<br>Thanks very much for your very kind help!<br><br><blockquote name="replyContent" class="ReferenceQuote" style="padding-left:5px;margin-left:5px;border-left:#b6b6b6 2px solid;margin-right:0">-----原始邮件-----<br>
<b>发件人:</b><span id="rc_from">"Ludwig, Stephan" <stephan.ludwig@pi1.physik.uni-stuttgart.de></span><br>
<b>发送时间:</b><span id="rc_senttime">2015-04-17 20:52:28 (星期五)</span><br>
<b>收件人:</b> "pw_forum@pwscf.org" <pw_forum@pwscf.org><br>
<b>抄送:</b> <br>
<b>主题:</b> [Pw_forum] uniform k-point grid with option 'automatic'??<br><br>
<p style="padding: 0; margin: 0;" constructor="function Object() {
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}"><span data-mce-bogus="true" id="_mce_caret"><span data-mce-style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;" style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;">Hi,<br></span></span></p><p style="padding: 0; margin: 0;" constructor="function Object() {
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}"><span data-mce-style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;" style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;"><br data-mce-bogus="1"></span></p><p style="padding: 0; margin: 0;" constructor="function Object() {
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}"><span data-mce-style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;" style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;">I have a question concerning the option 'automatic' for k_point card:<br data-mce-bogus="1"></span></p><p style="padding: 0; margin: 0;" constructor="function Object() {
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}"><span data-mce-style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;" style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;">In order to use the epsilon.x postprocessing tool I need a uniform k-point grid. In the manual for epsilon.x (http://web.mit.edu/espresso_v5.0.1/i386_linux26/espresso-5.0.1/PP/Doc/eps_man.pdf)<br data-mce-bogus="1"></span></p><p style="padding: 0; margin: 0;" constructor="function Object() {
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}"><span data-mce-style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;" style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;">it is said that the option automatic is not suitable:<br data-mce-bogus="1"></span></p><p style="padding: 0; margin: 0;" constructor="function Object() {
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}" style="padding: 0; margin: 0;" data-mce-style="padding: 0; margin: 0;"><span data-mce-bogus="true" id="_mce_caret"><span data-mce-style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;" style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;"></span></span>Epsilon.x doesn’t support the reduction of the k-points grid into the unreducible Brillouin zone, so the previous PW runs must be performed with a uniform k-points grid and all k-points weights</p><p hasownproperty="function hasOwnProperty() {
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}" style="padding: 0; margin: 0;" data-mce-style="padding: 0; margin: 0;"> must be equal to each other, i.e. in the k-points card the k-points coordinates must be given manually in crystal or alat or bohr , but not with the automatic option.</p><p hasownproperty="function hasOwnProperty() {
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