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Speaker |
Nunes, Sílvia |
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Coauthors |
Malheiro, Manuel |
| Talk Title |
The Effect of Positrons in Hot White Dwarfs |
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Abstract |
White dwarf stars are widely studied as being composed of a ion lattice embedded in a degenerate fermions gas. However, at the beginning of their lives these stars are subject to temperatures that can reach up to $ T = 10 ^ 9K $. In this limit there is no more total degeneracy and an equation of state (EOS) temperature dependent is needed to take in account the Fermi-Dirac occupation factor of fermion levels. In this work, we will study this regime, and in particular the positrons effect in the EOS, and in the hot white dwarf structure. |
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