FERMI-SURFACE IN YBA2CU3O6.9 - EVIDENCE FROM ANGLE-RESOLVED PHOTOEMISSION SPECTROSCOPY AND POSITRON 2-DIMENSIONAL ANGULAR-CORRELATION OF ANNIHILATION RADIATION

被引：54

作者：

CAMPUZANO, JC

SMEDSKJAER, LC

BENEDEK, R

JENNINGS, G

BANSIL, A

机构：

[1] UNIV ILLINOIS,DEPT PHYS,CHICAGO,IL 60680

[2] NORTHEASTERN UNIV,DEPT PHYS,BOSTON,MA 02115

来源：

PHYSICAL REVIEW B | 1991年 / 43卷 / 04期

关键词：

D O I：

10.1103/PhysRevB.43.2788

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We assess the evidence regarding the geometry of the Fermi surface in YBa2Cu3O6.9 obtained from angle-resolved photoemission and positron two-dimensional angular correlation of annihilation radiation experiments. A detailed picture of the Fermi-surface topology of this system appears to be emerging, based on a comparison of the above-mentioned experiments with each other and with local-density-approximation calculations, although whether the Fermi surface is a manifestation of true Fermi-liquid behavior is in dispute. Some implications of these results are discussed.

引用

页码：2788 / 2795

页数：8

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