唯象等离子体激元展宽及其与色散的关系
Phenomenological plasmon broadening and relation to the dispersion
摘要：
务实的方式，包括寿命扩大的集体模式的电子液体进行了批判性的比较。特别关注的是对分散的阻尼参数的影响。它是定量例示的二维的情况下，对于这两个，电荷（“片”）等离子体和自旋密度等离子体。预测的偏差落在先进技术的分辨率范围内。
英文摘要：
Pragmatic ways of including lifetime broadening of collective modes in the electron liquid are critically compared. Special focus lies on the impact of the damping parameter onto the dispersion. It is quantitatively exemplified for the two-dimensional case, for both, the charge (`sheet'-)plasmon and the spin-density plasmon. The predicted deviations fall within the resolution limits of advanced techniques.
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