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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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Outline<br />

Correlation energies from <strong>the</strong> adiabatic connection<br />

fluctuation-dissipation <strong>the</strong>orem<br />

Success and failures of RPA<br />

<strong>Extending</strong> RPA <strong>with</strong> an exchange-correlation kernel<br />

- The failure of local kernels<br />

- Introducing non-locality in adiabatic kernels<br />

Results <strong>with</strong> a <strong>renormalized</strong> adiabatic kernel

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