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Understanding the current-induced vibrational dynamics in molecular nanojunctions is critical for gaining insight into the stability of such systems. While it is well known that Joule heating at higher bias voltages plays an important role…

Mesoscale and Nanoscale Physics · Physics 2025-03-26 Martin Mäck , Riley J. Preston , Michael Thoss , Samuel L. Rudge

A theoretical study of the thermoelectric current and energy harvesting in an interacting double quantum dot system, connected to reservoirs held at different chemical potentials and temperatures is presented. Using a rate-equation…

Mesoscale and Nanoscale Physics · Physics 2019-02-27 Yair Mazal , Yigal Meir , Yonatan Dubi

We demonstrate a direct approach to investigate heat transport in the fractional quantum Hall regime. At filling factor of 4/3, we inject power at quantum point contacts and detect the related heating from the activated current through a…

Mesoscale and Nanoscale Physics · Physics 2012-08-21 C. Altimiras , H. le Sueur , U. Gennser , A. Anthore , A. Cavanna , D. Mailly , F. Pierre

Highly disordered superconductors, in the magnetic-field-driven insulating state, can show discontinuous current-voltage characteristics. Electron overheating has been shown to give a consistent description of this behavior, but there are…

Strongly Correlated Electrons · Physics 2016-11-30 Tal Levinson , Adam Doron , Idan Tamir , Girish Chandra Tewari , Dan Shahar

We theoretically investigate a photosystem II-based reaction center modeled as a nonequilibrium quantum junction. We specifically focus on the electron-electron interactions that enable cotunneling events to be captured through quantum…

Mesoscale and Nanoscale Physics · Physics 2024-10-16 Debasish Sharma , Manash Jyoti Sarmah , Mriganka Sandilya , Himangshu Prabal Goswami

Most of the existing classical CO$_2$ models fail to reproduce some or many experimental properties such as surface tension, vapor pressure, density and dielectric constant at difference thermodynamic conditions. Therfore, it is proposed a…

Atomic Physics · Physics 2019-05-09 Raul Fuentes-Azcatl , Hector Dominguez

The specific heat of (Na,Ca)Co_{2}O_{4} is measured at low-temperatures to determine the magnitude of the electronic specific-heat coefficient \gamma, in an attempt to gain an insight into the origin of the unusually large thermoelectric…

Strongly Correlated Electrons · Physics 2009-10-31 Yoichi Ando , N. Miyamoto , Kouji Segawa , T. Kawata , I. Terasaki

We study properties of effective temperature of non-equilibrium steady states by using the anti-de Sitter spacetime/conformal field theory (AdS/CFT) correspondence. We consider non-equilibrium systems with a constant flow of current along…

High Energy Physics - Theory · Physics 2015-03-04 Hironori Hoshino , Shin Nakamura

In this work, we study quantum heat transport in a single trapped ion, driven by laser excitation and coupled to thermal reservoirs operating at different temperatures. Our focus lies in understanding how different laser coupling scenarios…

Quantum Physics · Physics 2025-03-03 T. Tassis , F. Brito , F. L. Semião

An inverse problem for a stationary heat transfer process is studied for a totally isolated bar on its lateral surface, made up of two consecutive sections of different, isotropic and homogeneous materials, perfectly assembly, where one of…

Analysis of PDEs · Mathematics 2021-05-28 Guillermo Federico Umbricht , Diana Rubio , Domingo Alberto Tarzia

We study the non equilibrium statistical properties of a one dimensional hard-rod fluid undergoing collisions and subject to a spatially non uniform Gaussian heat-bath and periodic potential. The system is able to sustain finite currents…

Statistical Mechanics · Physics 2012-05-25 Fabio Cecconi , Giulio Costantini , Umberto Marini Bettolo Marconi

The nonlinear interaction of DC current flowing in a thin metal film with an external low-frequency AC electromagnetic field is studied theoretically. The nonlinearity is related to the influence of the magnetic field of the DC current and…

Condensed Matter · Physics 2009-10-31 S. A. Derev'anko , G. B. Tkachev , V. A. Yampol'skii

A general axion-electrodynamic formalism is presented on the phenomenological level when the environment is dielectric (permittivity and permeability assumed to be constants). Thereafter, a strong and uniform magnetic field is considered in…

High Energy Physics - Phenomenology · Physics 2022-03-23 Iver Brevik , Masud Chaichian

We investigate the layered magnetic semiconductor EuTe4, focusing on its intricate charge-density wave (CDW) states near and above room temperature through single-crystal X-ray diffraction (XRD), magnetic, and thermoelectric…

Materials Science · Physics 2025-08-25 Hidefumi Takahashi , Kiichiro Yoshida , Akitoshi Nakano , Shintaro Ishiwata

We present measurements of the electron temperature using gate defined quantum dots formed in a GaAs 2D electron gas in both direct transport and charge sensing mode. Decent agreement with the refrigerator temperature was observed over a…

Mesoscale and Nanoscale Physics · Physics 2015-09-08 D. Maradan , L. Casparis , T. -M. Liu , D. E. F. Biesinger , C. P. Scheller , D. M. Zumbühl , J. Zimmerman , A. C. Gossard

We study the backaction of quantum measurements on heat transport through a two-level system by considering the continuous quantum measurement onto an eigenstate of the two-level system. For the nonselective measurement, the backaction…

Mesoscale and Nanoscale Physics · Physics 2022-11-30 Tsuyoshi Yamamoto , Yasuhiro Tokura , Takeo Kato

We simulate bulk materials under strong currents by following in real-time the dynamics of the electrons under an electric field. By changing the intensity of the electric field, our method can model, for the first time, non-linear effects…

Materials Science · Physics 2017-02-03 Xavier Andrade , Sebastien Hamel , Alfredo A. Correa

A proximity-effect thermometer measures the temperature dependent critical supercurrent in a long superconductor - normal metal - superconductor (SNS) Josephson junction. Typically, the transition from the superconducting to the normal…

Superconductivity · Physics 2010-03-29 M. Meschke , J. T. Peltonen , H. Courtois , J. P. Pekola

We use thermal imaging of Joule heating to see for the first time electrical conducting paths created by the so-called Branly effect in a two-dimensional metallic granular medium (aluminium). Multiple breakdowns are shown to occur when the…

Disordered Systems and Neural Networks · Physics 2009-10-31 D. Vandembroucq , A. C. Boccara , S. Roux

We present experimental evidence of a thermoelectric effect at the interface between two liquid metals. Using superimposed layers of mercury and gallium in a cylindrical vessel operating at room temperature, we provide a direct measurement…

Fluid Dynamics · Physics 2024-09-05 Marlone Vernet , Stephan Fauve , Christophe Gissinger