Resonant radiative heat transfer and many-body effects between nanoparticles and a multilayered slab

Fang, Jie-Long; Qu, Longyue; Zhang, Yong; Yi, Hong-Liang

doi:10.1103/physrevb.102.245418

Cited by 14 publications

(2 citation statements)

References 67 publications

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“…Within the dipole approximation, the radiative heat transfer can be calculated semi-analytically by employing the fluctuation-dissipation theorem (FDT). Radiative heat transfer in such a system is the simplest case of many-body radiative heat transfer, which has been discussed extensively in recent works [24][25][26][27][28][29]. Let us start from the coupled dipole model with fluctuating dipoles due to thermal excitation, which is [24]…”

Section: B Calculation Of Radiative Heat Fluxmentioning

confidence: 99%

“…Recently, Biehs and coworkers [19- * changying.zhao@sjtu.edu.cn 21] and the authors [22,23] proposed the possibility that topological optical modes may play an important role in the control of thermal radiation, especially in tailoring near-field radiative heat transfer. In fact, topological photonic systems generally reply on the specific arrangements of different micro/nanoscale elements, which naturally bear an intrinsic connection with typical systems regarding many-body radiative heat transfer [24][25][26][27][28][29], if a temperature gradient exists within them. The most typical case is nanoparticle (NP) arrays.…”

Section: Introductionmentioning

confidence: 99%

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Topological phonon polariton enhanced radiative heat transfer in bichromatic nanoparticle arrays mimicking Aubry-André-Harper model

Wang¹,

Zhao²

2022

Preprint

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Topological phonon polaritons (TPhPs) are promising optical modes relevant in long-range radiative heat transfer, information processing and infrared sensing, whose topological protection is expected to enable their robust existence and transport. In this work we show that TPhPs can be supported in one-dimensional (1D) bichromatic silicon carbide nanoparticle (NP) chains, and demonstrate that they can considerably enhance radiative heat transfer for an array much longer than the wavelength of radiation. By introducing incommensurate or commensurate modulations on the interparticle distances, the NP chain can be regarded as an extension of the off-diagonal Aubry-André-Harper (AAH) model. By calculating the eigenstate spectra with respect to the modulation phase that creates a synthetic dimension, we demonstrate that under this type of modulation the chain supports nontrivial topological modes localized over the boundaries, since the present system inherits the topological property of two-dimensional integer quantum Hall systems. In this circumstance the gap-labeling theorem and corresponding Chern number can be used to characterize the features of band gaps and topological edge modes. Based on many-body radiative heat transfer theory for a set of dipoles, we theoretically show the presence of topological gaps and midgap TPhPs can substantially enhance radiative heat transfer for an array much longer than the wavelength of radiation. We show how the modulation phase that acts as the synthetic dimension can tailor the radiative heat transfer rate by inducing or annihilating topological modes. We also discuss the role of dissipation in the enhancement of radiative heat transfer. These findings therefore provide a fascinating route for tailoring near-field radiative heat transfer based on the concept of topological physics.

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