effects previously unknown in traditional studies. These effects lead to the evolution of the basic state of the galactic disk, consistent with the gradual… 

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