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We demonstrate that the supercurrent can be strongly enhanced in cross-like superconducting hybrid nanostructures (X-junctions) exposed to a temperature gradient. At temperatures T exceeding the Thouless energy of our X-junction the…

超导电性 · 物理学 2021-07-08 Mikhail S. Kalenkov , Andrei D. Zaikin

Effective interactions inherently encompass many-body effects that appear unified. Analyzing these in reverse, that is, separating them into contributions from pairs, triples, or larger groups, is typically intricate and seldom pursued.…

The utilization and engineering of thermo-optic effects have found broad applications in integrated photonic devices, facilitating efficient light manipulation to achieve various functionalities. Here, we perform both an experimental…

光学 · 物理学 2025-02-05 David J. Moss

The large-scale dynamics of a two-fluid system with a time dependent interaction is studied analytically and numerically. We show how a rapid transition can significantly suppress the large-scale curvature perturbation and present…

天体物理学 · 物理学 2009-11-11 T. Multamaki , J. Sainio , I. Vilja

We demonstrate that thermoelectric signal as well as dc Josephson current may be severely enhanced in multi-terminal superconducting hybrid nanostructures exposed to a temperature gradient. At temperatures $T$ strongly exceeding the…

介观与纳米尺度物理 · 物理学 2020-05-13 Mikhail S. Kalenkov , Pavel E. Dolgirev , Andrei D. Zaikin

Flexible fully transparent diodes with high rectification ratio of 5 e 8 are fabricated with all oxide materials at low temperature. The devices are optically transparent in visible spectra range and electrically robust while mechanically…

材料科学 · 物理学 2017-02-22 Yonghui Zhang , Zengxia Mei , Shujuan Cui , Huili Liang , Yaoping Liu , Xiaolong Du

Advances in solid-state device design now allow the spectrum of transmitted electrons in thermionic and thermoelectric devices to be engineered in ways that were not previously possible. Here we show that the shape of the electron energy…

材料科学 · 物理学 2009-11-11 M. F. O'Dwyer , T. E. Humphrey , R. A. Lewis , C. Zhang

The ability to store information is of fundamental importance to any computer, be it classical or quantum. To identify systems for quantum memories which rely, analogously to classical memories, on passive error protection…

量子物理 · 物理学 2015-05-14 Stefano Chesi , Beat Röthlisberger , Daniel Loss

A physical system connected to two thermal reservoirs at different temperatures is said to act as a heat rectifier when it is able to bias the heat current in a given direction, similarly to an electronic diode. We propose to quantify the…

We study the thermalization, injection, and acceleration of ions with different mass/charge ratios, $A/Z$, in non-relativistic collisionless shocks via hybrid (kinetic ions-fluid electrons) simulations. In general, ions thermalize to a…

高能天体物理现象 · 物理学 2017-11-01 Damiano Caprioli , Dennis T. Yi , Anatoly Spitkovsky

Long-range interacting systems such as nitrogen vacancy centers in diamond and trapped ions serve as useful experimental setups to probe a range of nonequilibrium many-body phenomena. In particular, via driving, various effective…

无序系统与神经网络 · 物理学 2018-05-16 Wen Wei Ho , Ivan Protopopov , Dmitry A. Abanin

We present a study on inelastic thermoelectric devices, wherein charge currents and electronic and phononic heat currents are intricately interconnected. The employment of double quantum dots in conjunction with a phonon bath positions them…

介观与纳米尺度物理 · 物理学 2024-08-06 Bei Cao , Chongze Han , Xiang Hao , Chen Wang , Jincheng Lu

A theoretical analysis is developed to investigate the effects of gas expansion due to heat release on unsteady diffusion flames evolving in a pipe flow in which the mixing of reactants is controlled by Taylor's dispersion processes thereby…

流体动力学 · 物理学 2024-07-03 Prabakaran Rajamanickam , Adam D. Weiss

In this paper we present the thermal and mechanical analysis of high-power light-emitting diodes (LEDs) with ceramic packages. Transient thermal measurements and thermo-mechanical simulation were performed to study the thermal and…

综合物理 · 物理学 2008-01-08 J. Hu , L. Yang , M. -W. Shin

In this article we discuss in detail the effective approaches to enhance the thermal conductivity in polymer composites. It is shown from numerical simulations that maximizing interfacial area between filler and polymer enhances very…

应用物理 · 物理学 2020-06-02 Vijendra Kumar , Abhishek Barnwal , R. K. Shukla , Jyoti Shakya

A field-theoretical description of the behavior of a disordered Ising system with long-range interaction is presented. The description is performed in the two-loop approximation in three dimensions using the Pade-Borel resummation…

统计力学 · 物理学 2007-05-23 S. V. Belim

We study the contribution of advection by thermal velocity fluctuations to the effective diffusion coefficient in a mixture of two identical fluids. The steady-state diffusive flux in a finite system subject to a concentration gradient is…

介观与纳米尺度物理 · 物理学 2015-05-27 A. Donev , A. de la Fuente , J. B. Bell , A. L. Garcia

Finite volume corrections to higher moments are important observable quantities. They make possible to differentiate between different statistical ensembles even in the thermodynamic limit. It is shown that this property is a universal one.…

高能物理 - 理论 · 物理学 2010-11-11 Ludwik Turko

In this paper we investigate the effect of strong electronic interactions on the thermoelectric properties of a simple generic system, consisting of a single correlated layer sandwiched between two metallic leads. Results will be given for…

强关联电子 · 物理学 2017-09-07 Irakli Titvinidze , Antonius Dorda , Wolfgang von der Linden , Enrico Arrigoni

The performance of endoreversible thermal machines operating at finite power constitutes one of the main challenges of nonequilibrium classical and quantum thermodynamics, engineering and others. We introduce the idea of adjusting the…

统计力学 · 物理学 2021-06-16 Pedro E. Harunari , Fernando S. Filho , Carlos E. Fiore , Alexandre Rosas
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