<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">Dear Manoj,<br>Thank you very much. I will try to understand both f90 files. And contact you as any query arise again..<br><pre>Best regards<br>Sagar Ambavale<br>Research student<br>The M.S. University of Baroda<br>India<br></pre><br><br>--- On <b>Sat, 4/10/08, Manoj Srivastava <i><manoj@phys.ufl.edu></i></b> wrote:<br><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;">From: Manoj Srivastava <manoj@phys.querries about pwcond<br>To: "ambavale sagar" <sagarambavaleufl.edu><br>Subject: Re: [Pw_forum] some @yahoo.co.in><br>Cc: "pwforum que-ans" <pw_forum@pwscf.org><br>Date: Saturday, 4 October, 2008, 10:38 PM<br><br><pre>Dear Sagar, <br> i am attempting to answer one of the questions raised by you. I am not<br>entirely sure about the answer, I am just telling you what i have<br>understood and i
am hoping somebody in the forum could correct me, if I am<br>wrong. <br><br>On Sat, 4 Oct 2008, ambavale sagar wrote:<br><br>> Dear all,<br>> I have some queries about pwcond input file.<br>> <br>> 1.how k-perpendicular points are defined. (can you give any example except<br>'number of k-perpendicular points = 1' used in example 12) <br>> 2. How weight is defined here for k-points? maximum weight?<br> <br> If the number of K point is one. You can choose any weight you like, it<br>normalizes to one. if you look at the file do_cond.f90 under PWCOND, you<br>would get the idea. I have never done any calculation with more than 1<br>k point, so i have not thought about that yet. <br> > 3.how ecut2D (2-D cut off) it effects the calculation. ><br> <br> ecut2D determines how many 2D reciprocal space vectors (G) (ngper)you<br>will be using in the calculation,|G+k|^2<ecut2d. So, yourc alcultion would<br>depend on the cutoff, but once a
you have chosen high enough cutoff for<br>energy, so that you have enough Gper, choosing higher cutoff should not<br>change calculation much. Have a look at init_gper.f90 file for more<br>details.<br> <br>Regards, <br>Manoj Srivastava <br>Ph.D. Student <br>Department of Physics<br>University of Florida <br>Gainesville, FL <br>USA<br><br>> Best regards<br>> Sagar Ambavale<br>> Research student<br>> The M.S. University of Baroda<br>> <br>> <br>> <br><br><br> Add more friends to your messenger and enjoy! Go to<br>http://messenger.yahoo.com/invite/<br><br></pre></blockquote></td></tr></table><br>
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