[Wien] Final state effects in photoemission

[Michael Gurnett]

yes. Using Slater transition states. remove half an electron from the atom
in question. Then add this half electron back in mixer. Do a search in the
older messages for slater transition and you should find what your looking
for

Mick
----- Original Message ----- 
From: "Lukasz Plucinski" <pluto at buphy.bu.edu>
To: <wien at zeus.theochem.tuwien.ac.at>
Sent: Wednesday, December 03, 2003 10:04 PM
Subject: [Wien] Final state effects in photoemission


> Hello All,
>
> Is it possible to obtain information on final state effect in
> photoemission from WIEN2k calculations (shifts in binding energies)?
>
> Let me explain: intial state of photoemission is (in simplest view
> everybody is using) a ground state of the system, in WIEN2k this system is
> e.g. a slab. Final state of photoemission is the same slab but lacking one
> electron.
>
> The goal is to get initial state binding energies from the photoemission
> data. Its not trivial, maybe WIEN2k could help getting some estimations. I
> am talking about core levels, in valence band 'screening of the photohole
> is almost perfect and therefore the final state energy equals the initial
> state one-electron energy' (Huefner 'Photoelectron Spectroscopy',
> Springer, 1996).
>
> Please comment - and possibly give some hint...
>
> Regards,
>
> Lukasz
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