Core crystallization and pile-up in the cooling sequence of evolving white dwarfs

  title={Core crystallization and pile-up in the cooling sequence of evolving white dwarfs},
  author={P. Tremblay and G. Fontaine and N. G. Fusillo and B. Dunlap and B. Gaensicke and M. Hollands and J. Hermes and T. Marsh and E. Cukanovaite and T. Cunningham},
  • P. Tremblay, G. Fontaine, +7 authors T. Cunningham
  • Published 2019
  • Physics, Medicine
  • Nature
  • White dwarfs are stellar embers depleted of nuclear energy sources that cool over billions of years1. These stars, which are supported by electron degeneracy pressure, reach densities of 107 grams per cubic centimetre in their cores2. It has been predicted that a first-order phase transition occurs during white-dwarf cooling, leading to the crystallization of the non-degenerate carbon and oxygen ions in the core, which releases a considerable amount of latent heat and delays the cooling process… CONTINUE READING

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