Theory of the photon-drag effect in simple metals
Theory of the photon-drag effect in simple metals
复制标题
DOI：
10.1103/physrevb.61.10471
复制
发表时间：
2000-04-15
影响因子：
3.7
通讯作者：
Schaich, WL
中科院分区：
文献类型：
--
作者：
Goff, JE;Schaich, WL
我们推导并评估了简单金属中光子拖曳效应的量子力学自洽场论。光照射平坦表面上的感应电压的计算基于一种方案，该方案允许单独处理取决于体或表面响应特性的贡献。微观理论在类似于二次谐波产生的数值公式中使用了与时间相关的局域密度泛函方法，但结合了有限阻尼。结果表明，对响应电子的表面行为具有相当大的敏感性，与早期的流体动力学估计相比，表面贡献的强度增加了两个数量级。
We derive and evaluate a quantum mechanical, self-consistent field theory of the photon-drag effect in simple metals. The calculation of the induced voltage across a flat surface illuminated with light is based on a scheme that allows the separate treatment of contributions that depend on bulk or surface response properties. The microscopic theory uses the time-dependent local density-functional approach in a numerical formulation similar to that for second harmonic generation, but incorporates finite damping, The results show a consider able sensitivity to the surface behavior of the responding electrons, with the strength of the surface contribution increased by two orders of magnitude compared to an earlier hydrodynamic estimate.