DE-HAAS-VAN-ALPHEN EFFECT IN THE VORTEX STATE OF NB3SN

被引:37
作者
HARRISON, N [1 ]
HAYDEN, SM [1 ]
MEESON, P [1 ]
SPRINGFORD, M [1 ]
VANDERWEL, PJ [1 ]
MENOVSKY, AA [1 ]
机构
[1] UNIV AMSTERDAM,VAN DER WAALS ZEEMAN LAB,1018 XE AMSTERDAM,NETHERLANDS
来源
PHYSICAL REVIEW B | 1994年 / 50卷 / 06期
关键词
D O I
10.1103/PhysRevB.50.4208
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
de Haas-van Alphen (dHvA) oscillations corresponding to five extremal areas of the Fermi surface have been observed in the vortex state of Nb3Sn, in magnetic fields as low as approximately 0.5B(c2). Both the dHvA frequencies and effective masses are unchanged from their values in the normal state, although the quantum oscillations experience a field-dependent additional damping in the superconducting state. The results show that the Landau quantization of quasiparticles persists in the mixed state of a clean type-II superconductor.
引用
收藏
页码:4208 / 4211
页数:4
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