Persistent currents in interacting Aharonov-Bohm interferometers and their enhancement by acoustic radiation

被引：18

作者：

Entin-Wohlman, O ^{[1
]}

Imry, Y

Aharony, A

机构：

[1] Tel Aviv Univ, Raymond & Beverly Sackler Fac Exact Sci, Sch Phys & Astron, IL-69978 Tel Aviv, Israel

[2] Weizmann Inst Sci, Dept Condensed Matter Phys, IL-76100 Rehovot, Israel

[3] Weizmann Inst Sci, Albert Einstein Minerva Ctr Theoret Phys, IL-76100 Rehovot, Israel

来源：

PHYSICAL REVIEW LETTERS | 2003年 / 91卷 / 04期

关键词：

D O I：

10.1103/PhysRevLett.91.046802

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We consider an Aharonov-Bohm interferometer, connected to two electronic reservoirs, with a quantum dot embedded on one of its arms. We find a general expression for the persistent current at steady state, valid for the case where the electronic system is free of interactions except on the dot. The result is used to derive the modification in the persistent current brought about by coupling the quantum dot to a phonon source. The magnitude of the persistent current is found to be enhanced in an appropriate range of the intensity of the acoustic source.

引用

页数：4

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