Hi Sonu,<br><br>Thank you so much!<br><br><div class="gmail_quote">On Fri, Sep 21, 2012 at 9:12 PM, Sonu Kumar <span dir="ltr"><<a href="mailto:1009ukumar@gmail.com" target="_blank">1009ukumar@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Caloma,<div><br></div><div>A good for group theory is :</div><div><br></div>Space groups for solid state scientists,<br>
by Gerald Burns, Anthony Michael Glazer.<div><br></div><div>good luck</div><div><br></div><div>regards,</div>

<div>sonu</div><div><br><div>==========================================<br>Sonu Kumar<br>Phd Student,Physics Department<br>Indian Institute of Technology ,Delhi-110016, India<div>web:-<a href="http://www.iitd.ac.in/" target="_blank">http://www.iitd.ac.in/</a><br>



==========================================<br></div><br>
<br><br><div class="gmail_quote"><div><div class="h5">On Sat, Sep 22, 2012 at 2:11 AM, Caloma Trumica <span dir="ltr"><<a href="mailto:spmmal@gmail.com" target="_blank">spmmal@gmail.com</a>></span> wrote:<br></div>
</div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5">

Dear All,<br><br>I found it is difficult to understand some routine like "set_irr", which shows how to obtain the irreducible representations involved in phonon calculations.<br><br>Could you please recommend some textbook or references related with the crystal symmetry.<br>



<br>Thank you very much!<span><font color="#888888"><br><br>Caloma<br>
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