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SEPARABILITY OF SPECIFIC VOLUME IN THERMODYNAMIC EQUATION OF STATE
Authors:Geng Hua-yun  Tan Hua  Wu Qiang
Affiliation:Laboratory for Shock Wave and Detonation Physics Research, Southwest Institute of Fluid Physics, Mianyang 621900, China;Graduate School, China Academy of Engineering Physics, Beijing 100088, China
Abstract:A type of system, in which the specific volume can be divided into several parts according to its Hamiltonian, has been obtained in a grand ensemble. The main character of such a system is that its Hamiltonian is absolutely separable. We also discuss the partial specific volume contributed by thermoelectrons in metals under a free-interaction approximation, and the corresponding Wu-Jing parameter is obtained as a simple example.
Keywords:equation of state  high-pressure physics  grand ensemble  Wu-Jing parameter
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