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arXiv 0810.5726cond-mat.mes-hall
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通过库仑相互作用和环间隧穿控制相互作用量子环中的持续电流

Control of the persistent currents in two interacting quantum rings through the Coulomb interaction and inter-ring tunneling

L. K. Castelano, G. -Q. Hai, B. Partoens, F. M. Peeters

摘要:

研究了两个垂直耦合的少电子量子环中的持续电流。我们发现,在没有隧穿的情况下,环之间的库仑相互作用会影响每个环中的持续电流和基态构型。环之间的量子隧穿显著改变了系统的基态和持续电流。

英文摘要:

The persistent current in two vertically coupled quantum rings containing few electrons is studied. We find that the Coulomb interaction between the rings in the absence of tunneling affects the persistent current in each ring and the ground state configurations. Quantum tunneling between the rings alters significantly the ground state and the persistent current in the system.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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