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6 papers · 1 filter
Equation of state for partially ionized carbon at high temperatures
A. Y. Potekhin, G. Massacrier, G. Chabrier
Equation of state for partially ionized carbon at temperatures T > ~ 10^5 K is calculated in a wide range of densities, using the method of free energy minimization in the framewor…
Unifying dark energy and dark matter with a scalar field
A. Arbey
The standard model of cosmology considers the existence of two components of unknown nature, ``dark matter'' and ``dark energy'', which determine the cosmological evolution. Their…
The magnetic structure of neutron stars and their surface-to-core temperature relation
A. Y. Potekhin, V. Urpin, G. Chabrier
We study the relation between the mean effective surface temperature T_s and the internal temperature T_b for magnetic neutron stars, assuming that the magnetic field near the surf…
Radiative Habitable Zones in Martian Polar Environments
C. Cordoba-Jabonero, M. -P. Zorzano, F. Selsis +2
The biologically damaging solar ultraviolet (UV) radiation (quantified by the DNA-weighted dose) reaches the Martian surface in extremely high levels. Searching for potentially hab…
Exact solution of the standard transfer problem in a stellar atmosphere
L. Chevallier, B. Rutily
We come back to the analytical solution of the standard transfer problem in a stellar atmosphere. It consists in solving the radiative transfer equation in a homogeneous and isothe…
Partially ionized atmospheres of neutron stars with strong magnetic fields
A. Y. Potekhin, D. Lai, G. Chabrier +1
We construct hydrogen atmosphere models for strongly magnetized neutron stars in thermodynamic equilibrium, taking into account partial ionization. The presence of bound states aff…