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Using the nonequilibrium Green's function (NEGF) formalism, we propose a microscopic theory for near-field heat transfer between charged metal plates focusing on the Coulomb interactions. Tight-binding models for the electrons are coupled…

介观与纳米尺度物理 · 物理学 2017-06-21 Jian-Sheng Wang , Jiebin Peng

The recent development of a scanning thermal microscope (SThM) has led to measurements of radiative heat transfer between a heated sensor and a cooled sample down to the nanometer range. This allows for comparision of the known theoretical…

介观与纳米尺度物理 · 物理学 2011-03-18 Svend-Age Biehs

When two objects made of a material which supports surface modes are brought in close proximity to each other such that the vacuum gap between them is less than the thermal wavelength of radiation, then the coupling between the surface…

介观与纳米尺度物理 · 物理学 2018-10-08 Karthik Sasihithlu

Near-field radiative heat transfer allows heat to propagate across a small vacuum gap in quantities that are several orders of magnitude greater then the heat transfer by far-field, blackbody radiation. Although heat transfer via near-field…

Here, we outline a theory of radiative heat transfer based on an equivalent electrical network representation for the hot material slabs in an arbitrary multilayered environment with arbitrary distribution of temperatures and…

Using the nonequilibrium Green's function (NEGF) formalism, we propose a microscopic theory for near-field radiative heat transfer between metal plates. Tight-binding models for the electrons are coupled to the electromagnetic field…

介观与纳米尺度物理 · 物理学 2016-07-12 Jian-Sheng Wang , Jiebin Peng

An electromagnetic theory of thermal radiation is outlined, based on the fluctuation electrodynamics of Rytov and co-workers. We discuss the basic concepts and the status of different approximations. The physical content is illustrated with…

光学 · 物理学 2021-08-06 Carsten Henkel

Here, we develop a theory of radiative heat transfer based on an equivalent electrical network representation for the hot material slabs in an arbitrary multilayered environment with arbitrary distribution of temperatures and…

It is shown that thermally excited plasmon-polariton modes can strongly mediate, enhance and \emph{tune} the near-field radiation transfer between two closely separated graphene sheets. The dependence of near-field heat exchange on doping…

介观与纳米尺度物理 · 物理学 2013-05-30 Ognjen Ilic , Marinko Jablan , John D. Joannopoulos , Ivan Celanovic , Hrvoje Buljan , Marin Soljačić

The non-contact heat transfer between two bodies is more efficient than the Stefan-Boltzmann law, when the distances are on the nanometer scale (shorter than Wien's wavelength), due to contributions of thermally excited near fields. This is…

介观与纳米尺度物理 · 物理学 2021-08-06 Carsten Henkel , Paul Philip Schmidt

A general theory of photon-mediated energy and momentum transfer in N-body planar systems out of thermal equilibrium is introduced. It is based on the combination of the scattering theory and the fluctuational-electrodynamics approach in…

介观与纳米尺度物理 · 物理学 2017-05-04 Ivan Latella , Philippe Ben-Abdallah , Svend-Age Biehs , Mauro Antezza , Riccardo Messina

A semiclassical kinetic theory is presented for the fluctuating photon flux emitted by a disordered medium in thermal equilibrium. The kinetic equation is the optical analog of the Boltzmann-Langevin equation for electrons. Vacuum…

介观与纳米尺度物理 · 物理学 2007-05-23 E. G. Mishchenko , C. W. J. Beenakker

We present a theoretical analysis that demonstrates that the far-field radiative heat transfer between objects with dimensions smaller than the thermal wavelength can overcome the Planckian limit by orders of magnitude. We illustrate this…

A formal derivation is presented of the energy transfer rate between radiation and matter due to the scattering of an isotropic distribution of resonant photons. The derivation is developed in the context of the two-level atom in the…

天体物理学 · 物理学 2010-04-29 Avery Meiksin

We propose a dynamic mechanism for the reversible regulation of photosynthesis in varying light environments. We employ a three-level quantum model to take into account the correlations between charge donors and charge acceptors immediately…

生物物理 · 物理学 2024-11-13 Guang Yang , Gen Tatara

There has been a paradigm shift from the well-known laws of thermal radiation derived over a century ago, valid only when the length scales involved are much larger than the thermal wavelength (around 10 $\mu$m at room temperature), to a…

应用物理 · 物理学 2024-02-20 Pierre-Olivier Chapuis , Bong Jae Lee , Alejandro Rodriguez

Near-field electromagnetic heat transfer holds great potential for the advancement of nanotechnology. Whereas far-field electromagnetic heat transfer is constrained by Planck's blackbody limit, the increased density of states in the…

计算物理 · 物理学 2013-05-29 Clayton Otey , Shanhui Fan

We explore in the present work the near-field radiative heat transfer between two semi-infinite parallel nonlocal dielectric planes by means of fluctuational electrodynamics. We use atheory for the nonlocal dielectric permittivityfunction…

经典物理 · 物理学 2015-07-20 F Singer , Y Ezzahri , Karl Joulain

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 investigate the radiative heat transfer along a chain of nanoparticles using both a purely kinetic approach based on the solution of a Boltzmann transport equation and an exact method (Landauer's approach) based on fluctuational…

介观与纳米尺度物理 · 物理学 2018-10-03 Christoph Kathmann , Riccardo Messina , Philippe Ben-Abdallah , Svend-Age Biehs
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