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Title

Transport through small world networks

AuthorsÇalişkan, S.; Novotny, M. A.; Cerdá, Jorge I.
Issue Date9-Jul-2007
PublisherAmerican Institute of Physics
CitationJournal of Applied Physics 102(1): 013707 (2007)
AbstractWe numerically investigate the transport properties through a system where small world networks are added to a one-dimensional chain. One-electron Green's function method is applied to standard tight-binding Hamiltonians on networks, modeled as (i) adding connections between any two nonadjacent random sites in the chain, (ii) introducing finite one-dimensional chains between any pair of such connected sites, and (iii) attaching finite dangling chains at random sites in the chain. Due to the small world bonds and dangling conduction paths, the systems have irregular geometrical shapes, leading to quenched disordered systems. We consider the qualitative influence of the small world bonds and dangling bonds on the transmittance and find that the systems exhibit a strong energy dependence on the transmittance, with strong sample-to-sample fluctuations.
Description7 pages, 8 figures, 1 appendix.
Publisher version (URL)http://dx.doi.org/10.1063/1.2752142
URIhttp://hdl.handle.net/10261/21889
DOI10.1063/1.2752142
ISSN0021-8979
Appears in Collections:(ICMM) Artículos




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