IMAGE OF THE ENERGY-GAP ANISOTROPY IN THE VIBRATIONAL-SPECTRUM OF A HIGH-TEMPERATURE SUPERCONDUCTOR

被引:16
作者
FLATTE, ME [1 ]
机构
[1] UNIV CALIF SANTA BARBARA,DEPT PHYS,SANTA BARBARA,CA 93106
关键词
D O I
10.1103/PhysRevLett.70.658
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
I present a new method of determining the anisotropy of the gap function in layered high-T(c) superconductors. Careful inelastic neutron scattering measurements at low temperature of the phonon dispersion curves in the (100) and (210) directions in YBa2Cu3O7 would determine whether the gap is predominantly s wave or d wave. I also propose an experiment to determine the gap at each point on a quasi-two-dimensional Fermi surface.
引用
收藏
页码:658 / 661
页数:4
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