<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Dear Professor Baroni<br><br>Sorry if my question is so trivial. <br>I think Reciprocal space is Fourier transform of the real space so as theIFCs.<br>When we calculate Harmonic IFCs there is a command called q2r.x which converts reciprocal space IFCs to real space by taking Fourier Transform .<br>
But in the case of harmonic IFCs this is not the case. For my work i need an-harmonic IFCs in real space that whys i wanted to know whether Quantum espresso calculates those in real space or reciprocal space. <br><br><br>
<br>Thanks a lot for your response<br><br><br><br><br><br>Regards<br>Tribhuwan<br><br><div class="gmail_quote"><br><br><br><br><br><br><br>On Tue, Jan 31, 2012 at 7:02 AM, Stefano Baroni <span dir="ltr"><<a href="mailto:baroni@sissa.it">baroni@sissa.it</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div bgcolor="#FFFFFF"><div>I beg your pardon? What is the difference between a "real-space" and a "reciprocal-space" lifetime? SB<br>
<br>--<div>Stefano Baroni, Trieste -- swift message written and sent on the go</div></div><div><div class="h5"><div><br>On 30/gen/2012, at 16:06, Tribhuwan Pandey <<a href="mailto:tribhuwan.physics@gmail.com" target="_blank">tribhuwan.physics@gmail.com</a>> wrote:<br>
<br></div><div></div><blockquote type="cite"><div>Hi all,<br> I am calculating phonon life time using D3 code.So i want to know that whether those life time are in reciprocal space or in real space.<br><br><br><br>
any help in this regard will be appreciated<br><br>
<br clear="all"><br>-- <br><br>Best<br>Tribhuwan<br><i>IISC <br><br><br><b>With Regards<br>Tribhuwan Pandey<br>Research Scholar<br>Indian Institute of Science, Bangalore, India<br><br><br><br></b></i><br>
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<i><br><b>With Regards<br>Tribhuwan Pandey<br>Research Scholar<br>Indian Institute of Science, Bangalore, India<br><br><br><br></b></i><br>
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