[Pw_forum] charge density units?

[Gisela Bocan]

Hi,
     I am running pp.x for a Ag(110) surface. I choose iflag=2 and
output_format=2 in order to obtain a file that plotrho.x can read. I see in
the outfile that positions are given in alat units. I would need no know
which units are used for the charge density. I've been googling on that for
a while but no luck so far.
     Thanks in advance!
     Gisela.
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