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Compressibility equationIn statistical mechanics and thermodynamics the compressibility equation refers to an equation which relates the isothermal compressibility (and indirect the pressure) to the structure of the liquid. It reads: Additional recommended knowledge(1) where ρ is the number density, g(r) is the radial distribution function and is the isothermal compressibility. Using the Fourier representation of the Ornstein-Zernike equation the compressibility equation (1) can be rewritten in the form: (2) where h(r) and c(r) are the indirect and direct correlation functions respectively. The compressibility equation is one of the many integral equations in statistical mechanics. References
Categories: Statistical mechanics | Thermodynamics |
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Compressibility_equation". A list of authors is available in Wikipedia. |