Fields generated by a rod adsorbed on an oppositely charged surface: The effect of surface ion mobility and dimensionality on screening

Europhysics Letters

Volumn 44, Issue 3, 1998, Pages 393-398

  Menes, R ^a   Pincus, P ^a   Pittman, R ^b   Dan, N ^b  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b University of Delaware   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0032210945     PISSN: 02955075     EISSN: None     Source Type: Journal    
DOI: 10.1209/epl/i1998-00484-4     Document Type: Article

References (19)

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16. Simulation comment: The simulations were performed in the constant NVT ensemble [14], at a temperature of 298 K where the Bjerum length is 7.14 Å. Hard-core radii of all system components (rod, surface charges, counter-ions) were taken to be 4 Å, and all charges to be unit charges. Each rod was placed lengthwise on the surface directly adjacent to a row of surface charges. The solvent was modeled as a dielectric continuum with a dielectric constant of 78.54 (water). We employed two movement algorithms for the mobile counter-ions. One moved an ion in a random direction by a random distance of less than 5 Å. The other attempted to move an ion to a random position within the box [14]. Interactions were calculated using Lekner's [15] method. Movements were accepted or rejected using the standard Metropolis algorithm [14].
17. See, for example, DAHLGREN M. A. G., WALTERMO A., BLOMBERG E., CLAESSON P. M., SJOSTROM L., AKESSON T. and JONSSON B., J. Phys. Chem., 97 (1993) 11769.
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