On Sun, 6 May 2007, G.J. Parker wrote: > When trying to fit the dispersive dielectric function of either Au or > a-Si (both from Palik), decent fits can be obtained, but one of the > delta-epsilon is negative. > > Is this a problem? By looking at http://ab-initio.mit.edu/wiki/ > index.php/Dielectric_materials_in_Meep#Material_dispersion it would > appear not. However, if I run Au spheres, I do observe an extra
I can't recall whether I've tried negative delta-epsilon myself, but I can't think of any reason off the top of my head why it would be a problem. _______________________________________________ meep-discuss mailing list [email protected] http://ab-initio.mit.edu/cgi-bin/mailman/listinfo/meep-discuss

