Workshop on Investigations of Higher Order Correlation Functions
J. Phys. Colloques 46 (1985) C9-129-C9-133
DOI: 10.1051/jphyscol:1985916
HIGHER ORDER CORRELATION FUNCTIONS IN SUPER-CRITICAL XENON : EXPERIMENTAL EVIDENCE FROM LIGHT SCATTERING AND NON-LINEAR DIELECTRIC MEASUREMENTS
R.A. Huijts, J.C.F. Michielsen et J. van der ElskenLaboratory for Physical Chemistry, University of Amsterdam, Nieuwe Achtergracht 127, 1018 WS Amsterdam, The Netherlands
Abstract
Higher order density correlation functions are measured in supercritical xenon by depolarized light scattering (DLS) and by measurment of the non-linear dielectric effect (NLDE). The relation between the correlation functions measured by both techniques is discussed. An abrupt change in the second moment of the DLS spectrum is reported. Evidence of this effect in the NLDE experiments is also found. The significance of this experimental observation is discussed.