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We present a theoretical study of radiative heat transfer between dielectric nanogratings in the scattering approach. As a comparision with these exact results, we also evaluate the domain of validity of Derjaguin's Proximity Approximation…

Quantum Physics · Physics 2014-09-16 J. Lussange , R. Guérout , F. S. S. Rosa , J. -J. Greffet , A. Lambrecht , S. Reynaud

In the theory of radiative heat exchanges between two closely-spaced bodies introduced by Polder and van Hove, no interplay between the heat carriers inside the materials and the photons crossing the separation gap is assumed. Here we…

Mesoscale and Nanoscale Physics · Physics 2022-06-03 Marta Reina , Riccardo Messina , Philippe Ben-Abdallah

Near-field force and energy exchange between two objects due to quantum electrodynamic fluctuations give rise to interesting phenomena such as Casimir and van der Waals forces, and thermal radiative transfer exceeding Planck's theory of…

Mesoscale and Nanoscale Physics · Physics 2009-09-07 Arvind Narayanaswamy , Sheng Shen , Gang Chen

We study heat radiation and heat transfer for pointlike particles in a system of other objects. Starting from exact many-body expressions found from scattering theory and fluctuational electrodynamics, we find that transfer and radiation…

Quantum Physics · Physics 2018-11-05 Kiryl Asheichyk , Boris Müller , Matthias Krüger

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…

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…

Materials Science · Physics 2015-07-20 F. Singer , Y. Ezzahri , Karl Joulain

Heat transfer is studied in the system of electron double layers of correlated composite fermion quantum liquids. In the near-field regime, the primary mechanism governing interlayer energy transfer is mediated by the Coulomb interaction of…

Mesoscale and Nanoscale Physics · Physics 2024-04-16 Dmitry Zverevich , Alex Levchenko

We propose a new approach to understand the time-dependent temperature increasing process of gold-silica core-shell nanoparticles injected into chicken tissues under near-infrared laser irradiation. Gold nanoshells strongly absorb…

Mesoscale and Nanoscale Physics · Physics 2018-04-04 Vu T. T. Duong , Anh D. Phan , Nghiem T. H. Lien , Do T. Hue , Do Q. Hoa , Do T. Nga , Tran H. Nhung , Nguyen A. Viet

We demonstrate the existence of a shuttling effect for the radiative heat flux exchanged between two bodies separated by a vacuum gap when the chemical potential of photons or the temperature difference is modulated. We show that this…

Radiant emittance of dimers and ensembles of particles consisting of gold, graphite and silica glass nanoparticles in vacuum is studied numerically based on the fluctuation-electromagnetic theory. The presence of neighboring particles of…

Mesoscale and Nanoscale Physics · Physics 2013-11-01 G. V. Dedkov , A. A. Kyasov

It has been shown recently that the Coulomb part of electromagnetic interactions is more important than transverse propagation waves for the near-field enhancement of heat transfer between metal objects at a distance of order nanometers.…

Mesoscale and Nanoscale Physics · Physics 2018-07-19 Jian-Sheng Wang , Zu-Quan Zhang , Jing-Tao Lü

Thermal radiation of the hot combustion products usually does not influence noticeably the flame propagating through gaseous mixture. the situation is changed drastically in the presence even small concentration of particles, which absorb…

Fluid Dynamics · Physics 2015-09-30 M. F. Ivanov , A. D. Kiverin , M. A. Liberman

We use a probabilistic method to compute the propagation of an ionization front corresponding to the re-ionization of the intergalactic medium in a LCDM cosmology, including both hydrogen and helium. The effects of radiative transfer…

Astrophysics · Physics 2009-11-10 James Bolton , Avery Meiksin , Martin White

We analyze the heat transfer between two metals separated by a vacuum gap in the extreme near-field regime. In this cross-over regime between conduction and radiation, heat exchanges are mediated by photon, phonon and electron tunneling. We…

Mesoscale and Nanoscale Physics · Physics 2023-03-22 Mauricio Gómez Viloria , Yangyu Guo , Samy Merabia , Philippe Ben-Abdallah , Riccardo Messina

We present a theoretical study of near-field heat transfer between two uniaxial anisotropic planar structures. We investigate how the distance and relative orientation (with respect to their optical axes) between the objects affect the heat…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 Svend-Age Biehs , Felipe S. S. Rosa , Philippe Ben-Abdallah

Near-field heat transfer between two closely spaced radiating media can exceed in orders radiation through the interface of a single black body. This effect is caused by exponentially decaying (evanescent) waves which form the photon tunnel…

Optics · Physics 2015-05-27 Igor Nefedov , Constantin Simovski

We develop a dynamical theory of heat transfer between two nano systems. In particular, we consider the resonant heat transfer between two nanoparticles due to the coupling of localized surface modes having a finite spectral width. We model…

Mesoscale and Nanoscale Physics · Physics 2013-02-27 Svend-Age Biehs , Girish S. Agarwal

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…

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…

Astrophysics · Physics 2010-04-29 Avery Meiksin

We explore near-field thermal radiation transport in nanoparticles embedded within a multilayer slab structure, focusing on dynamic modulation of heat flux via cavity interactions. Our findings reveal that by tuning the distance between…

Mesoscale and Nanoscale Physics · Physics 2026-03-10 Yun-Chao Hao , Matthias Krüger , Mauro Antezza , Cheng-Long Zhou , Hong-Liang Yi , Yong Zhang
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