EFFECT OF SUPERCONDUCTING FLUCTUATIONS ON SPIN SUSCEPTIBILITY AND NMR RELAXATION RATE

被引：37

作者：

RANDERIA, M

VARLAMOV, AA

机构：

[1] Materials Sciences Division, Argonne National Laboratory, Argonne

来源：

PHYSICAL REVIEW B | 1994年 / 50卷 / 14期

关键词：

D O I：

10.1103/PhysRevB.50.10401

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We study the effect of superconducting fluctuations on the spin susceptibility chi(s) and NMR relaxation rate 1/T1 just above T(c) for arbitrary impurity concentrations. Fluctuations are found to reduce chi(s) below the Pauli susceptibility. 1/T1T is enhanced above the Korringa value for weak pair breaking, but suppressed when the pair breaking is large.

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页码：10401 / 10404

页数：4

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