Physics – Condensed Matter – Statistical Mechanics
Scientific paper
1996-11-10
Phys. Rev. B 55, pp12963-12970 (1997)
Physics
Condensed Matter
Statistical Mechanics
Two postscript figures
Scientific paper
10.1103/PhysRevB.55.12963
The coherence of transport between two one-dimensional interacting Fermi liquids, coupled by single particle hopping and interchain interaction, is examined in the context of two exactly soluble models. It is found that the coherence of the inter-chain hopping depends on the interplay between inter-chain hopping and inter-chain interaction terms, and not simply on the ground state spectral properties of an isolated chain. Specifically, the splitting of levels in associated with interchain hopping in a $g_4$ soluble model is found to be enhanced by the introduction of interchain interaction. It is also shown that, for an exactly solvable model with both $g_2$ and $g_4$ interactions, coherent interchain hopping coexists with anomalous scaling and non-Fermi liquid behavior in the chain direction.
d'Ambrumenil Nicholas
Li Yanmin
Shannon Nic
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