Electromagnetic scattering by a polydispersion of small charged cosmic dust particles

M. Kocifaj, J. Klačka, G. Videen

Abstract


Some recent studies on extended red emissions suggest the presence of very small dust particles in the Universe. The sizes of these particles vary from 1 nm to some tens of nanometers, thus situating them deeply in the Rayleigh region if computations are made for visible or near infrared. The optical response of such particles can be a function of the surface charge. In this study we analyse the effect of surface electric potential on the total optical thickness and scattering phase function of the cosmic dust particles. The results are compared with those obtained for electrically neutral dust.

Keywords


small dust; surface potential; extinction;

Full Text:



[DOI: 10.1478/C1V89S1P005] About DOI

Url Resolver: : http://dx.doi.org/10.1478/C1V89S1P005


Creative Commons License
This work is licensed under a Creative Commons Attribution 3.0 License.