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相关论文: The Fano-Rashba effect

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We predict the occurrence of Fano lineshapes in a semiconductor quantum wire with local spin-orbit (Rashba) coupling. We show that the Rashba interaction acts in a strictly one dimensional channel as an attractive impurity, leading to the…

介观与纳米尺度物理 · 物理学 2009-11-11 David Sanchez , Llorens Serra

We investigate the electronic transport in a quantum wire with localized Rashba interaction. The Rashba field forms quasi-bound states which couple to the continuum states with an opposite spin direction. The presence of this Rashba dot…

介观与纳米尺度物理 · 物理学 2009-11-11 Rosa Lopez , David Sanchez , Llorens Serra

We consider the electronic transport through a Rashba quantum dot coupled to ferromagnetic leads. We show that the interference of localized electron states with resonant electron states leads to the appearance of the Fano-Rashba effect.…

介观与纳米尺度物理 · 物理学 2009-11-13 P. A. Orellana , M. Amado , F. Dominguez-Adame

In this paper, we investigate the influence of Majorana bound states on the Fano-Rashba effect in a two-channel Fano-Anderson model. Employing Green's function formalism and the equation of motion method, we compute the transmission through…

介观与纳米尺度物理 · 物理学 2024-09-04 B. Grez , J. P. Ramos-Andrade , P. A. Orellana

We investigate the electron transport through a mesoscopic ring side-coupled with a quantum dot(QD) in the presence of Rashba spin-orbit(SO) interaction. It is shown that both the Fano resonance and the spin interference effects play…

介观与纳米尺度物理 · 物理学 2015-05-18 Guo-Hui Ding , Bing Dong

We study the interference of two tunable Rashba regions in a quantum wire with one propagating mode. The transmission dips (Fano-Rashba dips) of the two regions either cross or anti cross depending on the distance between the two regions.…

介观与纳米尺度物理 · 物理学 2015-03-18 A. Renart , M. M. Gelabert , L. Serra

Quantum wires with periodic local Rashba spin-orbit couplings are proposed for a higher performance of spin field-effect transistor. Fano-Rashba quantum interference due to the spin-dependent modulated structure gives rise to a broad energy…

介观与纳米尺度物理 · 物理学 2008-12-20 L. Wang , K. Shen , S. Y. Cho , M. W. Wu

The effect of Rashba spin-orbit interaction in quantum wires with hard-wall boundaries is discussed. The exact wave function and eigenvalue equation are worked out pointing out the mixing between the spin and spatial parts. The spectral…

介观与纳米尺度物理 · 物理学 2007-05-23 C. A. Perroni , D. Bercioux , V. M. Ramaglia , V. Cataudella

We investigate the transport properties of ballistic quantum wires in the presence of Zeeman spin splittings and a spatially inhomogeneous Rashba interaction. The Zeeman interaction is extended along the wire and produces gaps in the energy…

介观与纳米尺度物理 · 物理学 2009-11-13 David Sanchez , Llorens Serra , Mahn-Soo Choi

Electron transport through a spin-orbit-coupled quantum ring is investigated within linear response theory. We show that the finite width of the ring results in the appearance of Fano resonances in the conductance. This turns out to be a…

介观与纳米尺度物理 · 物理学 2011-12-30 M. P. Nowak , B. Szafran , F. M. Peeters

This article presents an overview of results pertaining to electronic structure, transport properties, and interaction effects in ballistic quantum wires with Rashba spin splitting. Limits of weak and strong spin--orbit coupling are…

介观与纳米尺度物理 · 物理学 2009-11-10 M. Governale , U. Zuelicke

We study a quantum network extending in one-dimension (chain of square loops connected at one vertex) made up of quantum wires with Rashba spin-orbit coupling. We show that the Rashba effect may give rise to an electron localization…

介观与纳米尺度物理 · 物理学 2007-05-23 Dario Bercioux , Michele Governale , Vittorio Cataudella , Vincenzo Marigliano Ramaglia

We study the electrical conductance in single-mode quantum wires with Rashba spin-orbit interaction subjected to externally applied magnetic fields in the regime in which the ratio of spin-orbit momentum to the Fermi momentum is close to an…

介观与纳米尺度物理 · 物理学 2018-07-17 Pavel P. Aseev , Daniel Loss , Jelena Klinovaja

The electronic transport in a system of two quantum rings side-coupled to a quantum wire is studied via a single-band tunneling tight-binding Hamiltonian. We derived analytical expressions for the conductance and spin polarization when the…

介观与纳米尺度物理 · 物理学 2008-03-31 V. M. Apel , P. A. Orellana , M. Pacheco

We present a formalism to study quantum networks made up by single-channel quantum wires in the presence of Rashba spin-orbit coupling and magnetic field. In particular, linear transport through one-dimensional and two-dimensional…

介观与纳米尺度物理 · 物理学 2007-05-23 Dario Bercioux , Michele Governale , Vittorio Cataudella , Vincenzo Marigliano Ramaglia

The influence of the Rashba spin-orbit coupling on the electron spin dynamics is investigated for a ballistic semiconductor quantum wire with a finite width. We monitor the spin evolution using the time-dependent Schr\"odinger equation. The…

介观与纳米尺度物理 · 物理学 2009-11-10 Manuel Valin-Rodriguez , Antonio Puente , Llorens Serra

We investigate the effect of strong interactions on the spectral properties of quantum wires with strong Rashba spin-orbit interaction in a magnetic field, using a combination of Matrix Product State and bosonization techniques. Quantum…

强关联电子 · 物理学 2017-06-07 Georg W. Winkler , Martin Ganahl , Dirk Schuricht , Hans Gerd Evertz , Sabine Andergassen

We present analytical and numerical results for the effect of Rashba spin-orbit coupling on band structure, transport, and interaction effects in quantum wires when the spin precession length is comparable to the wire width. In contrast to…

介观与纳米尺度物理 · 物理学 2009-11-07 M. Governale , U. Zuelicke

We present semiclassical and quantum mechanical results for the effects of a strong magnetic field in Quantum Wires in the presence of Rashba Spin Orbit coupling. Analytical and numerical results show how the perturbation acts in the…

介观与纳米尺度物理 · 物理学 2016-08-31 S. Bellucci , P. Onorato

Semiconductor Rashba nanowires are quasi-one dimensional systems that have large spin-orbit (SO) coupling arising from a broken inversion symmetry due to an external electric field. There exist parametrized multiband models that can…

介观与纳米尺度物理 · 物理学 2020-08-25 Samuel D. Escribano , Alfredo Levy Yeyati , Elsa Prada
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