<div>Dear all users,</div> <div> </div> <div>I have 2 questions:</div> <div>1. what is the unit of <STRONG>(electronic) dielectric tensor</STRONG> in .dynG output file; for example:</div> <div> </div> <div>"<EM>Dielectric Tensor:</EM></div> <div><EM> 6.197084791261 0.000000000000 0.000000000000<BR> 0.000000000000 6.197084791261 0.000000000000<BR> 0.000000000000 0.000000000000 5.774979436500</EM>"</div> <div> </div> <div>2. As I know, in the .dynG file <STRONG>masses</STRONG>
are in <STRONG>atomic rydberg units</STRONG> (mass of one electron = 0.5); <STRONG>eigendisplacements</STRONG> are in units of <STRONG>masses^(-1/2).</STRONG> If so, I want to calculate the phonon contribution dielectric constant; which units of <STRONG>phonon frequencies</STRONG> (omega) I should chose?</div> <div> </div> <div>Thank you very much.</div> <div>Ong Phuong Vu </div><p>
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