<div dir="ltr">Dear all,<div><br></div><div>Hope you are doing well.</div><div><br></div><div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">During my calculations, I've faced a strange thing. My considered system is a 2D sheet which is placed on TiO2 surface. I've calculated a band structure of the mentioned system and in the absence of spin-orbit interaction everything was normal but after turning the spin-orbit interaction on, bands above Fermi level becomes toothed and noisy while bands in below of Fermi level are normal.<span> </span></span><span class="gmail-gr_ gmail-gr_1423 gmail-gr-alert gmail-gr_gramm gmail-gr_inline_cards gmail-gr_run_anim gmail-Grammar gmail-multiReplace" id="gmail-1423" style="display:inline;color:rgb(34,34,34);font-size:small;border-bottom:2px solid transparent;background-repeat:no-repeat;font-family:arial,sans-serif;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial">At</span><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><span> </span>the end, I should mention that in my calculations in the presence of spin-orbit interaction the number of bands is about 600 (<span> </span></span><span class="gmail-gr_ gmail-gr_1414 gmail-gr-alert gmail-gr_spell gmail-gr_inline_cards gmail-gr_run_anim gmail-ContextualSpelling gmail-ins-del gmail-multiReplace" id="gmail-1414" style="display:inline;color:rgb(34,34,34);font-size:small;border-bottom:2px solid transparent;background-repeat:no-repeat;font-family:arial,sans-serif;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial">nbnd</span><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">  = 580). Would you do me a favor by providing me with a guidance to fix this issue? it would be a great help and I'll appreciate it.</span><br></div><div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><br></span></div><div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">Bests,</span></div><div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">Riemann</span></div><div><br></div><div> <br clear="all"><div><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><font face="arial, helvetica, sans-serif">-- <br>Physics Department of Damghan University <br>Tel : +98 938 903 6759<br>P.O.Box:36716-41167<br>Damghan, Iran</font></div></div></div></div></div></div></div></div></div></div></div>
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