English
Related papers

Related papers: Fano resonances in a three-terminal nanodevice

200 papers

Optical spectra of semiconductor quantum wells driven by an off-resonant oscillating field are studied theoretically. Due to the dynamical stabilization effect, the field induces the quasi-stationary electron states confined at repulsive…

Mesoscale and Nanoscale Physics · Physics 2020-12-23 O. V. Kibis , S. A. Kolodny , I. V. Iorsh

Transmission profiles in bilayer graphene have been studied theoretically in presence of a pair of delta function magnetic barriers. Two types of asymmetric Fano resonances are discussed in connection to the electronic cloaking effect in…

Mesoscale and Nanoscale Physics · Physics 2017-11-21 S. Maiti , R. Biswas , C. Sinha

We report first-principles calculations of shot noise properties of parallel carbon wires in the regime in which the interwire distance is much smaller than the inelastic mean free path. We find that, with increasing interwire distance, the…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Johan Lagerqvist , Yu-Chang Chen , Massimiliano Di Ventra

We are considering the time-dependent transport through a discrete system, consiting of a quantum dot T-coupled to an infinite tight-binding chain. The periodic driving that is induced on the coupling between the dot and the chain, leads to…

The electron transport in a four-terminal nanodevice consisting of two crossed nanotubes is investigated in the framework of the Landauer-Buttiker formalism. The evident formula for the ballistic conductance of the device is found using a…

Mesoscale and Nanoscale Physics · Physics 2011-11-09 Viktor Margulis , Mikhail Pyataev

We study frequency-dependent current noise through a single-level quantum dot connected to ferromagnetic leads with non-collinear magnetization. We propose to use the frequency-dependent Fano factor as a tool to detect single-spin dynamics…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Matthias Braun , Jürgen König , Jan Martinek

Molecular electronic devices currently serve as a platform for studying a variety of physical phenomena only accessible at the nanometer scale. One such phenomenon is the highly correlated electronic state responsible for the Kondo effect,…

Mesoscale and Nanoscale Physics · Physics 2015-03-13 Gavin D. Scott , Douglas Natelson

The concept of topological Fano resonance, characterized by an ultrasharp asymmetric line shape, is a promising candidate for robust sensing applications due to its sensitivity to external parameters and immunity to structural disorder. In…

Mesoscale and Nanoscale Physics · Physics 2024-02-20 S. Jalilvand , M. Soltani , Z. Noorinejad , M. Amini , E. Ghanbari-Adivi

We investigate the interaction between a topological insulator nanoparticle and a quantum dot in an impulse magnetic field. Since topological insulators are nonmagnetic, after the impulse has ended only the localised topological surface…

Quantum Physics · Physics 2020-12-02 L. A. Castro-Enriquez , A. Martín-Ruiz

We present first-principles calculations for moments of the current up to the third order in atomic-scale junctions. The quantum correlations of the current are calculated using the current operator in terms of the wave functions obtained…

Mesoscale and Nanoscale Physics · Physics 2011-01-14 Yu-Shen Liu , Yu-Chang Chen

Detection of quantum features in mechanical systems at the nanoscale constitutes a challenging task, given the weak interaction with other elements and the available technics. Here we describe how the interaction between two monomodal…

Quantum Physics · Physics 2015-08-10 O. P. de Sá Neto , M. C. de Oliveira , F. Nicacio , G. J. Milburn

Electronic transport properties of two quantum dots side-coupled to a quantum wire are studied by means of the two impurity Anderson Hamiltonian. The conductance is found to be a superposition of a Fano and a Breit-Wigner resonances as a…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 A. V. Malyshev , P. A. Orellana , F. Dominguez-Adame

Complex van der Waals heterostructures from layered molecular stacks are promising optoelectronic materials offering means to efficient, modular charge separation and collection layers. The effect of stacking in the electrodynamics of such…

The Fano resonance has been a familiar and important feature in atomic and molecular physics for more than half a century. Typically, the combination of a discrete state with one or more continua results in an asymmetric peak in the…

Atomic Physics · Physics 2021-02-22 Masatomi Iizawa , Satoshi Kosugi , Fumihiro Koike , Yoshiro Azuma

Electrical conductivity of one-dimensional (1d) disordered solids decays exponentially with their length, which is a celebrated manifestation of the localization phenomenon. Here, we study the modifications of localized conductivity induced…

Mesoscale and Nanoscale Physics · Physics 2024-01-30 Dmitry Svintsov , Georgy Alymov , Zhanna Devizorova , Luis Martin-Moreno

Electronic transport is theoretically investigated in laterally confined semiconductor superlattices using the formalism of non-equilibrium Green's functions. The transport properties are calculated for nanowire superlattices of varying…

Mesoscale and Nanoscale Physics · Physics 2014-04-25 Thomas Grange

We investigate the process of the second harmonic generation by plasmonic nano-antennas that exhibit Fano-like resonances. A rigorous fully vectorial Maxwell-hydrodynamics approach is employed to directly calculate the second order…

Optics · Physics 2022-09-27 Maxim Sukharev , Elena Drobnyh , Ruth Pachter

We show that external control of Fano resonances in general leads to complex Fano $q$-parameters. Fano line shapes of photo-electron and transient absorption spectra in presence of an infrared control field are investigated. Computed…

The zero-temperature magnetic field-dependent conductance of electrons through a one-dimensional non-interacting tight-binding chain with an interacting {\it side} dot is reviewed and analized further. When the number of electrons in the…

Strongly Correlated Electrons · Physics 2007-05-23 M. E. Torio , K. Hallberg , C. Proetto

We study transport through a double quantum dot system in which each quantum dot is coupled to a phonon mode. Such a system can be realized, e.g., using a suspended carbon nanotube. We find that the interplay between strong electron-phonon…

Mesoscale and Nanoscale Physics · Physics 2013-11-26 Stefan Walter , Björn Trauzettel , Thomas L. Schmidt