[Pw_forum] Pw_forum Digest, Vol 30, Issue 15

[Q.J.Wang]

Dear all 
I am very sorry that my post turn up error as to the same email send many times.
 

--

Best regards
 
Q.J.Wang
 
XiangTan University 


在2009-12-07?15:56:58，pw_forum-request at pwscf.org?写道：
>Send?Pw_forum?mailing?list?submissions?to
>	pw_forum at pwscf.org
>
>To?subscribe?or?unsubscribe?via?the?World?Wide?Web,?visit
>	http://www.democritos.it/mailman/listinfo/pw_forum
>or,?via?email,?send?a?message?with?subject?or?body?'help'?to
>	pw_forum-request at pwscf.org
>
>You?can?reach?the?person?managing?the?list?at
>	pw_forum-owner at pwscf.org
>
>When?replying,?please?edit?your?Subject?line?so?it?is?more?specific
>than?"Re:?Contents?of?Pw_forum?digest..."
>
>
>Today's?Topics:
>
>???1.?Re:?forces_bp_efield.f90?(Stefano?Baroni)
>
>
>----------------------------------------------------------------------
>
>Message:?1
>Date:?Mon,?7?Dec?2009?08:13:54?+0100
>From:?Stefano?Baroni?<baroni at sissa.it>
>Subject:?Re:?[Pw_forum]?forces_bp_efield.f90
>To:?PWSCF?Forum?<pw_forum at pwscf.org>
>Message-ID:?<38146C8F-82BD-4A15-9405-B292E77E9F67 at sissa.it>
>Content-Type:?text/plain;?charset="iso-8859-1"
>
>Dear?Q.J.?Wang,
>
>please,?consider?that?the?probability?of?getting?a?polite?and?informative?answer?to?your?posts?is?fairly?independent?of?the?number?of?times?you?send?your?post.?It?is?my?past?experience?that?the?probability?of?receiving?a?rude?and?uninformative?answer,?instead,?increases?exponentially?with?the?number?of?posts.?The?larger?the?number,?the?higher?the?chance,?the?ruder?and?less?informative?the?answer.
>
>This?being?said,?here?is?the?answer.?Hope?it?is?polite?enough,?even?though?it?may?be?not?too?informative.
>
>I?do?not?know?what?"forces_bp_efield"?does.?If,?as?it?seems,?it?deals?with?an?applied?electric?field,?it?seems?natural?to?me?that?it?only?works?(it?should?only?be?used)?for?insulators.?In?a?metal?an?applied?electric?field?is?completely?screened?by?conduction?electrons.
>
>Stefano
>
>On?Dec?7,?2009,?at?2:28?AM,?Q.J.Wang?wrote:
>
>>?Dear?all
>>??????In?the?forces_bp_efield.f90,one?part?of?code?is?as?following:
>>??????!??---?Check?that?we?are?working?with?an?insulator?with?no?empty?bands?---
>>????IF?((degauss?>?0.01d0)?.OR.?(nbnd?/=?nelec/2))?&
>>?????????WRITE?(stdout,*)?'PAY?ATTENTION:?EL?FIELD?AND?OCCUPATIONS'
>>?So?I?want?to?know?the?forces_bp_efield.f90?only?fit?to?insulator???If?my?system?is?half?metallic?,can?I?use?this?code?to?relax???If?my?system?have?odd?electrons?,how?to?set?it??
>>?
>>?
>>?
>>?--
>>?Best?regards
>>??
>>?Q.J.Wang
>>??
>>?XiangTan?University
>>??
>>?_______________________________________________
>>?Pw_forum?mailing?list
>>?Pw_forum at pwscf.org
>>?http://www.democritos.it/mailman/listinfo/pw_forum
>
>---
>Stefano?Baroni?-?SISSA??&??DEMOCRITOS?National?Simulation?Center?-?Trieste
>http://stefano.baroni.me?[+39]?040?3787?406?(tel)?-528?(fax)?/?stefanobaroni?(skype)
>
>La?morale?est?une?logique?de?l'action?comme?la?logique?est?une?morale?de?la?pens?e?-?Jean?Piaget
>
>Please,?if?possible,?don't??send?me?MS?Word?or?PowerPoint?attachments
>Why??See:??http://www.gnu.org/philosophy/no-word-attachments.html
>
>
>
>
>
>
>
>--------------?next?part?--------------
>An?HTML?attachment?was?scrubbed...
>URL:?http://www.democritos.it/pipermail/pw_forum/attachments/20091207/2c2e139c/attachment.html?
>
>------------------------------
>
>_______________________________________________
>Pw_forum?mailing?list
>Pw_forum at pwscf.org
>http://www.democritos.it/mailman/listinfo/pw_forum
>
>
>End?of?Pw_forum?Digest,?Vol?30,?Issue?15
>****************************************
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.quantum-espresso.org/pipermail/users/attachments/20091207/5986c267/attachment.html>