Controlled electron transport in coupled Aharonov–Bohm rings

Supriya Jana; Arunava Chakrabarti

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Controlled electron transport in coupled Aharonov–Bohm rings

机译：耦合Aharonov–Bohm环中的受控电子传输

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We propose a simple model of two coupled mesoscopic rings threaded by magnetic flux which mimics a device for electron transmission in a controlled fashion. Within a tight binding formalism, we work out exactly the conditions when a completely ballistic transmission can be triggered at any desired position of the Fermi level within a continuous range of energy. The switching action can be easily controlled by appropriately tuning the values of the flux through the two rings. The general transmission across the ring system displays interesting features characterized by the appearance and collapse of Fano resonances, and the suppression of the Aharonov–Bohm oscillations in several cases. We report and analyze exact analytical results for a few such cases.

机译：我们提出了两个耦合的介观环的简单模型，该环由磁通量穿过，模拟了以受控方式进行电子传输的设备。在严格的约束形式中，我们精确地计算出在连续能量范围内，在费米能级的任何所需位置都可以触发完全弹道传递的条件。通过适当调整通过两个环的磁通值，可以轻松控制开关动作。跨环系统的一般传输显示出有趣的特征，这些特征的特征是Fano共振的出现和崩溃，以及在某些情况下可抑制Aharonov-Bohm振荡。我们报告并分析了一些此类情况的准确分析结果。

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《Physica status solidi, B. Basic research》 |2011年第3期|共6页
作者
Supriya Jana; Arunava Chakrabarti;
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正文语种 eng
中图分类固体物理学;
关键词
Aharonov–Bohm effect; electronic transport; Fano resonances; tight binding model;

机译：Aharonov–Bohm效应;电子传输;Fano共振;紧密结合模型;

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1. Controlled electron transport in coupled Aharonov–Bohm rings [J] . Supriya Jana, Arunava Chakrabarti Physica status solidi, B. Basic research . 2011,第3期

机译：耦合Aharonov–Bohm环中的受控电子传输
2. Electron transport through an Aharonov-Bohm ring with a side-coupled quantum dot [J] . He ZB, Xiong YJ Physics Letters, A . 2006,第1a4期

机译：电子通过带有侧耦合量子点的Aharonov-Bohm环传输
3. Spin rotation and polarization of transport electrons through a three-electrode Aharonov-Bohm ring with spin-orbit coupling [J] . Fei HM, Li ZJ, Nie YH, Modern Physics Letters, B. Condensed Matter Physics, Statistical Physics, Applied Physics . 2008,第17期

机译：通过具有自旋轨道耦合的三电极Aharonov-Bohm环的自旋旋转和传输电子的极化
4. ELECTRON TRANSPORT THROUGH A LATERALLY COUPLED TRIPLE QUANTUM DOT FORMING AHARONOV-BOHM INTERFEROMETER [C] . T. KUBO, Y. TOKURA, S. AMAHA, International Symposium on Foundations of Quantum Mechanics in the Light of New Technology . 2009

机译：通过横向耦合的三量子点形成Aharonov-Bohm干涉仪的电子传输
5. Electron matter optics of the Aharonov-Bohm and Stern-Gerlach effects [D] . McGregor, Scot Cameron 2013

机译：Aharonov-Bohm和Stern-Gerlach效果的电子物质光学器件
6. Persistent current in a correlated quantum ring with electron-phonon interaction in the presence of Rashba interaction and Aharonov-Bohm flux [O] . P. J. Monisha, I. V. Sankar, Shreekantha Sil, -1

机译：在存在Rashba相互作用和Aharonov-Bohm通量的情况下具有电子-声子相互作用的相关量子环中的持久电流
7. Controlled electron transport in coupled Aharonov-Bohm rings [O] . Supriya Jana, Arunava Chakrabarti 2016

机译：耦合aharonov-Bohm环中的受控电子传输
8. Aharonov-Bohm oscillations with fractional period in a multichannel Wigner crystal ring [R] . Krive, I. V. , Krokhin, A. A. 1997

机译：aharonov-Bohm在多通道Wigner晶体环中以小数周期振荡

Controlled electron transport in coupled Aharonov–Bohm rings

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