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相关论文: On the radiative heat exchange between spherical p…

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Near-field heat radiation and transfer are rich in various exciting effects, in particular, regarding the amplification due to the geometrical configuration of the system. In this paper, we study heat exchange in situations where the…

量子物理 · 物理学 2018-11-05 Kiryl Asheichyk , Matthias Krüger

We present a theoretical study of electrorotation (ER) of two spherical particles under the action of a rotating electric field. When the two particles approach and finally touch, the mutual polarization interaction between the particles…

软凝聚态物质 · 物理学 2007-05-23 J. P. Huang , K. W. Yu , G. Q. Gu

Accurate radiative transfer coefficients (emissivities, absorptivities, and rotativities) are needed for modeling radiation from relativistically hot, magnetized plasmas such as those found in Event Horizon Telescope sources. Here we…

高能天体物理现象 · 物理学 2021-11-03 Andrew Marszewski , Ben S. Prather , Abhishek V. Joshi , Alex Pandya , Charles F. Gammie

We describe a novel fluctuating-surface current formulation of radiative heat transfer between bodies of arbitrary shape that exploits efficient and sophisticated techniques from the surface-integral-equation formulation of classical…

材料科学 · 物理学 2015-06-15 Alejandro W. Rodriguez , M. T. Homer Reid , Steven G. Johnson

Based on a microscopic approach, we propose a Lagrangian for the combined system of a rotating dielectric nanoparticle above a plane surface in the presence of electromagnetic vacuum fluctuations. In the framework of canonical quantization,…

量子物理 · 物理学 2015-08-19 Vahid Ameri , Mehdi Shafei Aporvari , Fardin Kheirandish

This paper is devoted to deal with some mathematical and numerical aspects of the radiative integral transfer equations. First, the properties of the raidative integral operators are analyzed. Based on these results, the existence and…

数值分析 · 数学 2017-09-15 Yaochuang Han

In this article, we analyse an integral equation of the second kind that represents the solution of $N$ interacting dielectric spherical particles undergoing mutual polarisation. A traditional analysis can not quantify the scaling of the…

数值分析 · 数学 2020-07-14 Muhammad Hassan , Benjamin Stamm

A new means of incorporating radiative transfer into smoothed particle hydrodynamics (SPH) is introduced, which builds on the success of two previous methods - the polytropic cooling approximation as devised by Stamatellos et al (2007), and…

天体物理学 · 物理学 2009-11-13 Duncan Forgan , Ken Rice , Dimitris Stamatellos , Anthony Whitworth

An implicit method for radiative transfer in SPH is described. The diffusion approximation is used, and the hydrodynamic calculations are performed by a fully three--dimensional SPH code. Instead of the energy equation of state for an ideal…

天体物理学 · 物理学 2009-11-11 Serge Viau , Pierre Bastien , Seung-Hoon Cha

We study the radiative heat transfer between a spheroidal metallic nanoparticle and a planar metallic sample for near- and far-field distances. In particular, we investigate the shape dependence of the heat transfer in the near-field…

介观与纳米尺度物理 · 物理学 2015-05-27 Oliver Huth , Felix Rüting , Svend-Age Biehs , Martin Holthaus

A general formalism for calculating the Radiative Heat Transfer in many body systems with anisotropic component is presented. Our scheme extends the theory of radiative heat transfer in isotropic many body systems to anisotropic cases. In…

介观与纳米尺度物理 · 物理学 2015-06-19 M. Nikbakht

We discuss basic expressions and interrelations between various physical quantities describing the fluctuation-electromagnetic interaction of a small polarizable particle during relativistic motion relative to the blackbody radiation,…

量子物理 · 物理学 2015-12-21 G. V. Dedkov , A. A. Kyasov

A general fluctuational-electrodynamic theory is developed to investigate radiative heat exchanges between objects which are assumed small compared with their thermal wavelength (dipolar approximation) in N-body systems immersed in a…

介观与纳米尺度物理 · 物理学 2015-06-16 Riccardo Messina , Maria Tschikin , Svend-Age Biehs , Philippe Ben-Abdallah

By means of fluctuationnal electrodynamics, we calculate radiative heat flux between two pla-nar materials respectively made of SiC and SiO2. More specifically, we focus on a first (direct) situation where one of the two materials (for…

介观与纳米尺度物理 · 物理学 2015-10-28 Karl Joulain , Younes Ezzahri , Jérémie Drevillon , Benoit Rousseau , Domingos De Sousa Meneses

In the framework of the fluctuation-dissipation approach to dynamical friction, we derive an expression giving the orbital energy exchange experienced by a compound body as it moves interacting with a non homogeneous discrete background.…

天体物理学 · 物理学 2020-11-25 R. Domínguez-Tenreiro , M. A. Gómez-Flechoso

Using theoretical and numerical arguments we discuss some of the commonly accepted approximations for the radiative transfer equations in climatology.

偏微分方程分析 · 数学 2021-11-30 Claude Bardos , Francois Golse , Olivier Pironneau

For the first time, we calculate the heating rate, attractive conservative and tangential dissipative fluctuation electromagnetic forces felt by a thick plate moving parallel to a closely spaced another plate in rest using a nonrelativistic…

其他凝聚态物理 · 物理学 2009-04-02 G. V. Dedkov , A. A. Kyasov

We present a theory to describe the fluctuations of nonequilibrium radiative heat transfer between two bodies both in far and near-field regime. As predicted by the blackbody theory, in far field, we show that the variance of radiative heat…

介观与纳米尺度物理 · 物理学 2018-05-23 Svend-Age Biehs , Philippe Ben-Abdallah

We have calculated the intensity of electromagnetic radiation from particles rotating in close vicinity to a transparent dielectric plate. The radiation is a result of quantum and thermal friction occurring during particle rotation, while…

量子物理 · 物理学 2016-08-26 G. V. Dedkov , A. A. Kyasov

In this article we study the numerical approximation of a variable coefficient fractional diffusion equation. Using a change of variable, the variable coefficient fractional diffusion equation is transformed into a constant coefficient…

数值分析 · 数学 2019-02-28 Xiangcheng Zheng , V. J. Ervin , Hong Wang