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<p>In this work it is a calculation without spin-orbit coupling and
thus only the z component can be calculated. There is NO direction
of the external field, except that it is implicitly assumed to be
along z.. As far as I understand, this works for polycrystalline
samples.</p>
<p><br>
</p>
<p>If you do calculations including spin-orbit, then you can define
a direction of the external magnetic field. I'm not completely
sure, but from what I can see in Pavel Novaks notes, you will get
the projection onto this direction.</p>
<p>Please read P. Novaks notes about lapwdm (Hyperfine fields)
at: <a class="moz-txt-link-freetext" href="http://www.wien2k.at/reg_user/textbooks/">http://www.wien2k.at/reg_user/textbooks/</a></p>
<p>from Oct. and, updated, Dec. 2006.<br>
</p>
<p><br>
</p>
<div class="moz-cite-prefix">Am 21.06.2022 um 09:31 schrieb 王郁欣:<br>
</div>
<blockquote type="cite"
cite="mid:7ff36162.15273.181852ccbc3.Coremail.yxwang@iphy.ac.cn">
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<pre style="font-family:courier, "courier new", monospace;font-size:14px;white-space:pre-wrap;overflow-wrap:break-word;margin-top:0px;margin-bottom:0px;background-color:#FFFFFF;"><span style="font-size:18px;">Dear wien2k users,</span> </pre>
<pre style="font-family:courier, "courier new", monospace;font-size:14px;white-space:pre-wrap;overflow-wrap:break-word;margin-top:0px;margin-bottom:0px;background-color:#FFFFFF;"><span style="font-size:18px;"> In Laskowski, R., Khoo, K., Haarmann, F., and Blaha, P. (2017),the spin dipolar term of hyperfine field only has z component.According to this,I have some questions about the calculations of spin dipolar term in knight shift:</span></pre>
<pre style="font-family:courier, "courier new", monospace;font-size:14px;white-space:pre-wrap;overflow-wrap:break-word;margin-top:0px;margin-bottom:0px;background-color:#FFFFFF;"><span style="font-size:18px;"> </span></pre>
<pre style="font-family:courier, "courier new", monospace;font-size:14px;white-space:pre-wrap;overflow-wrap:break-word;margin-top:0px;margin-bottom:0px;background-color:#FFFFFF;"><span style="font-size:18px;">1.In that paper,what is the coordinates for Ga atoms?What is the relationship between this z directon and the direction of external magnetic field?</span></pre>
<pre style="font-family:courier, "courier new", monospace;font-size:14px;white-space:pre-wrap;overflow-wrap:break-word;margin-top:0px;margin-bottom:0px;background-color:#FFFFFF;"><span style="font-size:18px;">2.If I apply a external magnetic field which is not along the z direction,how can I calculate the hyperfine field?</span></pre>
<pre style="font-family:courier, "courier new", monospace;font-size:14px;white-space:pre-wrap;overflow-wrap:break-word;margin-top:0px;margin-bottom:0px;background-color:#FFFFFF;"><span style="font-size:18px;"></span> <span style="font-size:18px;">Looking forward to your reply.</span></pre>
<pre style="font-family:courier, "courier new", monospace;white-space:pre-wrap;overflow-wrap:break-word;margin-top:0px;margin-bottom:0px;background-color:#FFFFFF;"><span style="font-size:18px;"> </span></pre>
<pre style="font-family:courier, "courier new", monospace;white-space:pre-wrap;overflow-wrap:break-word;margin-top:0px;margin-bottom:0px;background-color:#FFFFFF;"><span style="font-size:18px;">Best wishes,</span></pre>
<pre style="font-family:courier, "courier new", monospace;white-space:pre-wrap;overflow-wrap:break-word;margin-top:0px;margin-bottom:0px;background-color:#FFFFFF;"><span style="font-size:18px;">Yuxin.
</span></pre>
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