The study of the microscopic interaction law represents a central topic in the physics of the fluid state of matter. Particular interest has been devoted in the past decades to the long-range part of the interatomic force. We review here some recent results, obtained investigating the low-q part of the static structure factor S(q) of insulating fluids, which provide a direct and unambiguous demonstration of the r-6 dispersion tail of the potential and allow an experimental determination of the strengths of the long-range double and triple dipole interactions.
Long-range interactions in insulating fluids probed by SANS / R. Magli; U. Bafile; F. Barocchi; G. Casanova; F. Formisano; E. Guarini. - In: JOURNAL OF APPLIED CRYSTALLOGRAPHY. - ISSN 0021-8898. - STAMPA. - 33:(2000), pp. 763-766. [10.1107/S0021889899013783]
Long-range interactions in insulating fluids probed by SANS
BAROCCHI, FABRIZIO;GUARINI GRISALDI TAJA O DEL TAJA, ELEONORA
2000
Abstract
The study of the microscopic interaction law represents a central topic in the physics of the fluid state of matter. Particular interest has been devoted in the past decades to the long-range part of the interatomic force. We review here some recent results, obtained investigating the low-q part of the static structure factor S(q) of insulating fluids, which provide a direct and unambiguous demonstration of the r-6 dispersion tail of the potential and allow an experimental determination of the strengths of the long-range double and triple dipole interactions.
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