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van der Waals Interactions between Thin Metallic Wires and Layers

Research output: Contribution to journalJournal article

Published

Article number166401
Journal publication date16/10/2007
JournalPhysical Review Letters
Journal number16
Volume99
Number of pages4
Original languageEnglish

Abstract

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.

Bibliographic note

© 2007 The American Physical Society