Abstract

Direct experimental evidence is presented, using quasi-elastic light scattering, of the existence of an ergodic to nonergodic transition in a dense micellar system [pluronic L64/water (D2O)] characterized by a short-ranged attractive interaction. The measured intermediate scattering function (ISF) shows a glass transition on crossing a line which is both temperature and concentration dependent. Detailed analysis of the ISF gives various parameters characterizing the two time-step relaxations predicted by ideal mode coupling theory. Similarities of this kinetic glass transition to the theoretically predicted one in adhesive hard sphere and hard core attractive Yukawa model systems is pointed out.

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