Antonov instability and gravothermal catastrophe - Revisited

Details Antonov instability and gravothermal catastrophe - Revisited Antonov instability and gravothermal catastrophe - Revisited

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apjs...71..651p&link_type=abstract

Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 71, Nov. 1989, p. 651-664.

Statistics

Computation

39

Computational Astrophysics, Flow Stability, Gravitational Effects, Distribution Functions, Eigenvalues, Entropy, Many Body Problem

Scientific paper

A straightforward and simplified derivation of the Antonov instability and gravothermal catastrophe is obtained by explicitly solving the zero eigenvalue equation associated with the second variation of the entropy. This solution also makes it possible to study the nature of the mode which triggers the instability. It turns out that this mode has a core-halo structure.

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