Neutron investigation of the mode coupling Tc in phenyl salicylate (salol)

J. Toulouse, G. Coddens and R. Pattnaik

Physica A: Statistical Mechanics and its Applications, 1993, vol. 201, issue 1, 305-311

Abstract: Combined Raman, Brillouin and ultrasonic measurements have recently shown the existence, in salol, of a dynamical transition near 260 K. This transition is marked by a weak cusp in the non-ergodicity parameter, ƒ0(T), of the mode coupling theory. In parallel, we have also performed a neutron study of the Mibemol time-of-flight spectrometer at the LLB (Saclay). Measurements of the quasi-elastic scattering are presented which also reflect the occurrence of a transition, revealing a cusp in the same temperature range as the Raman and Brillouin results, thus providing further confirmation of the mode coupling theory.

Date: 1993
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:201:y:1993:i:1:p:305-311

DOI: 10.1016/0378-4371(93)90427-6

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