New features of the TFmix code: Thermodynamic properties of electrons in mixtures

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In this paper we briefly review the finite-temperature Thomas-Fermi model for a mixture of elements and describe a number of modifications made for the new version (1.5) of the code. The model is intended for the calculation of thermodynamic properties of electrons in a mixture of elements. The modifications include density besides volume as an input parameter, switching off the calculation of thermal energy using the integration of heat capacity, more thermodynamic functions in the output including cold parts of thermodynamic functions and Grüneizen parameter, the possibility to plot both isotherms and isochores in the graphical user interface and a lot of minor corrections.

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