<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman, new york, times, serif;font-size:12pt"><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><br> <div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><br><div><div>On Oct 15, 2006, at 7:03 PM, Eyvaz Isaev wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-indent: 0px; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px;"><div style="font-family: times new roman; font-size: 16px;"><div style="font-family: times new roman; font-size: 16px;"><span class="Apple-style-span"
style="font-family: times new roman; font-size: 16px;"> Hi, </span><br style="font-family: times new roman; font-size: 16px;"><br style="font-family: times new roman; font-size: 16px;"><div style="font-family: times new roman; font-size: 16px;"><div style="font-family: times new roman; font-size: 16px;"><div style="margin: 0cm 0cm 0pt; font-family: times new roman; font-size: 16px;"><span lang="EN-US"><font face="Times New Roman"><span style="font-family: Times New Roman; font-size: 16px;"><span class="Apple-style-span" style="font-family: Times New Roman; font-size: 16px;"> </span></span><span class="Apple-style-span" style="font-family: Times New Roman; font-size: 16px;">Maybe I have not illustrate problem clearly.</span></font></span></div><div style="margin: 0cm 0cm 0pt; font-family: times new roman; font-size: 16px;"><span lang="EN-US"><font face="Times New Roman"><span class="Apple-style-span" style="font-family: Times New Roman; font-size:
16px;">I want to perform EPC calculation on a supercell.</span></font></span></div><div style="margin: 0cm 0cm 0pt; font-family: times new roman; font-size: 16px;"><span lang="EN-US"><font face="Times New Roman"><span class="Apple-style-span" style="font-family: Times New Roman; font-size: 16px;"> Take NaCl as a example,</span></font></span></div><div style="margin: 0cm 0cm 0pt; font-family: times new roman; font-size: 16px;"><br style="font-family: times new roman; font-size: 16px;"><span lang="EN-US"></span></div><div style="margin: 0cm 0cm 0pt; font-family: times new roman; font-size: 16px;"><span lang="EN-US"><font face="Times New Roman"><span class="Apple-style-span" style="font-family: Times New Roman; font-size: 16px;">The example looks meaningless, NaCl is an insulator. <br></span></font></span></div></div></div></div></div></span></blockquote><div><br class="khtml-block-placeholder"></div>don't phonons interact with electrons in insulators?</div><div><br>Hi
Stefano, <br><br>Of course, they do, but it seemed to me that there was an intention to calculate \lambda. <br>It might be that I missed something but I never hurd that NaCl is a superconductor . Just in this context I suggested that it is "meaningless".<br><br>Bests,<br>Eyvaz.<br> </div></div><br></div></div><br></body></html>