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We present a theoretical study of low temperature nonequilibrium transport through an interacting quantum dot in the presence of Zeeman magnetic field and current injection into one of its leads. By using a self-consistent renormalized…

Mesoscale and Nanoscale Physics · Physics 2017-01-27 Shaon Sahoo , Adeline Crépieux , Mireille Lavagna

Considering models with tilted linear and quadratic band touching dispersions, we analyze the effect of the transverse linear tilt on the transmission spectra through a harmonically driven potential well oriented longitudinally. Employing…

Mesoscale and Nanoscale Physics · Physics 2023-10-20 Anton Gregefalk , Annica Black-Schaffer , Tanay Nag

An important contribution to the thermoelectric and spin-caloric transport properties in magnetic materials at elevated temperatures is the formation of a spin-disordered state due to local moment fluctuations. This effect has not been…

Materials Science · Physics 2015-06-23 Roman Kováčik , Phivos Mavropoulos , Stefan Blügel

We investigate the Fano-Kondo interplay in an Aharonov-Bohm ring with an embedded non-interacting quantum dot and a Coulomb interacting quantum dot. Using a slave-boson mean-field approximation we diagonalize the Hamiltonian via scattering…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 R. R. Agundez , J. Verduijn , S. Rogge , M. Blaauboer

We study the Kondo effect in the electron transport through a quantum dot coupled to ferromagnetic leads, using a real-time diagrammatic technique which provides a systematic description of the nonequilibrium dynamics of a system with…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Yasuhiro Utsumi , Jan Martinek , Gerd Schön , Hiroshi Imamura , Sadamichi Maekawa

We demonstrate dynamical control of the effective spin-spin interaction, dominated by Fermi-contact interaction, in a hybrid spin system via parametric modulation. We show that, in an alkali-noble-gas comagnetometer, periodic modulation of…

The influence of electron-phonon interaction on magnetotransport in two-dimensional electron systems under microwave irradiation is studied theoretically. Apart from the phonon-induced resistance oscillations which exist in the absence of…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 O. E. Raichev

In the present work we theoretically study thermoelectric transport and heat transfer in a junction including a $T$-shaped double quantum dot coupled to nonmagnetic electrodes and supplemented with a third dot in a parallel configuration.…

Mesoscale and Nanoscale Physics · Physics 2022-07-27 Natalya A. Zimbovskaya

We theoretically investigate the thermoelectric and spin thermoelectric properties of a T-shaped double quantum dot strongly coupled to two ferromagnetic leads, focusing on transport regime where the system exhibits the two-stage Kondo…

Mesoscale and Nanoscale Physics · Physics 2017-01-04 Krzysztof P. Wójcik , Ireneusz Weymann

Harnessing the quantum coherence and tunability of molecular-scale structures, we theoretically explore thermoelectric transport in ring-shaped molecular junctions featuring dimerized hopping integrals. By engineering alternating strong and…

Other Condensed Matter · Physics 2025-12-17 Ranjini Bhattacharya , Souvik Roy

We investigate theoretically the effect of a time dependent oscillating potential on the transport property of the Dirac Fermion through a monolayer graphene electrostatic barrier under the influence of the Rashba spin orbit interaction.…

Mesoscale and Nanoscale Physics · Physics 2015-08-13 R. Biswas , C. Sinha

Nonequilibrium multi-carrier thermal transport is essential for both scientific research and technological applications in electronic, spintronic, and energy conversion devices. This article reviews the fundamentals of phonon, electron,…

Materials Science · Physics 2025-02-18 Te-Huan Liu , Tianyu Wang , Jun Zhou , Xin Qian , Ronggui Yang

We demonstrate how redox control of intra-molecular quantum interference in phase-coherent molecular wires can be used to enhance the thermopower (Seebeck coefficient) S and thermoelectric figure of merit ZT of single molecules attached to…

Mesoscale and Nanoscale Physics · Physics 2015-09-10 Víctor M. García-Suarez , Colin J. Lambert , David Zs. Manrique , Thomas Wandlowski

We theoretically investigate nonequilibrium spin fluctuations in a ferromagnet induced by a light pulse. Using a Lindblad equation consistent with the Landau-Lifshitz-Gilbert equation, we compute the autocorrelation function of…

Mesoscale and Nanoscale Physics · Physics 2025-04-03 Tetsuya Sato , Shinichi Watanabe , Mamoru Matsuo , Takeo Kato

With the help of the Green function technique and the equation of motion approach, the electronic transport through a parallel-coupled double quantum dot(DQD) is theoretically studied. Owing to the inter-dot coupling, the bonding and…

Mesoscale and Nanoscale Physics · Physics 2016-08-16 Haizhou Lu , Rong Lü , Bang-Fen Zhu

To gain control over magnetic order on ultrafast time scales, a fundamental understanding of the way electron spins interact with the surrounding crystal lattice is required. However, measurement and analysis even of basic collective…

Due to photon-assisted transport processes, chiral edge modes induced by periodic driving do not directly mediate quantized transport. Here we show how narrow bandwidth "energy filters" can restore quantization by suppressing photon…

Mesoscale and Nanoscale Physics · Physics 2024-03-01 Ruoyu Zhang , Frederik Nathan , Netanel H. Lindner , Mark S. Rudner

We study the charge transport and thermoelectric properties of the junction, comprising double quantum dot embedded in T-shaped geometry on the interface between two normal/ferromagnetic electrodes and superconducting lead. We show that the…

Mesoscale and Nanoscale Physics · Physics 2025-12-18 G. Górski , K. Kucab , T. Domański

We investigate transport through a single-level quantum dot coupled to noncollinearly magnetized ferromagnets in the presence of localized spins in either the tunnel barrier or on the quantum dot. For a spin embedded in the tunnel barrier,…

Mesoscale and Nanoscale Physics · Physics 2010-12-24 Björn Sothmann , Jürgen König

Within the Coulomb blockade regime, our study delves into the charge, spin, and thermoelectric transport characteristics in a benzene-based molecular nano-junction using the Pauli master equation and linear response theory. The charge- and…

Mesoscale and Nanoscale Physics · Physics 2024-01-17 Parbati Senapati , Prakash Parida
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