arXiv:cond-mat/9711136·v1·cond-mat
On Charged Mesoscopic Metallic Bubbles
Krzysztof Pomorski (Theort. Phys. Dep. of the MCS. Univ., Lublin, Poland) · Klaus Dietrich (Physik Dep. of the TUM Munich, Germany)
Abstract
We investigate the existence of stable charged metallic bubbles using the shell correction method. We find that for a given mesoscopic system of n atoms of a given metal and q less n (positive) elementary charges, a metallic bubble turns out to have a lower total energy than a compact spherical cluster, whenever the charge number q is larger than acritical charge number q_c. For a magic number (n-q) of free electrons, the spherical metallic bubble may become stable against fission.
Comments: 14 pages in Latex and 5 figures in the eps format