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We perform non-equilibrium simulations to study heat conduction in two-dimensional strongly coupled dusty plasmas. Temperature gradients are established by heating one part of the otherwise equilibrium system to a higher temperature. Heat…

等离子体物理 · 物理学 2015-05-13 Lu-Jing Hou , Alexander Piel

The dynamic heat transfer between two half-spaces separated by a vacuum gap due to coupling of their surface modes is modelled using the theory that describes the dynamic energy transfer between two coupled harmonic oscillators each…

介观与纳米尺度物理 · 物理学 2018-07-10 Karthik Sasihithlu , Girish Agarwal

We study the electric and thermoelectric transport properties of correlated quantum dots coupled to two ferromagnetic leads and one superconducting electrode. Transport through such hybrid devices depends on the interplay of…

介观与纳米尺度物理 · 物理学 2015-06-19 Krzysztof P. Wojcik , Ireneusz Weymann

Magnetic fusion devices operate at regimes characterized by extremely high temperatures and low densities, for which the charged particles motion is well described by classical mechanics. This is not true, however, for solid-state metallic…

等离子体物理 · 物理学 2015-06-23 Giovanni Manfredi , Jérôme Hurst

Very recently it has been predicted that the far-field radiative heat transfer between two macroscopic systems can largely overcome the limit set by Planck's law if one of their dimensions becomes much smaller than the thermal wavelength…

We study the heat transport along an edge state of a two-dimensional electron gas in the quantum Hall regime, in contact to two reservoirs at different temperatures. We consider two exactly solvable models for the edge state coupled to the…

介观与纳米尺度物理 · 物理学 2013-10-23 H. Aita , L. Arrachea , C. Naón , E. Fradkin

The entanglement between two identical two-level atoms interacting with two mode thermal field through a nondegenerate two-photon process has been suggested. It has been shown that for some atomic initial state the entanglement induced by…

量子物理 · 物理学 2015-06-26 E. K. Bashkirov

With the continuous advancement of nanotechnology, nanodevices have become crucial components in computing, sensing and energy conversion applications. However, the structures of nanodevices typically possess sub-wavelength dimensions and…

We introduce a new concept for electrically controlled heat flux modulation. A flux contrast larger than 10 dB is expected with switching time on the order of tens of nanoseconds. Heat flux modulation is based on the interplay between…

介观与纳米尺度物理 · 物理学 2011-04-18 P. J. van Zwol , K. Joulain , P. Ben Abdallah , J. J. Greffet , J. Chevrier

Thermal rectification phenomenon is a manifestation of an asymmetry in the heat flux when the temperature difference between two interacting thermal reservoirs is reversed. In this letter, we present a far-field radiative thermal rectifier…

介观与纳米尺度物理 · 物理学 2014-07-14 Elyes Nefzaoui , Karl Joulain , Jérémie Drevillon , Younès Ezzahri

The impact of surface roughness on conductive heat transfer across nanoscale contacts is investigated by means of scanning thermal microscopy. Silicon surfaces with out-of-plane rms roughness of ~0, 0.5, 4, 7 and 11 nm are scanned both…

We theoretically investigate the non-radiative heat transfer between two photonic crystals separated by a small gap in non-equilibrium thermal situation. We predict that the surface Bloch states coupling supported by these media can make…

光学 · 物理学 2015-05-18 Philippe Ben-Abdallah , Karl Joulain , Andrey Pryamikov

We propose a mechanism of active near-field heat transfer modulation relying on externally tunable metamaterials. A large modulation effect is observed and can be explained by the coupling of surface modes, which is dramatically varied in…

介观与纳米尺度物理 · 物理学 2013-02-06 Longji Cui , Yong Huang , Ju Wang , Ke-Yong Zhu

We study in this work the near-field radiative heat transfer between two semi-infinite parallel planes of highly n-doped semiconductors. Using a nonlocal model of the dielectric permittivity, usually used for the case of metallic planes, we…

材料科学 · 物理学 2015-07-20 F. Singer , Y. Ezzahri , Karl Joulain

We study the thermodynamic properties of a system of two-level dipoles that are coupled ultrastrongly to a single cavity mode. By using exact numerical and approximate analytical methods, we evaluate the free energy of this system at…

量子物理 · 物理学 2020-09-30 Philipp Pilar , Daniele De Bernardis , Peter Rabl

We simplify the formalism of Polder and Van Hove [Phys.Rev.B {\bf 4}, 3303(1971)], which was developed to calculate the heat transfer between macroscopic and nanoscale bodies of arbitrary shape, dispersive and adsorptive dielectric…

材料科学 · 物理学 2009-11-11 A. I. Volokitin , B. N. J. Persson

We study heat conduction in (n, 0)/(2n, 0) intramolecular junctions by using molecular dynamics method. It is found that the heat conduction is asymmetric, namely, heat transports preferably in one direction. This phenomenon is also called…

介观与纳米尺度物理 · 物理学 2007-08-18 Gang Wu , Baowen Li

For a standard two-level atom coupled to the quantized field of a resonant cavity, finite temperature effects lead to thermal occupation of the cavity modes that obfuscates measurement of the quantum nature of the atom-light interaction. In…

量子物理 · 物理学 2022-01-26 Lindsey F. Keary , Jonathan D. Pritchard

We study the conductance through finite Aharonov-Bohm rings of interacting electrons weakly coupled to non-interacting leads at two arbitrary sites. This model can describe an array of quantum dots with a large charging energy compared to…

强关联电子 · 物理学 2009-10-15 Julián Rincón , A. A. Aligia , K. Hallberg

The heating of particles by plasma radiation plays a critical role in space science involving dusty plasma as well as in industrial processes such as plasma vapor deposition, microchip production, etching and plasma fusion. Numerical…

等离子体物理 · 物理学 2025-09-09 A. Povitsky , M. N. Shneider