The ABINIT Users Mailing List ( CLOSED )

[Chabot Jean-Francois <jfchabot_abinit@yahoo.fr>]

Dear Hu

   if you take a look at the end of the file
Src_6response/phfrq3.f, you will find how abinit
defines the eigenvectors and the eigendisplacements.
Just be carefull here, amu_emass is defined as follow:
(Mion/Me).

Best wishes,
Jean-Francois

 --- hu010@sina.com.cn a écrit : > Dear sir,
>  
> During  the anaddb calculation I let the eivec
> parameter equal to 1 .I got the 
> Eigendisplacements.  How could  I get the
> eigenvectors? Does the square root of the mass
> multipies the eigendisplacement equal to the
> eigenvector?If it is so, and the masses is given in
> atomic mass units then what is the unit of the
> eigenvector? In addition,what controls the quality
> of the eigenvector?
> 
> Best regards,
> hu  

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