Gravitational instability problem of nonuniform media

Details Gravitational instability problem of nonuniform media Gravitational instability problem of nonuniform media

Mar 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994ap%26ss.213..139v&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 213, no. 1, p. 139-142

Astronomy and Astrophysics

Astrophysics

2

Criteria, Gravitational Fields, Inhomogeneity, Molecular Clouds, Stability, Density (Mass/Volume), Flow Equations, Gradients, Perturbation

Scientific paper

An instability criterion for perturbations of the gravitational potential in an inhomogeneous, large gas cloud is derived. We assume that perturbations propagate through the central area of the cloud, along the basic state density gradients. The instability criterion obtained in this way represents generalization of the Jeans's criterion to the case when the system is inhomogeneous in the basic state.

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