圆柱形波导管的辐射换热衰减缓慢
Radiative heat transfer with a cylindrical waveguide decays logarithmically slow
摘要：
两个远场分离的纳米粒子之间的辐射热传递放置在接近一个完美的导电纳米线衰减与粒子间的距离几何缓慢。这使得圆柱体成为一种优良的波导，它可以将热电磁能量传递到任意大的距离，几乎没有损失。它导致热传递的急剧增加，因此，对于几乎任何（大）分离，传递的能量可以与分离几百纳米的孤立颗粒一样大。一个现象学发现的解析公式准确地描述了在很宽的参数范围内的数值结果。
英文摘要：
Radiative heat transfer between two far-field-separated nanoparticles placed close to a perfectly conducting nanowire decays logarithmically slow with the interparticle distance. This makes a cylinder an excellent waveguide which can transfer thermal electromagnetic energy to arbitrary large distances with almost no loss. It leads to a dramatic increase of the heat transfer, so that, for almost any (large) separation, the transferred energy can be as large as for isolated particles separated by a few hundred nanometers. A phenomenologically found analytical formula accurately describes the numerical results over a wide range of parameters.
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