Counterion condensation and fluctuation-induced attraction Export

@article{citeulike:5433526, abstract = {We consider an overall neutral system consisting of two similarly charged plates and their oppositely charged counterions and analyze the electrostatic interaction between the two surfaces beyond the mean-field Poisson-Boltzmann approximation. Our physical picture is based on the fluctuation-driven counterion condensation model; in which a fraction of the counterions is allowed to ” condense” onto the charged plates. In addition; an expression for the pressure is derived; which includes fluctuation contributions of the whole system. We find that for sufficiently high surface charges; the distance at which the attraction; arising from charge fluctuations; starts to dominate can be large compared to the Gouy-Chapmann length. We also demonstrate that depending on the valency; the system may exhibit a first-order binding transition at short distances.}, author = {Lau, A. W. C. and Pincus, P.}, citeulike-article-id = {5433526}, citeulike-linkout-0 = {http://dx.doi.org/10.1103/PhysRevE.66.041501}, citeulike-linkout-1 = {http://link.aps.org/abstract/PRE/v66/i4/e041501}, citeulike-linkout-2 = {http://link.aps.org/pdf/PRE/v66/i4/e041501}, doi = {10.1103/PhysRevE.66.041501}, journal = {Physical Review E}, keywords = {ions}, month = {Oct}, number = {4}, pages = {041501+}, posted-at = {2009-08-13 23:24:36}, priority = {2}, publisher = {American Physical Society}, title = {Counterion condensation and fluctuation-induced attraction}, url = {http://dx.doi.org/10.1103/PhysRevE.66.041501}, volume = {66}, year = {2002} }

TY - JOUR ID - citeulike:5433526 L3 - citeulike-article-id:5433526 N2 - We consider an overall neutral system consisting of two similarly charged plates and their oppositely charged counterions and analyze the electrostatic interaction between the two surfaces beyond the mean-field Poisson-Boltzmann approximation. Our physical picture is based on the fluctuation-driven counterion condensation model; in which a fraction of the counterions is allowed to “condense” onto the charged plates. In addition; an expression for the pressure is derived; which includes fluctuation contributions of the whole system. We find that for sufficiently high surface charges; the distance at which the attraction; arising from charge fluctuations; starts to dominate can be large compared to the Gouy-Chapmann length. We also demonstrate that depending on the valency; the system may exhibit a first-order binding transition at short distances. IS - 4 JF - Physical Review E TI - Counterion condensation and fluctuation-induced attraction PB - American Physical Society VL - 66 SP - 041501 KW - ions AU - Lau, AWC AU - Pincus, P PY - 2002/Oct// UR - http://dx.doi.org/10.1103/PhysRevE.66.041501 ER -