1998/04/01 by John H. Miller, John H Miller, Jr, Miller,, John H
Engineering · Materials Science · Physics and Astronomy · #Molecular Junctions and Nanostructures #Organic and Molecular Conductors Research #Quantum and electron transport phenomena #cond-mat.supr-con
paper · pdf · doi:10.48550/arxiv.cond-mat/9804001
12 pages, 3 figures
arxiv created 1998/04/01 · arxiv updated 2012/08/27
Charge and spin density waves are highly correlated electron systems that can transport an electric current. A model is discussed in which a field E induces the creation, by quantum tunneling, of pairs of oppositely charged solitons and antisolitons in a density wave. Pair creation is blocked, for fields below a threshold value ET, because the increase in electrostatic energy would violate energy conservation. When E > ET, this Coulomb blockade mechanism time- correlates the pair creation and annihilation events. The model provides a natural explanation for the extremely small phase displacements below threshold suggested by NMR and other experiments.