OBSERVATION OF THE QUASI-PARTICLE HALL-EFFECT IN SUPERCONDUCTING YBA2CU3O7-DELTA

被引：61

作者：

SPIELMAN, S

PARKS, B

ORENSTEIN, J

NEMETH, DT

LUDWIG, F

CLARKE, J

MERCHANT, P

LEW, DJ

机构：

[1] UNIV CALIF BERKELEY,DEPT PHYS,BERKELEY,CA 94720

[2] HEWLETT PACKARD CORP,PALO ALTO,CA 94304

[3] STANFORD UNIV,DEPT APPL PHYS,STANFORD,CA 94305

来源：

PHYSICAL REVIEW LETTERS | 1994年 / 73卷 / 11期

关键词：

D O I：

10.1103/PhysRevLett.73.1537

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Coherent time-domain spectroscopy was used to measure the complex transmission tensor of several YBa2Cu3O7-delta thin films in magnetic fields up to 6 T at temperatures from 10 to 200 K. The complex conductivity tensor was determined from transmission measurements in the frequency range 150-800 GHz without the need for Kramers-Kronig analysis. Both the real and imaginary parts of sigma(xy) were found to peak near 40 K, exceeding their normal state values by more than a factor of 10. This behavior is ascribed to the Hall effect of quasiparticles in the superconducting state.

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页码：1537 / 1540

页数：4

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