Phys. Rev. Lett. 84, 3073–3076 (2000)Observations of the Collapse of Dilute Lyotropic Lamellar Phases under Shear FlowReceived 8 July 1999; published in the issue dated 3 April 2000 Experimental evidence of the collapse of dilute lamellar phases due to shear flow is presented. Two systems are used: one composed of brine and an ionic surfactant, and another composed of water, a nonionic surfactant, and cosurfactant. We observe this transition for a range of lamellar spacings and brine salinity. The results are in reasonable agreement with recent theory in which the suppression of fluctuations by shear plays an important role. © 2000 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.84.3073
DOI:
10.1103/PhysRevLett.84.3073
PACS:
47.55.Kf, 47.15.Fe, 47.20.Hw
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