Long-ranged attraction between like-charged metal balls spread on a dielectric surface

Chakrabarti, J.; Tata, B. V. R.
June 2000
AIP Conference Proceedings;2000, Vol. 519 Issue 1, p179
Academic Journal
Recently Tara et al (i) have shown that a novel two dimensional 2-D system of millimeter sized metal balls, charged by rubbing them onto a dielectric surface, shows a gas-liquid phase coexistence along with a long-ranged pair attraction. We show by ab-initio simulations on a scaleddown system that such an attraction arises due to the distribution of the negative ions on the dielectric surface in response to the multipole electrostatic potential of the metal balls.


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