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pro vyhledávání: '"Diamant, H."'
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Autor:
Bary-Soroker, H., Diamant, H.
Publikováno v:
Europhys. Lett. 73, 871 (2006)
We study the relaxation modes of an interface between a lyotropic lamellar phase and a gas or a simple liquid. The response is found to be qualitatively different from those of both simple liquids and single-component smectic-A liquid crystals. At lo
Externí odkaz:
http://arxiv.org/abs/cond-mat/0507447
Publikováno v:
J. Phys. Condens. Matter 17, S4047 (2005)
We investigate theoretically and experimentally how the hydrodynamically correlated lateral motion of particles in a suspension confined between two surfaces is affected by the suspension concentration. Despite the long range of the correlations (dec
Externí odkaz:
http://arxiv.org/abs/cond-mat/0506685
Publikováno v:
Phys Rev Lett 94, 216001 (2005)
We report an experimental study of diffusion in a quasi-one-dimensional (q1D) colloid suspension which behaves like a Tonks gas. The mean squared displacement as a function of time is described well with an ansatz encompassing a time regime that is b
Externí odkaz:
http://arxiv.org/abs/cond-mat/0504055
Publikováno v:
J. Phys. Cond. Matt. 17, S2787 (2005)
Confinement between two parallel surfaces is found, theoretically and experimentally, to drastically affect the hydrodynamic interaction between colloid particles, changing the sign of the coupling, its decay with distance and its concentration depen
Externí odkaz:
http://arxiv.org/abs/cond-mat/0503720
Certain surfactant monolayers at the water-air interface have been found to undergo, at a critical surface pressure, a dynamic instability involving multiple long folds of micron width. We exploit the sharp monolayer translations accompanying folding
Externí odkaz:
http://arxiv.org/abs/cond-mat/0409147
Autor:
Diamant, H., Andelman, D.
Chain-like macromolecules in solution, whether biological or synthetic, transform from a spatially extended conformation to a compact one upon change of temperature or solvent qualities. This sharp transition plays a key role in various phenomena, in
Externí odkaz:
http://arxiv.org/abs/cond-mat/0109253
Publikováno v:
Phys. Rev. E 63, 061602 (2001)
We theoretically study the topography of a biphasic surfactant monolayer in the vicinity of domain boundaries. The differing elastic properties of the two phases generally lead to a nonflat topography of ``mesas'', where domains of one phase are elev
Externí odkaz:
http://arxiv.org/abs/cond-mat/0102183
Autor:
Diamant, H., Cates, M. E.
Publikováno v:
Eur. Phys. J. E 4, 223 (2001)
A theory is presented for the behavior of an array of multi-lamellar vesicles (the onion phase) upon addition of solvent. A unique feature of this system is the possibility to sustain pressure gradients by tension in the lamellae. Tension enables the
Externí odkaz:
http://arxiv.org/abs/cond-mat/0009017
Publikováno v:
Colloid Surf. A 183-185, 259 (2001)
We review the free energy approach to the kinetics of surfactant adsorption at fluid/fluid interfaces. The formalism is applied to several systems. For non-ionic surfactant solutions the results coincide with previous models while indicating their li
Externí odkaz:
http://arxiv.org/abs/cond-mat/0007146