Gas-liquid phase transitions and critical point in hot white dwarf matter |
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| Authors: | L De Cesare A Forlani G Platania |
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| Institution: | (1) Osservatorio Astronomico di Capodimonte-Napoli, Italy;(2) Istituto di Fisica Sperimentale dell' Università di Napoli, Italy |
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| Abstract: | We consider the gas-liquid first-order phase transitions and prove the existence of the critical point in white dwarf matter. The latent heat released in the liquefaction processes can be used in the interpretation of the spreading of the white dwarf sequence in H-R diagram. Some thermodynamic quantities, e.g., the saturation pressure, the latent heat, etc., are calculated along the gas-liquid coexistence curve, and their behaviour near critical point are studied. |
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