A theory of electric polarisation in liquids : I. Nonpolar liquids |
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Authors: | M Omini |
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Institution: | Istituto di Fisica Sperimentale, Gruppo Fiat-Politecnico, Politecnico di Torino, Italy |
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Abstract: | The static dielectric constant of nonpolar liquids is described by analyzing the pair distribution function and the dipole-dipole interaction into a finite set of Fourier components. In a mean field approximation the theory leads to a final formula that does not contain any adjustable parameter, and proves to work better than the Clausius-Mossotti equation. The theory explains in a satisfactory way the temperature and pressure dependence of the dielectric constant of nonpolar liquids, as well as the temperature variation of the refractive index of many organic polar liquids. |
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