Thermal Evolution of Neutron Stars

Details Thermal Evolution of Neutron Stars Thermal Evolution of Neutron Stars

Jun 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998ap%26ss.263..291m&link_type=abstract

Astrophysics and Space Science, v. 263, Issue 1/4, p. 291-294 (1998).

Astronomy and Astrophysics

Astrophysics

Scientific paper

We present results from simulations of protoneutron star thermal evolution using neutrino opacities that are consistently calculated with the equation of state. When hyperons are allowed to appear in the system, we obtain metastable configurations that after the deleptonization stage become unstable. Concerning the evolution of old neutron stars, we present the results of our investigation on the effect of the Joule heating due to magnetic field dissipation. We conclude that this mechanism can be efficient in maintaining the surface temperature of the star above 3 × 104 - 105 K during a very long time (≥ 100 Myr), comparable with the decay time of the magnetic field.

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