van der Waals Interactions Between Thin Metallic Wires and Layers

Details van der Waals Interactions Between Thin Metallic Wires and Layers van der Waals Interactions Between Thin Metallic Wires and Layers

2008-01-02

arxiv.org/abs/0801.0373v1

Phys. Rev. Lett. 99, 166401 (2007)

Physics

Condensed Matter

Materials Science

Scientific paper

10.1103/PhysRevLett.99.166401

Quantum Monte Carlo (QMC) methods have been used to obtain accurate binding-energy data for pairs of parallel thin metallic wires and layers modeled by 1D and 2D homogeneous electron gases. We compare our QMC binding energies with results obtained within the random phase approximation, finding significant quantitative differences and disagreement over the asymptotic behavior for bilayers at low densities. We have calculated pair-correlation functions for metallic biwire and bilayer systems. Our QMC data could be used to investigate van der Waals energy functionals.

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