I could be wrong, but I think you just need to take the sqrt(2) of each plasma frequency:

2.074/sqrt(2) 2.074/sqrt(2) 1.264/sqrt(2)

then put them in case.inkram (not case.injoint).

You should be able to use multiple plasma frequencies in case.inkram but don't forget to add a Gamma for drude value for each of the plasma frequencies [ https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg14495.html ].

On 10/21/2017 4:29 PM, Dr. K. C. Bhamu wrote:


    ---------------------case.injoint
    xx
    xx
    1 >> correction
    2.0740 2.0740 1.2640
    xx
    -----------------------------------

    were xx means no change in lines of case.inkram.



    At page numer  164 under section "8.11 KRAM (Kramers-Kronig
    transformation) in UG"


    *"For a metal, the Plasma-frequencies (intraband transitions) for
    up and dn should be added, but then divided by√2, before using x
    kram." *

    Does it mean that we need to add all three components and then
    divide by root(2) and put a single number
    [(2.074+2.074+1.264)/root(2)=3.88] instead of all three in
    case.injoint?


    kind regards

    Bhamu

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