Hierarchy of Self-Consistent Approximate Methods and the Parquet ...
Hierarchy of Self-Consistent Approximate Methods and the Parquet ...
Hierarchy of Self-Consistent Approximate Methods and the Parquet ...
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esult<br />
3<br />
−Σ<br />
2<br />
1<br />
Hartree<br />
2nd-order<br />
self-consistent 2nd-order<br />
FLEX<br />
parquet approximation<br />
exact<br />
0<br />
0 5 10 15 20 25 30<br />
g<br />
• from 2nd-order approximation, FLEX, to parquet approximation, <strong>the</strong> results become better.<br />
<strong>Hierarchy</strong> <strong>of</strong> <strong>Self</strong>-<strong>Consistent</strong> <strong>Approximate</strong> <strong>Methods</strong> <strong>and</strong> <strong>the</strong> <strong>Parquet</strong> Formalism 36
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