小金属粒子对辐射的吸收：一般自洽方法
Absorption of radiation by small metallic particles: a general self-consistent approach
摘要：
我们介绍了一个理论的电磁辐射的吸收小金属粒子，其中概括了随机相位近似，将电和磁偶极子吸收在一个统一的自洽方案。我们证明了一个表面上不同的微扰方法的新方法的等价性。我们展示了如何使用经典近似获得自洽方程的解，同时考虑到极化率和电导率张量的非局部性。我们讨论了扩散和弹道电子动力学的自洽解的性质。
英文摘要：
We introduce a theory for the absorption of electromagnetic radiation by small metal particles, which generalises the random phase approximation by incorporating both electric and magnetic dipole absorption within a unified self-consistent scheme. We demonstrate the equivalence of the new approach to a superficially dissimilar perturbative approach. We show how to obtain solutions to the self-consistent equations using a classical approximation, taking into account the non-locality of the polarisability and the conductivity tensor. We discuss the nature of the self-consistent solutions for diffusive and ballistic electron dynamics.
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