Eilenberger theory for nuclear magnetic relaxation rate in superconducting vortex lattice state

被引：5

作者：

Tanaka, Kenta K. ^{[1
]}

Ichioka, Masanori ^{[1
]}

Onari, Seiichiro ^{[1
]}

Nakai, Noriyuki ^{[1
]}

Machida, Kazushige ^{[1
]}

机构：

[1] Okayama Univ, Dept Phys, Okayama 7008530, Japan

来源：

PHYSICAL REVIEW B | 2015年 / 91卷 / 01期

基金：

日本学术振兴会;

关键词：

S-WAVE SUPERCONDUCTOR; II SUPERCONDUCTORS; SPIN RELAXATION; CORE STRUCTURE; MIXED-STATE; NMR; ALUMINUM;

D O I：

10.1103/PhysRevB.91.014509

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

On the basis of the Eilenberger theory, spatial variation of the local NMR relaxation rate T-1(-1) is quantitatively estimated in the vortex lattice state, to clarify the differences between the s-wave and the d-wave superconductors. We study the temperature and the magnetic field dependencies of T-1(-1) inside and outside of the vortex core, including influences of nonmagnetic impurity scatterings in the Born limit and in the unitary limit. These results are helpful to detect detailed characters of local electronic structures in the vortex lattice states via site-selective NMR experiments.

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页数：8

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