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A Hydromagnetic Model for the Hierarchical Structure of Molecular Clouds

Published online by Cambridge University Press:  25 May 2016

B.M. Deiss  and
A. Just
B.M. Deiss
Affiliation:
Inst. f. Theor. Physik, Goethe- Universität Frankfurt, 60054 Frankfurt, Germany
A. Just
Affiliation:
Astronomisches Rechen-Institut, 69120 Heidelberg, Germany

Extract

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We propose a physical model of molecular clouds which is based on the idea that the back reaction of substructures of a cloud on the ambient medium maintains and stabilizes the cloud on larger scales: clumps, which are assumed to carry a magnetic moment, are coupled to the ambient medium by magnetic forces, hence continually inducing velocity fluctuations due to their random motion. The energy source is then the gravitational binding energy of the clumps in the global potential of the whole cloud.

Type
Chapter 7: How are we to Understand the Small Scale Structure of the ISM?
Information
Symposium - International Astronomical Union , Volume 169: Unsolved Problems of the Milky Way , 1996 , pp. 609 - 610
Copyright
Copyright © Kluwer 1996 

References

Just, A., Jacobi, S., Deiss, B.M. 1994, Astron. Astrophys. 289, 237 Google Scholar