the ab initio methods as the siesta package are based on the theory of the functional density (dft); this theory summarily tells us that we can solve the electron density of a material through a potential,

was 1999 i had 5 years and in venezuela came to power hugo chavez with many promises of campaign help the poor change the system but like most politicians was just one of the many things they do to come

i am dayler silva student of physics at the university of zulia in venezuela my area of interest is science and political as must know right now venezuela this happening a difficult situation and the power