Extending the random phase approximation with renormalized ...
Extending the random phase approximation with renormalized ...
Extending the random phase approximation with renormalized ...
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Instead we take<br />
=[ rALDA<br />
f Hx<br />
Spin<br />
V r rALDA<br />
[n↑+n ↓]+2f x [n↑+n ↓] V r [n ↑+n↓] V r [n↑+n ↓] V r [n ↑+n↓]+2f x<br />
rALDA [n↑+n ↓]]<br />
This breaks spin-scaling for <strong>the</strong> kernel and it cannot be regarded<br />
as pure exchange<br />
The choice is not unique!