Non-abelian superconducting pumps

被引：29

作者：

Brosco, Valentina ^{[1
,2
,3
,4
]}

Fazio, Rosario ^{[5
,6
,7
]}

Hekking, F. W. J. ^{[8
,9
]}

Joye, Alain ^{[8
,9
,10
]}

机构：

[1] Univ Karlsruhe, Inst Theoret Festkorperphys, D-76128 Karlsruhe, Germany

[2] Univ Karlsruhe, DFG Ctr Funct Nanostruct, D-76128 Karlsruhe, Germany

[3] Univ Pisa, NEST CNR, INFM, I-56100 Pisa, Italy

[4] Univ Pisa, Dipartimento Fis, I-56100 Pisa, Italy

[5] Scuola Int Super Studi Avanzati, SISSA, I-34014 Trieste, Italy

[6] NEST CNR, INFM, I-56126 Pisa, Italy

[7] Scuola Normale Super Pisa, I-56126 Pisa, Italy

[8] CNRS, LPMMC, F-38042 Grenoble 9, France

[9] Univ Grenoble 1, F-38042 Grenoble 9, France

[10] Inst Fourier, F-38402 St Martin Dheres, France

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 100卷 / 02期

关键词：

D O I：

10.1103/PhysRevLett.100.027002

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Cooper pair pumping is a coherent process. We derive a general expression for the adiabatic pumped charge in superconducting nanocircuits in the presence of level degeneracy and relate it to non-Abelian holonomies of Wilczek and Zee. We discuss an experimental system where the non-Abelian structure of the adiabatic evolution manifests in the pumped charge.

引用

页数：4

共 28 条

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