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相关论文: Quantum Transport in an Array of Mesoscopic Rings:…

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Electronic transport through a quantum wire sandwiched between two metallic electrodes and coupled to a quantum ring, threaded by a magnetic flux $\phi$, is studied. An analytic approach for the electron transport through the bridge system…

介观与纳米尺度物理 · 物理学 2009-11-06 Santanu K. Maiti

Electron transport properties of a non-interacting mesoscopic ring sandwiched between two metallic electrodes are investigated by the use of Green's function formalism. We introduce a parametric approach based on the tight-binding model to…

介观与纳米尺度物理 · 物理学 2009-11-06 Santanu K. Maiti

In the present review we make a comprehensive analysis of our understanding on electron transport in mesoscopic single-channel rings and multi-channel cylinders within a tight-binding framework. A spectacular mesoscopic phenomenon where a…

介观与纳米尺度物理 · 物理学 2013-05-22 Santanu K. Maiti

Transport through a molecule sandwiched between two metallic electrodes and coupled to a mesoscopic ring that threads a magnetic flux $\phi$ is studied. An analytic approach for the electron transport through the molecular bridge system is…

介观与纳米尺度物理 · 物理学 2010-01-10 Santanu K. Maiti

We explore OR gate response in a mesoscopic ring threaded by a magnetic flux $\phi$. The ring is symmetrically attached to two semi-infinite one-dimensional metallic electrodes and two gate voltages, viz, $V_a$ and $V_b$, are applied in one…

介观与纳米尺度物理 · 物理学 2009-11-20 Santanu K. Maiti

We study theoretically the transmission properties of serially connected mesoscopic rings threaded by a magnetic flux. Within a tight-binding formalism we derive exact analytical results for the transmission through periodic and…

介观与纳米尺度物理 · 物理学 2009-11-10 Arunava Chakrabarti , Rudolf A. Roemer , Michael Schreiber

We explore electron transport in a thin cylinder, attached to two semi-infinite one-dimensional metallic electrodes, in the presence of both longitudinal and transverse magnetic fluxes. A simple tight-binding model is used to describe the…

介观与纳米尺度物理 · 物理学 2009-06-29 Santanu K. Maiti

Electronic transport properties through some model quantum systems are re-visited. A simple tight-binding framework is given to describe the systems where all numerical calculations are made using the Green's function formalism. First, we…

介观与纳米尺度物理 · 物理学 2015-03-19 Santanu K. Maiti

We undertake an in-depth analysis of the magneto-transport properties in mesoscopic single-channel rings and multi-channel cylinders within a tight-binding formalism. The main focus of this review is to illustrate how the long standing…

介观与纳米尺度物理 · 物理学 2012-06-21 Santanu K. Maiti

Electron transport through multi-terminal rectangular arrays of quantum rings is studied in the presence of Rashba-type spin-orbit interaction (SOI) and of a perpendicular magnetic field. Using the analytic expressions for the transmission…

介观与纳米尺度物理 · 物理学 2009-11-13 Orsolya Kalman , Peter Foldi , Mihaly G. Benedict , Francois M. Peeters

We investigate magneto-transport properties of a $\theta$ shaped three-arm mesoscopic ring where the upper and lower sub-rings are threaded by Aharonov-Bohm fluxes $\phi_1$ and $\phi_2$, respectively, within a non-interacting electron…

介观与纳米尺度物理 · 物理学 2013-07-02 Srilekha Saha , Santanu K. Maiti , S. N. Karmakar

We describe XNOR gate response in a mesoscopic ring threaded by a magnetic flux $\phi$. The ring is attached symmetrically to two semi-infinite one-dimensional metallic electrodes and two gate voltages, viz, $V_a$ and $V_b$, are applied in…

介观与纳米尺度物理 · 物理学 2009-11-20 Santanu K. Maiti

We explore NOT gate response in a mesoscopic ring threaded by a magnetic flux $\phi$. The ring is attached symmetrically to two semi-infinite one-dimensional metallic electrodes and a gate voltage, viz, $V_a$, is applied in one arm of the…

介观与纳米尺度物理 · 物理学 2010-04-13 Santanu K. Maiti

The system described in this work consists of a quantum dot inserted in a mesoscopic ring threaded by a magnetic flux. Our aim is to present a complete description for this device and to predict the physics of a experiment with these…

介观与纳米尺度物理 · 物理学 2007-05-23 Valeria Ferrari , Guillermo Chiappe , Enrique Anda

In the present work we explore electron transport properties through a quantum interferometer attached symmetrically to two one-dimensional semi-infinite metallic electrodes, namely, source and drain. The interferometer is made up of two…

介观与纳米尺度物理 · 物理学 2010-05-03 Santanu K. Maiti

We explore spin dependent transport through a magnetic quantum wire which is attached to two non-magnetic metallic electrodes. We adopt a simple tight-binding Hamiltonian to describe the model where the quantum wire is attached to two…

介观与纳米尺度物理 · 物理学 2015-03-13 Moumita Dey , Santanu K. Maiti , S. N. Karmakar

The electronic transport of a noninteracting quantum ring side-coupled to a quantum wire is studied via a single-band tunneling tight-binding Hamiltonian. We found that the system develops an oscillating band with antiresonances and…

介观与纳米尺度物理 · 物理学 2009-11-10 P. A. Orellana , M. L. Ladron de Guevara , M. Pacheco , A. Latge

Magneto-transport properties are investigated in a binary alloy ring subjected to an Aharonov-Bohm (AB) flux \phi within a single-band non-interacting tight-binding framework. In the first part, we expose analytically the behavior of…

介观与纳米尺度物理 · 物理学 2012-04-10 Paramita Dutta , Santanu K. Maiti , S. N. Karmakar

The transport of fermions through nanocircuits plays a major role in mesoscopic physics. Exploring the analogy with classical wave scattering, basic notions of nanoscale transport can be explained in a simple way, even at the level of…

介观与纳米尺度物理 · 物理学 2014-03-06 B. A. Z. Antonio , A. A. Lopes , R. G. Dias

Quantum transport properties are instrumental to understanding quantum coherent transport processes. Potential applications of quantum transport are widespread, in areas ranging from quantum information science to quantum engineering, and…

量子物理 · 物理学 2016-12-04 L. Jin
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