The Parameterization of the Ground State and Its Applications to Planetary Systems

Details The Parameterization of the Ground State and Its Applications to Planetary Systems The Parameterization of the Ground State and Its Applications to Planetary Systems

Jan 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004ap.....47..117c&link_type=abstract

Astrophysics (English translation of Astrofizika), v. 47, Issue 1, p. 117-123 (2004).

Astronomy and Astrophysics

Astrophysics

Planetary Systems

Scientific paper

Natural systems tend to minimize their energy. Hence an important problem in astrophysics is the parametrization of the ground state. In this context a quantum statistical approach is very useful. The problem of the variational approximation of the density matrix is extended towards a parametrization of the ground state. With an analogy to the semiclassical approach, a classical approach to the variational principle in the parametrization of the ground state is elucidated and its applications are discussed. We find that planetary systems tend to have circular orbits in an effort to attain the ground state. The results of this paper may be useful for the modern problem of detecting planets around bright stars.

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