Dear Marcos,

Thank you so much for providing me so detail clues.I know indeed there are 
explainations on the two Flags!But I am sorry to understand them clearly!

Thank you again for help me !

I will turn to the books you referred!



--

BEST REGARDS!
 
          Guangping Zhang
        Atom and Melecular Physics
      Physics and Electronics College
       Shandong Normal University
        Shandong,Jinan,China
在2010-03-08?23:00:32,"Marcos?Veríssimo?Alves"?<[email protected]>?写道:
>To?get?the?idea?of?the?EnergyShift,?try?reading?one?of?the?appendixes
>of?the?first?chapter?of?Cohen-Tannoudji's?book?"Quantum?Mechanics".?I
>think?it's?the?third?appendix?of?the?first?chapter.?For?the?meaning?of
>MeshCutoff,?it?could?be?present?(although?not?explicitly)?in?Richard
>Martin's?book?"Electronic?Structure".?Are?you?sure?these?things?aren't
>explained?either?in?the?siesta?manual?or?in?the?papers?on?siesta?
>
>Marcos
>
>On?Mon,?Mar?8,?2010?at?2:26?PM,?Guangping?Zhang?<[email protected]>?wrote:
>>?Hi,
>>?Can?anyone?explain?me?PAO.EnergyShift?and?MeshCutoff?in?detail??I?have
>>?turned?to?many?stuffs.But?now?I?yet?can?not?understand?it?clearly!
>>
>>?THANKS?IN?ADVANCE?!

Responder a