Multiple surface plasmons on an unbounded quantum plasma half-space
Plasma Physics
2016-04-19 v1 Mesoscale and Nanoscale Physics
Fluid Dynamics
Abstract
The propagation of surface plasmons on a quantum plasma half-space in the absence of any external confinement is investigated. By means of Quantum Hydrodynamic Model in the electrostatic limit it is found that the equilibrium density profile is a smooth continuous function which, in the linear regime, supports multiple non-normal surface modes. Defining a spectrum function and using a cutting condition, the dispersion relations of these modes and their relevance for realistic dynamics are computed. It is found that the multiple surface plasmons present a significant red-shift with respect to the case of fully bounded quantum plasmas.
Cite
@article{arxiv.1604.05293,
title = {Multiple surface plasmons on an unbounded quantum plasma half-space},
author = {D. I. Palade},
journal= {arXiv preprint arXiv:1604.05293},
year = {2016}
}