Dynamic structure factor of sponge phases

R. Granek, M. E. Cates, Sriram Ramaswamy

Research output: Contribution to journalLetterpeer-review

6 Scopus citations


We predict the dynamic light scattering intensity S(q, t) for the L3phase (anomalous isotropic phase) of dilute surfactant solutions. Our results are based on a Landau-Ginzburg approach, which was previously used to explain the observed static structure factor S(q, 0). In the extreme limit of small q, we find a monoexponential decay with marginal or irrelevant hydrodynamic interactions. In most other regimes the decay of S(q, t) is strongly nonexponential; in one case, it is purely algebraic at long times.

Original languageEnglish
Pages (from-to)499-504
Number of pages6
Issue number6
StatePublished - 15 Jul 1992
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy


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