Dynamic structure factor of sponge phases

Granek, R. ; Cates, M. E. ; Ramaswamy, Sriram (1992) Dynamic structure factor of sponge phases EPL: Europhysics Letters, 19 (6). pp. 499-504. ISSN 0295-5075

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Official URL: http://iopscience.iop.org/0295-5075/19/6/010

Related URL: http://dx.doi.org/10.1209/0295-5075/19/6/010

Abstract

We predict the dynamic light scattering intensity S(q,t) for the L3 phase (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.

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