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present - Theory Department of the FHI

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Objective: Electronic structure <strong>the</strong>ory today<br />

Enormous successes:<br />

(Bio)molecular matter<br />

• Structural complexity<br />

• statistical averages & dynamics<br />

• “weak” interactions critical<br />

Graphene / SiC<br />

Condensed phases<br />

(solids, surfaces, ...)<br />

• Structure!<br />

• Stability, free energies<br />

Ta3W3<br />

Ta4W9<br />

• electronic, mechanical, optical, ... properties<br />

Today: “Mostly density-functional <strong>the</strong>ory”, plenty <strong>of</strong> flavors<br />

Matter at extreme conditions<br />

• “electron gas + protons”; high-pressure compounds, transitions<br />

• (Born-Oppenheimer) molecular dynamics, classical nuclei<br />

• Quantum nuclei? (PIMD)

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