Spontaneous Spin Accumulation in Singlet-Triplet Josephson Junctions

被引：30

作者：

Sengupta, K. ^{[1
,2
]}

Yakovenko, Victor M. ^{[3
,4
]}

机构：

[1] Saha Inst Nucl Phys, TCMP Div, Kolkata 700064, W Bengal, India

[2] Indian Assoc Cultivat Sci, Dept Phys Theor, Kolkata 700032, India

[3] Univ Maryland, Joint Quantum Inst, College Pk, MD 20742 USA

[4] Univ Maryland, Ctr Nanophys & Adv Mat, Dept Phys, College Pk, MD 20742 USA

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 18期

关键词：

D O I：

10.1103/PhysRevLett.101.187003

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study the Andreev bound states in a Josephson junction between a singlet and a triplet superconductors. Because of the mismatch in the spin symmetries of pairing, the energies of the spin-up and -down quasiparticles are generally different. This results in imbalance of spin populations and net spin accumulation at the junction in equilibrium. This effect can be detected using probes of local magnetic field, such as the scanning SQUID, Hall, and Kerr probes. It may help to identify potential triplet pairing in (TMTSF)(2)X, Sr2RuO4, and oxypnictides.

引用

页数：4

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