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We demonstrate the possibility to efficiently split the near-field heat flux exchanged between graphene nano-disks by tuning their doping. This result paves the way for the developement of an active control of propagation directions for…

A tomographic study of near-field radiative heat exchanges between a mesoscopic object and a substrate immersed in a thermal bath is carried out within the theoretical framework of fluctuational electrodynamics. By using the…

Mesoscale and Nanoscale Physics · Physics 2025-01-07 Florian Herz , Riccardo Messina , Philippe Ben-Abdallah

Radiative heat exchange of spherical particles between each other and with thick polarizable plates is studied in the framework of fluctuation electrodynamics. An additive dipole approximation for the thermal conductance of micrometer sized…

Other Condensed Matter · Physics 2011-02-18 G. V. Dedkov , A. A. Kyasov

The demand for sophisticated tools and approaches in heat management and control has triggered fast development of emerging fields including conductive thermal metamaterials, nanophononics, far-field and near-field radiative thermal…

Applied Physics · Physics 2021-03-17 Ying Li , Wei Li , Tiancheng Han , Xu Zheng , Jiaxin Li , Baowen Li , Shanhui Fan , Cheng-Wei Qiu

We theoretically study heat transfer between two anisotropic nanoparticles in vacuum, and derive closed expressions in terms of the anisotropic dipole polarizabilities. We show that transfer between two small spheroids can be many times as…

Quantum Physics · Physics 2015-06-18 Roberta Incardone , Thorsten Emig , Matthias Krüger

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…

In a complementary article, we exploited algebraic properties of Maxwell's equations and fundamental principles such as electromagnetic reciprocity and passivity, to derive fundamental limits to radiative heat transfer applicable in near-…

Classical Physics · Physics 2020-01-15 Prashanth S. Venkataram , Sean Molesky , Weiliang Jin , Alejandro W. Rodriguez

Resonant tunneling of surface polaritons across a subwavelength vacuum gap between two polar or metallic bodies at different temperatures leads to an almost monochromatic heat transfer which can exceed by several orders of magnitude the…

Quantum Physics · Physics 2015-06-05 Riccardo Messina , Mauro Antezza , Philippe Ben-Abdallah

We calculate intensity of radiative heat transfer and radiative conductance in a system of two spherical particles embedded in equilibrium vacuum background (photon gas). The temperatures of the particles and of the background radiation are…

Other Condensed Matter · Physics 2011-08-10 G. V. Dedkov , A. A. Kyasov

Transiting planets provide a unique opportunity to study the atmospheres of extra-solar planets. Radiative hydrodynamical models of the atmosphere provide a crucial link between the physical characteristics of the atmosphere and the…

Astrophysics · Physics 2009-11-13 Ian Dobbs-Dixon

Heat shuttling phenomenon is characterized by the presence of a non-zero heat flow between two bodies without net thermal bias on average. It was initially predicted in the context of nonlinear heat conduction within atomic lattices coupled…

We find an unusually optimal near field heat transfer, where the maximum heat transfer is reached at experimentally feasible gap separation. We attribute this to the localized zero-energy electronic edge states, which also substantially…

Mesoscale and Nanoscale Physics · Physics 2019-03-28 Gaomin Tang , Han Hoe Yap , Jie Ren , Jian-Sheng Wang

In the present Letter we investigate the heat and momentum fluxes radiated by a hot magneto-optical nanoparticle in its surrounding under the action of an external magnetic field. We show that the flux lines circulate in a confined region…

Mesoscale and Nanoscale Physics · Physics 2018-05-16 Annika Ott , Philippe Ben-Abdallah , Svend-Age Biehs

Radiative heat transfer (RHT) and radiative thermal energy (RTE) for 2D nanoparticle ensembles are investigated in the framework of many-body radiative heat transfer theory. We consider nanoparticles made of different materials: metals…

Mesoscale and Nanoscale Physics · Physics 2025-03-07 Minggang Luo , Junming Zhao , Linhua Liu , Mauro Antezza

We review recent theoretical developments on the nanoscale radiative heat transfer in magneto-optical many-particle systems. We discuss in detail the circular heat flux, the giant magneto-resistance effect, the persistent heat current, and…

Mesoscale and Nanoscale Physics · Physics 2019-04-30 Annika Ott , Riccardo Messina , Philippe Ben-Abdallah , Svend-Age Biehs

This paper studies the effects of mixed convection fluid motion and heat transmission of Al2O3-Water nanofluid in a square enclosure including two heated obstacles, with temperature and nanoparticle concentration being determined by the…

Fluid Dynamics · Physics 2024-01-12 Hashnayne Ahmed , Chinmayee Podder

In this opinion piece, we discuss recent advances in experimental methods for characterizing phase change heat transfer. We begin with a survey of techniques for high-resolution measurements of temperature and heat flux at the solid surface…

Mesoscale and Nanoscale Physics · Physics 2014-08-04 Jacopo Buongiorno , David G. Cahill , Carlos H. Hidrovo , Saeed Moghaddam , Aaron J. Schmidt , Li Shi

A theory of temperature dynamics in many-body systems driven by time-dependent external sources is introduced. The formalism based on the combination of the perturbation theory and the fluctuational-electrodynamics approach in many-body…

Mesoscale and Nanoscale Physics · Physics 2021-07-14 Alireza Naeimi , Moladad Nikbakht

We study the Casimir-Lifshitz force and the radiative heat transfer in a system consisting of three bodies held at three independent temperatures and immersed in a thermal environment, the whole system being in a stationary configuration…

Quantum Physics · Physics 2014-05-12 Riccardo Messina , Mauro Antezza

Frictional contacts lead to the formation of a surface layer called the third body, consisting of wear particles and structures resulting from their agglomerates. Its behavior and properties at the nanoscale control the macroscopic…

Materials Science · Physics 2022-01-19 Tobias Brink , Enrico Milanese , Jean-François Molinari
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