Chan, WinstonPershan, Peter2013-03-041977Chan, Winston, and Peter S. Pershan. 1977. Forced Rayleigh scattering from lipid-water smectic phases. Physical Review Letters 39(21): 1368-1371.0031-9007http://nrs.harvard.edu/urn-3:HUL.InstRepos:10361968The hydrodynamic relaxation rate for water inhomogeneities in aligned lipid-water smectics is measured for the first time using an improved version of the "forced Rayleigh" technique. Variation of the relaxation rate with water concentration yields a distinction between "bound" and "free" water.en-USJournal Article2013-03-0410.1103/PhysRevLett.39.1368