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Near-field radiative heat transfer in many-body systems
Reviews of Modern Physics ( IF 44.1 ) Pub Date : 2021-06-16 , DOI: 10.1103/revmodphys.93.025009
S.-A. Biehs , R. Messina , P. S. Venkataram , A. W. Rodriguez , J. C. Cuevas , P. Ben-Abdallah

Many-body physics aims to understand emergent properties of systems made of many interacting objects. This review examines recent progress on the topic of radiative heat transfer in many-body systems consisting of thermal emitters interacting in the near-field regime. Near-field radiative heat transfer is a rapidly emerging field of research in which the cooperative behavior of emitters gives rise to peculiar effects that can be exploited to control heat flow at the nanoscale. Using an extension of the standard Polder and van Hove stochastic formalism to deal with thermally generated fields in N-body systems, along with their mutual interactions through multiple scattering, a generalized Landauer-like theory is derived to describe heat exchange mediated by thermal photons in arbitrary reciprocal and nonreciprocal multiterminal systems. In this review, this formalism is used to address both transport and dynamics in these systems from a unified perspective. The discussion covers (i) the description of nonadditivity of heat flux and its related effects, including fundamental limits as well as the role of nanostructuring and material choice; (ii) the study of equilibrium states and multistable states; (iii) the relaxation dynamics (thermalization) toward local and global equilibria; (iv) the analysis of heat transport regimes in ordered and disordered systems composed of a large number of objects, density, and range of interactions; and (v) the description of thermomagnetic effects in magneto-optical systems and heat transport mechanisms in non-Hermitian many-body systems. The review concludes with a listing of outstanding challenges and promising future research directions.

中文翻译:

多体系统中的近场辐射传热

多体物理学旨在了解由许多相互作用的物体组成的系统的涌现特性。本综述审查了多体系统中辐射热传递主题的最新进展,该系统由在近场区域相互作用的热发射器组成。近场辐射传热是一个迅速崛起的研究领域,在该领域中,发射器的协同行为产生了可用于控制纳米级热流的特殊效应。使用标准 Polder 和 van Hove 随机形式主义的扩展来处理N体系统,连同它们通过多次散射的相互作用,导出了一个广义的类似兰道尔的理论来描述任意互易和非互易多终端系统中由热光子介导的热交换。在这篇综述中,这种形式主义用于从统一的角度解决这些系统中的传输和动力学问题。讨论涵盖 (i) 热通量的非可加性及其相关影响的描述,包括基本限制以及纳米结构和材料选择的作用;(ii) 平衡态和多稳态的研究;(iii) 趋向于局部和全局平衡的弛豫动力学(热化);(iv) 分析由大量物体、密度和相互作用范围组成的有序和无序系统中的热传输机制;(v) 磁光系统中的热磁效应和非厄米多体系统中的热传输机制的描述。审查最后列出了突出的挑战和有希望的未来研究方向。
更新日期:2021-06-16
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