Spin Imbalance Effect on Josephson Junction and Grey Soliton

被引：4

作者：

Yoshii, Ryosuke ^{[1
,2
]}

Marmorini, Giacomo ^{[2
,3
,4
]}

Nitta, Muneto ^{[2
,5
]}

机构：

[1] Kyoto Univ, Yukawa Inst Theoret Phys, Kyoto 6068502, Japan

[2] Keio Univ, Res & Educ Ctr Nat Sci, Kohoku Ku, Yokohama, Kanagawa 2238521, Japan

[3] RIKEN, Condensed Matter Theory Lab, Wako, Saitama 3510198, Japan

[4] Tokyo Univ Sci, Fac Sci, Dept Phys, Shinjuku Ku, Tokyo 1628601, Japan

[5] Keio Univ, Dept Phys, Kohoku Ku, Yokohama, Kanagawa 2238521, Japan

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2012年 / 81卷 / 09期

关键词：

superconductivity; superfluidity; BdG equation; exact solution; kink; soliton; INHOMOGENEOUS SUPERCONDUCTOR; MODEL; FIELD; POLYACETYLENE; SYMMETRY;

D O I：

10.1143/JPSJ.81.094704

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study spin imbalance effects on the Josephson junction of superconductors under a strong magnetic field and the grey soliton in spin-polarized ultracold Fermi gas. We obtain the exact solution for the condensates with arbitrary spin imbalance and the fermion spectrum perturbatively in the presence of small spin imbalance.

引用

页数：5

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