Dimensional crossover in quasi-one-dimensional and high-Tc superconductors

被引:104
作者
Carlson, EW [1 ]
Orgad, D
Kivelson, SA
Emery, VJ
机构
[1] Univ Calif Los Angeles, Dept Phys, Los Angeles, CA 90095 USA
[2] Stanford Univ, Dept Phys, Stanford, CA 94305 USA
[3] Stanford Univ, Dept Appl Phys, Stanford, CA 94305 USA
[4] Univ Calif Los Angeles, Dept Phys, Los Angeles, CA 90095 USA
[5] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA
基金
美国国家科学基金会;
关键词
D O I
10.1103/PhysRevB.62.3422
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
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.
引用
收藏
页码:3422 / 3437
页数:16
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