<div dir="ltr"><span id="result_box" class="" lang="en"><span class="hps">Hello</span> <span class="hps">dear</span> <span class="hps">developers and users</span> <br><span class="hps">I</span> <span class="hps">have two questions for</span> <span class="hps">developers</span> <span class="hps">CP2K</span><span>:</span> <br><span class="hps">1)</span> <span class="hps">I ask is</span> <span class="hps">that</span> <span class="hps atn">"</span><span>OPTICAL_CONDUCTIVITY</span><span>" section</span> <span class="hps">is active or</span> <span class="hps">not</span> <br><span class="hps">2)</span> <span class="hps">I calculated</span> <span class="hps">the absorption</span> <span class="hps">of</span> <span class="hps">materials</span> <span class="hps">in</span> </span><span id="result_box" class="" lang="en"> <span class="hps">using the </span></span><span id="result_box" class="" lang="en"><span class="hps">RTP</span> <span class="hps">real time</span> <span class="hps">propagation</span> <span class="hps">for the</span> <span class="hps">electron</span> <span class="hps">dynamics</span><span>,</span> <span class="hps">is</span> <span class="hps">that</span> <span class="hps">I can get the</span> <span class="hps">epsilon2</span> <span class="hps">or transmittance</span> <span class="hps">based</span> <span class="hps">on the vectors</span> <span class="hps">of the dipole moment</span> <span class="hps">in</span> <span class="hps">RTP</span> <br><span class="hps">thank you</span> <span class="hps">very much</span></span></div>