Dimensional crossover in quasi-one-dimensional and high superconductors

E. Carlson, D. Orgad, S. Kivelson

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The one-dimensional electron gas exhibits spin-charge separation and power-law spectral responses to many experimentally relevant probes. Ordering in a quasi-one-dimensional system is necessarily associated with a dimensional crossover, at which sharp quasiparticle peaks, with small spectral weight, emerge from the incoherent background. Using methods of Abelian bosonization, we derive asymptotically correct expressions for the spectral changes induced by this crossover. Comparison is made with experiments on the high-temperature superconductors, which are electronically quasi-one-dimensional on a local scale.

Original languageAmerican English
Pages (from-to)3422-3437
Number of pages16
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number5
StatePublished - 2000
Externally publishedYes


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