Ebert - Psi-k
Ebert - Psi-k
Ebert - Psi-k
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Ludwig<br />
Maximilians-<br />
Universität<br />
München<br />
CPA condition<br />
Embedding of an A- or B-atom into the CPA-medium – in<br />
the average – should not give rise to additional<br />
scattering<br />
x A + x B =<br />
x A τ nn<br />
A<br />
+ x Bτ nn<br />
B<br />
= τ nn<br />
CP A<br />
with the projected scattering path operator τ nn<br />
α<br />
τ nn<br />
α<br />
= τ nn<br />
CP A<br />
[<br />
1 +<br />
(<br />
t −1<br />
α<br />
)<br />
− t−1 CP A<br />
] −1<br />
τ nn<br />
CP A<br />
KKR07 – p.50/100