منابع مشابه
Ground State of two Unlike Charged Colloids: An Analogy with Ionic Bonding
In this letter, we study the ground state of two spherical macroions of identical radius, but asymmetric bare charge (QA > QB). Electroneutrality of the system is insured by the presence of the surrounding divalent counterions. Using Molecular Dynamics simulations within the framework of the primitive model, we show that the ground state of such a system consists of an overcharged and an underc...
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Considering two dimensional (2-D) electron gas as one component plasma (OCP), for the state at the Landau level filling factor 1/3, Laughlin has found a many body wave function with a lower energy than the single particle energy. We plot the ground state energy of this wave function versus different m (angular momentum) by using the modified hypernetted chain technique. Comparing the plot with ...
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We calculate the ion and composition distributions around colloid particles in an aqueous mixture, accounting for preferential adsorption, electrostatic interaction, selective solvation among ions and polar molecules, and composition-dependent ionization. On the colloid surface, we predict a precipitation transition induced by a strong preference of hydrophilic ions to water and a prewetting tr...
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Patchy colloids are attractive as programmable building blocks for metamaterials. Inverse patchy colloids, in which a charged surface is decorated with patches of the opposite charge, are additionally noteworthy as models for heterogeneously charged biological materials such as proteins. We study the phases and aggregation behavior of a single charged patch in an oppositely charged colloid with...
متن کاملCollective thermoelectrophoresis of charged colloids.
Thermally driven colloidal transport is, to a large extent, due to the thermoelectric or Seebeck effect of the charged solution. We show that, contrary to the generally adopted single-particle picture, the transport coefficient depends on the colloidal concentration. For solutions that are dilute in the hydrodynamic sense, collective effects may significantly affect the thermophoretic mobility....
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ژورنال
عنوان ژورنال: Europhysics Letters (EPL)
سال: 2000
ISSN: 0295-5075,1286-4854
DOI: 10.1209/epl/i2000-00516-1