[Wannier] about Amn

joseph99077@yahoo.com.tw joseph99077@yahoo.com.tw
Tue, 22 May 2007 22:10:12 +0800 (CST)


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hello
       I got a question about the matrix Amn.  in the pwscf package, we can generate Mmn and Amn. there is a term in the source code pw2wannier90.f90 around line 1090 , amn = ZDOTC(npw,evc(1,ibnd),1,sgf(1,iw),1). Can you please explain more about what kind of role do evc and sgf play in this statement.  From the user guide, I would say it's the inner product of Bloch states and trail functions. so, is sgf the trail function? ( I hope this question is not beyond the scope of the website.).  
       I hope that you can tell me how to generate wannier functions from the wannier package which you provided.  
      have a good day.



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hello<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; I got a question about the matrix Amn.&nbsp; in the pwscf package, we can generate Mmn and Amn. there is a term in the source code pw2wannier90.f90 around line 1090 , amn = ZDOTC(npw,evc(1,ibnd),1,sgf(1,iw),1). Can you please explain more about what kind of role do evc and sgf play in this statement.&nbsp; From the user guide, I would say it's the inner product of Bloch states and trail functions. so, is sgf the trail function? ( I hope this question is not beyond the scope of the website.).&nbsp; <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; I hope that you can tell me how to generate wannier functions from the wannier package which you provided.&nbsp; <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; have a good day.<br><br><br><p>&#32;


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