<div dir="ltr"><div>This is in continuation to my previous email about -sp+-so (final answer on that email is still needed).</div><div><br></div><div><br></div>meanwhile, I have calculated plasma frequency for a metal case and I got below (case is -sp+-so):<br><br><div><br></div><div><div><div><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><span style="font-size:12.8px"> Plasma frequencies: <br><br> !!! WARNING: w_pl = sqrt( w_pl^2(up-spin) + w_pl^2(dn-spin) )!!!<br><br> w_p_xx w_p_yy w_p_zz [eV]<br><br> 2.0740 2.0740 1.2640<br><br></span></div><div><span style="font-size:12.8px">So the format of my case.inkram should be</span></div><div><span style="font-size:12.8px">---------------------case.injoint<br></span></div><div><span style="font-size:12.8px">xx</span></div><div><span style="font-size:12.8px">xx</span></div><div><span style="font-size:12.8px">xx</span></div><div><span style="font-size:12.8px"><span style="font-size:12.8px">2.0740 2.0740 1.2640 <br></span></span></div><div>xx</div><div>-----------------------------------<br></div><div><br></div><div>were xx means no change in lines of case.inkram. <br></div><div> <br></div><div><span style="font-size:12.8px"><span style="font-size:12.8px"></span></span></div><div dir="ltr"><span style="font-size:12.8px"><br></span></div><div dir="ltr"><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px">At page numer 164 under section "</span><span style="font-size:12.8px">8.11 KRAM (Kramers-Kronig transformation) in UG"</span></div><div dir="ltr"><span style="font-size:12.8px"><br></span></div><div dir="ltr"><br><b><span style="font-size:12.8px">"For a metal, the <span class="gmail-highlight">Plasma</span>-frequencies (intraband transitions) for up and dn should be added,</span> but then divided by√2, before using x kram." </b></div><div dir="ltr"><br></div><div>Does it mean that we need to add all three components and then divide by root(2) and put a single number [(2.074+2.074+1.264)/root(2)=3.88] instead of all three in case.injoint?</div><div><br></div><div><br></div><div>kind regards</div><div><br></div><div>Bhamu<br></div><div><br></div></div></div></div></div></div></div></div></div>
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