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Related papers: Microwave-driven Floquet-Fano interference in a ri…

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We investigate the spin-dependent transport properties of quantum-dot based structures where Kondo correlations dominate the electronic dynamics. The coupling to ferromagnetic leads with parallel magnetizations is known to give rise to…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 David Sanchez , Rosa Lopez , Mahn-Soo Choi

Coherent charge and heat transport through periodically driven nanodevices provide a platform for studying thermoelectric effects on the nanoscale. Here we study a junction comprising a quantum dot connected to two fermionic terminals by…

Mesoscale and Nanoscale Physics · Physics 2024-04-03 Debashree Chowdhury , O. Entin-Wohlman , A. Aharony

We investigate the Fano-type spectroscopic lineshapes of the T-shape double quantum dot coupled between the conducting and superconducting electrodes and analyze their stability on a decoherence. Because of the proximity effect the quantum…

Mesoscale and Nanoscale Physics · Physics 2012-06-01 J. Baranski , T. Domanski

We study the temperature-dependent quantum correction to conductivity due to the interplay of spin density fluctuations and weak disorder for a two-dimensional metal near an antiferromagnetic (AFM) quantum critical point. AFM spin density…

Strongly Correlated Electrons · Physics 2016-02-16 Philipp S. Weiß , Boris N. Narozhny , Jörg Schmalian , Peter Wölfle

We study the dynamics of two capacitively coupled quantum dots, each coupled to a lead. A Floquet Green's function approach described the system's dynamics, with the electron-electron interactions handled with the fluctuation-exchange…

Mesoscale and Nanoscale Physics · Physics 2023-07-25 Thomas D. Honeychurch , Daniel S. Kosov

Here we present a theoretical investigation of the Floquet spectrum in multiterminal quantum dot Josephson junctions biased with commensurate voltages. We first draw an analogy between the electronic band theory and superconductivity which…

Mesoscale and Nanoscale Physics · Physics 2019-08-07 Régis Mélin , Romain Danneau , Kang Yang , Jean-Guy Caputo , Benoît Doucot

We present the transport properties of a strongly correlated quantum dot attached to two leads with a side coupled non-interacting quantum dot. Transport properties are analyzed using the slave boson mean field theory which is reliable in…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 B. H. Wu , J. C. Cao , Kang-Hun Ahn

We analyze the linear thermoelectric transport properties of devices with three quantum dots in a star configuration. A central quantum dot is tunnel-coupled to source and drain electrodes and to two additional quantum dots. For a wide…

Strongly Correlated Electrons · Physics 2016-12-21 J. A. Andrade , Pablo S. Cornaglia

Shot-noise of electrons that are transmitted with probability $T$ through a quantum point contact (biased at a voltage $V_0$) leads to a fluctuating current that in turn emits radiation in the microwave regime. By calculating the Fano…

Mesoscale and Nanoscale Physics · Physics 2015-11-18 Fabian Hassler , Daniel Otten

We study the charge and spin-dependent thermoelectric response of a ferromagnetic helical system irradiated by arbitrarily polarized light, using a tight-binding framework and the Floquet-Bloch formalism. Transport properties for individual…

Mesoscale and Nanoscale Physics · Physics 2026-01-28 Sudin Ganguly , Moumita Dey , Santanu K. Maiti

We investigate the dynamics of a two-dimensional electron gas (2DEG) under circular polarized microwave radiation in presence of dilute localized impurities. Inspired by recent developments on Floquet topological insulators we obtain the…

Mesoscale and Nanoscale Physics · Physics 2018-03-21 A. D. Chepelianskii , D. L. Shepelyansky

We investigate theoretically the thermoelectric transport properties of a T-shaped double quantum dot side-coupled to a topological superconducting nanowire hosting Majorana zero-energy modes. The calculations are performed using the…

Mesoscale and Nanoscale Physics · Physics 2022-02-21 Piotr Majek , Krzysztof P. Wójcik , Ireneusz Weymann

We investigate the role of quantum coherence and higher harmonics resulting from multiple-path interference in nonlinear thermoelectricity in a two-terminal triangular triple-dot Aharonov-Bohm (AB) interferometer. We quantify the trade-off…

Mesoscale and Nanoscale Physics · Physics 2025-07-04 Jayasmita Behera , Salil Bedkihal , Bijay Kumar Agarwalla , Malay Bandyopadhyay

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

The electronic conductance of graphene-based bilayer flake systems reveal different quantum interference effects, such as Fabry-P\'erot resonances and sharp Fano antiresonances on account of competing electronic paths through the device.…

Mesoscale and Nanoscale Physics · Physics 2017-01-18 D. Zambrano , L. Rosales , A. Latgé , M. Pacheco , P. A. Orellana

We theoretically investigate the thermoelectric properties of a spin-polarized two-dimensional electron gas hosting a Kondo adatom hybridized with an STM tip. Such a setup is treated within the single-impurity Anderson model in combination…

Strongly Correlated Electrons · Physics 2014-11-25 A. C. Seridonio , E. C. Siqueira , R. Franco , J. Silva-Valencia , I. A. Shelykh , M. S. Figueira

Mode fluctuations with a long lifetime are essential for quantum information and logic operations in magnonic devices. We probe the broadband nonlinear magnetization dynamics of a high-quality ferromagnet under a strong microwave drive…

Mesoscale and Nanoscale Physics · Physics 2026-03-16 Qian-Nan Huang , Zhiping Xue , Tao Yu

Considering the low-energy model of tilted Weyl semimetal, we study the electronic transmission through a periodically driven quantum well, oriented in the transverse direction with respect to the tilt. We adopt the formalism of Floquet…

Mesoscale and Nanoscale Physics · Physics 2024-07-08 Souvik Das , Arnab Maity , Rajib Sarkar , Anirudha Menon , Tanay Nag , Banasri Basu

Inspired by recent visible pump - infrared probe spectra reported for molecular catalysts adsorbed to quantum dots, we introduce a theory of non-equilibrium vibronic Fano resonances arising from the interference of quantum dot excited-state…

Chemical Physics · Physics 2024-10-16 Luis Martinez-Gomez , Sara T. Gebre , Tianquan Lian , Raphael F. Ribeiro

We explore the electron dynamics of a system composed of double quantum dot embedded between metallic and superconducting leads in a T-shape geometry. In nanoscopic systems, where electron transfer between electrodes can be realized via…

Mesoscale and Nanoscale Physics · Physics 2023-07-25 Jan Baranski , Magdalena Baranska , Tomasz Zienkiewicz , Konrad J. Kapcia