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arXiv 2007.08195cond-mat.mes-hall
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通过等离子体纳米粒子拓扑Su-Schrieffer-Heeger链的辐射热通量

Radiative heat flux through a topological Su-Schrieffer-Heeger chain of plasmonic nanoparticles

Annika Ott, Svend-Age Biehs

摘要:

我们研究了InSb纳米颗粒沿Su-Schrieffer-Heeger链的辐射热输运。我们表明,在拓扑非平凡阶段,边缘模式占主导地位的辐射热输运,尽管他们强烈的本地化在有限链的边缘,由于第一个和最后一个粒子的长程耦合。我们进一步讨论了纵向和横向的带和边缘模式的热传递相对于链长的标度律,并得出结论,这两种类型的模式服从相同的标度律。

英文摘要:

We investigate the radiative heat transport along a Su-Schrieffer-Heeger chain of InSb nanoparticles. We show that in the topological non-trivial phase, the edge modes dominate the radiative heat transport despite their strong localization at the edges of the finite chain due to a long-range coupling of the first and last particle. We further discuss the scaling laws of the heat transfer with respect to the chain length for the longitudinal and transversal band- and edge modes and conclude that both type of modes obey the same scaling law.

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