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

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We study a model for photovoltaic energy collection consisting of a Mott insulating layer in presence of acoustic phonons, coupled to two wide-band fermion leads at different chemical potentials and driven into a nonequilibrium steady state…

Strongly Correlated Electrons · Physics 2022-12-21 Paolo Gazzaneo , Tommaso Maria Mazzocchi , Jan Lotze , Enrico Arrigoni

Periodic driving of a quantum system can significantly alter its energy bands and even change the band topology, opening a completely new avenue for engineering novel quantum matter. Although important progress has been made recently in…

In this work we study thermodynamic manifestations of the quantum criticality in multiband unconventional superconductors. As a guiding example we consider the scenario of magnetic quantum critical point in the model that captures…

Superconductivity · Physics 2022-02-15 Jaglul Hasan , Maxim Dzero , Maxim Khodas , Alex Levchenko

Microwave band on-chip microcoils are developed for the application to single electron spin resonance measurement with a single quantum dot. Basic properties such as characteristic impedance and electromagnetic field distribution are…

Mesoscale and Nanoscale Physics · Physics 2007-10-24 Toshiaki Obata , Michel Pioro-Ladriere , Toshihiro Kubo , Katsuharu Yoshida , Yasuhiro Tokura , Seigo Tarucha

We study the electronic contribution to the main thermoelectric properties of a molecular junction consisting of a single quantum dot coupled to graphene external leads. The system electrical conductivity (G), Seebeck coefficient ($S$), and…

Mesoscale and Nanoscale Physics · Physics 2017-10-25 S. T. Rodriguez , I. Grosu , M. Crisan , I. Tifrea

Long range dipole-dipole correlation in a ferromagnetic sample can be treated in terms of collective excitations of the system as a whole. Ferrite samples with linear dimensions smaller than the dephasing length, but still much larger than…

Optics · Physics 2015-06-17 E. O. Kamenetskii , G. Vaisman , R. Shavit

We show that, nonlinear optical processes of nanoparticles can be controlled by the presence of interactions with a molecule or a quantum dot. By choosing the appropriate level spacing for the quantum emitter, one can either suppress or…

Mesoscale and Nanoscale Physics · Physics 2014-09-22 Deniz Turkpence , Gursoy B. Akguc , Alpan Bek , Mehmet Emre Tasgin

Fe$_3$GeTe$_2$ is a prototypical metallic van der Waals ferromagnet with itinerant magnetism and a highly tunable Curie temperature, yet how electronic excitations couple to spin and lattice degrees of freedom across its magnetic transition…

We calculate the finite temperature and non-equilibrium electric current through systems described generically at low energy by a singlet and \emph{two} spin doublets for $N$ and $N \pm 1$ electrons respectively, coupled asymmetrically to…

Strongly Correlated Electrons · Physics 2011-08-24 P. Roura-Bas , L. Tosi , A. A. Aligia , K. Hallberg

In this review we focus on electronic transport through semiconductor nanostructures which are driven by ac fields. Along the review we describe the available experimental information on different nanostructures, like resonant tunneling…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Gloria Platero , Ramon Aguado

We present a semiconductor master equation technique to study the input/output characteristics of coherent photon transport in a semiconductor waveguide-cavity system containing a single quantum dot. We use this approach to investigate the…

Quantum Physics · Physics 2013-05-31 S. Hughes , C. Roy

We theoretically investigate spin-resolved thermoelectric transport in a triangular ladder geometry hosting antiferromagnetic spin alignment, where lattice topology and magnetic ordering jointly enable highly efficient spin-selective energy…

Mesoscale and Nanoscale Physics · Physics 2025-12-17 Ranjini Bhattacharya , Souvik Roy

Conductance through a system consisting of a wire with side-attached quantum dots is calculated. Such geometry of the device allows to study the coexistence of quantum interference, electron correlations and their influence on conductance.…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Piotr Stefanski

This paper studies the physics of junctions containing superconducting $(S)$ and normal $(N)$ leads weakly coupled to an Anderson impurity in the Kondo regime $(K)$. Special attention is devoted to the case where one of the leads is a…

Strongly Correlated Electrons · Physics 2009-11-07 T. Aono , A. Golub , Y. Avishai

Using the Floquet formalism we study transport through an AC-driven impurity in a tight binding chain. The results obtained are exact and valid for all frequencies and barrier amplitudes. At frequencies comparable to the bulk bandwidth we…

Mesoscale and Nanoscale Physics · Physics 2017-06-27 S. A. Reyes , D. Thuberg , D. Pérez , C. Dauer , S. Eggert

While recent experiments on the spin Seebeck effect have revealed the decisive role of the magnon contribution to the heat current $Q$ in hybrid systems containing thin ferromagnetic layers, the available acoustic mismatch theory does not…

Mesoscale and Nanoscale Physics · Physics 2018-12-12 Valerij A. Shklovskij , Volodymyr V. Kruglyak , Ruslan V. Vovk , Oleksandr V. Dobrovolskiy

We theoretically investigate spin transport at the interface between the ferromagnetic insulator(FI) and a superconductor(SC). Considering a simple FI-SC interface model, we derive formulas for the spin current and spin-current noise…

Mesoscale and Nanoscale Physics · Physics 2019-04-24 T. Kato , Y. Ohnuma , M. Matsuo , J. Rech , T. Jonckheere , T. Martin

We consider a pair of quantum dot-based spin qubits that interact via microwave photons in a superconducting cavity, and that are also parametrically driven by separate external electric fields. For this system, we formulate a model for…

Quantum Physics · Physics 2024-10-04 V. Srinivasa , J. M. Taylor , J. R. Petta

We use the quasienergy structure that emerges when a fluxonium superconducting circuit is driven periodically to encode quantum information with dynamically induced flux-insensitive sweet spots. The framework of Floquet theory provides an…

Quantum Physics · Physics 2020-11-25 Pranav S. Mundada , András Gyenis , Ziwen Huang , Jens Koch , Andrew A. Houck

We investigate the linear thermoelectric response of an interacting quantum dot side-coupled by one of two Majorana fermions (MFs) formed at the ends of a topological superconducting wire. We employ the numerical renormalization group…

Mesoscale and Nanoscale Physics · Physics 2014-08-22 Heunghwan Khim , Rosa Lopez , Jong Soo Lim , Minchul Lee