通过光子晶体平板辐射传热的频率选择性近场增强：任意几何形状和材料的通用计算方法
Frequency-selective near-field enhancement of radiative heat transfer via photonic-crystal slabs: a general computational approach for arbitrary geometries and materials
摘要：
我们证明了在可设计的频率和间距的图案化（光子晶体）板之间实现增强的频率选择性近场辐射传热的可能性，利用一般的数值方法计算传热在任意几何形状和材料的时域有限差分法的基础上。我们的模拟揭示了选择性和近场增强之间的权衡板-板分离减少，图案化的热传递最终减少到未图案化的结果乘以填充因子（由标准的近似近似描述）。我们还发现，热传递可以进一步增强在选择的频率时，板坯被带到一个滑翔对称的配置，与非对称群的退化的后果。
英文摘要：
We demonstrate the possibility of achieving enhanced frequency-selective near-field radiative heat transfer between patterned (photonic crystal) slabs at designable frequencies and separations, exploiting a general numerical approach for computing heat transfer in arbitrary geometries and materials based on the finite-difference time-domain method. Our simulations reveal a tradeoff between selectivity and near-field enhancement as the slab--slab separation decreases, with the patterned heat transfer eventually reducing to the unpatterned result multiplied by a fill factor (described by a standard proximity approximation). We also find that heat transfer can be further enhanced at selective frequencies when the slabs are brought into a glide-symmetric configuration, a consequence of the degeneracies associated with the non-symmorphic symmetry group.
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