Enhanced cohesion of matter on a cylindrical surface

Details Enhanced cohesion of matter on a cylindrical surface Enhanced cohesion of matter on a cylindrical surface

2002-02-17

arxiv.org/abs/cond-mat/0202279v2

Physics

Condensed Matter

9 pages,5 figures, submitted to PRL

Scientific paper

We evaluate the cohesive energies E$_b$ of four systems in which particles move on a cylindrical surface, at fixed distance R from the axis. We find quite nonuniversal dependences of E$_b$ on R. For the Coulomb binding problem, E$_b$ is a monotonically decreasing function of R. For three problems involving Lennard-Jones interactions, the behavior is nonmonotonic; E$_b$ is larger at R = $\infty$ than at R=0; the maximum binding corresponds to R $\sim 0.7 \sigma$ (the hard core parameter). Consequences of the enhanced binding are discussed.

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