Physics – Condensed Matter
Scientific paper
Dec 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998jpcm...1011263i&link_type=abstract
Journal of Physics: Condensed Matter, Volume 10, Issue 49, pp. 11263-11272 (1998).
Physics
Condensed Matter
7
Scientific paper
White dwarfs are the final remnants of low- and intermediate-mass stars. Their evolution is essentially a cooling process that lasts for 0953-8984/10/49/015/img6 and allows one to obtain information about the age of the Galaxy as well as about the past stellar formation rate in the solar neighbourhood. Therefore, it is important to identify all of the relevant sources of energy as well as the mechanisms that control its flow to the space. We show in this paper that the inclusion of a detailed treatment of phase transitions in Coulomb plasmas made up of a mixture of different chemical species is crucial, since their redistribution can keep the white dwarf warm for 0.5 to 9 Ga depending on the chemical composition and physical assumptions adopted.
Garcia-Berro Enrique
Hernanz Margarida
Isern Jordi
Mochkovitch Robert
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