Jellium model of metallic nanocohesion
C. A. Stafford, D. Baeriswyl, J. Burki
Abstract
A unified treatment of the cohesive and conducting properties of metallic nanostructures in terms of the electronic scattering matrix is developed. A simple picture of metallic nanocohesion in which conductance channels act as delocalized chemical bonds is derived in the jellium approximation. Universal force oscillations of order epsilonF/lambdaF are predicted when a metallic quantum wire is stretched to the breaking point, which are synchronized with quantized jumps in the conductance.
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