[Ifeffit] Modelling texture in Artemis

Matt Newville newville at cars.uchicago.edu
Mon Aug 20 06:49:08 CDT 2018

Hi Kristine,

On Mon, Aug 20, 2018 at 5:36 AM Kirstine Dalgaard <kjd at inano.au.dk> wrote:

> Dear Matt
> Thank you for the advice. I could figure it out myself, if I know how the
> POLARIZATION parameter is interpreted or defined.
> Where can I find that information? I found this on my own:
> "This card specifies the direction of the electric field of the incident
> beam, or the main axis of the ellipse in the case of elliptical
> polarization. x, y, z are the coordinates of the nonzero polarization vector
> "
> But I lack a definition of the coordinate system - the polarization
> direction with respect to what, exactly?

With respect to the coordinate system used by the cluster of atoms.

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