<div dir="ltr">In general the sum of the PDOS does not equal the total DOS. In general the DOS is approximates<div style="">DOS(E)= \sum_nk \delta(E-E_{nk}) while PDOS^a= \sum_nk \delta(E-E_{nk}) f^a_{nk}, where f_^a_{nk} denotes a weighting factor. In general these weight factors do not sum to one. They come calculating the overlap of the Bloch wave \Psi_{nk} with atomic centered functions stored in the atomic dataset (UPF) file. More details are available if interested. That's my 2 cents worth. Sincerely, Natalie Holzwarth</div></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature" data-smartmail="gmail_signature">N. A. W. Holzwarth email: <a href="mailto:natalie@wfu.edu" target="_blank">natalie@wfu.edu</a><div>Department of Physics web: <a href="http://www.wfu.edu/~natalie" target="_blank">http://www.wfu.edu/~natalie</a></div><div>Wake Forest University phone: 1-336-758-5510 </div><div>Winston-Salem, NC 27109 USA office: Rm. 300 Olin Physical Lab</div></div></div>
<br><div class="gmail_quote">On Wed, Aug 10, 2016 at 4:42 AM, reza vatan <span dir="ltr"><<a href="mailto:rezavatan64@gmail.com" target="_blank">rezavatan64@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div><div><div><div>Dear all,<br><br></div>I have
calculated the Projected Density of State (PDOS) and Density of States
(DOS) for a system containing Si atoms using projwfc.x and dos.x,
respectively, implemented in QE program. I'm wondering if I add the PDOS
of all atoms in the system, should I get the same DOS that I'm getting
from dos.x calculations?<br><br></div>Many thanks in advances.<br><br></div>Best,<br></div>Reza Vatan Meidanshahi,<br></div>Electrical Engineering Department,<br></div>Arizona State University. </div>
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