Abstract
We show that quantum-mechanical molecular-dynamics simulations in a finite-temperature local-density approximation based on the calculation of the electronic ground state and of the Hellmann-Feynman forces after each time step are feasible for liquid noble and transition metals. This is possible with the use of Vanderbilt-type ``ultrasoft'' pseudopotentials and efficient conjugate-gradient techniques for the determination of the electronic ground state. Results for liquid copper and vanadium are presented.
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Publication Info
- Year
- 1993
- Type
- article
- Volume
- 48
- Issue
- 17
- Pages
- 13115-13118
- Citations
- 7803
- Access
- Closed
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Identifiers
- DOI
- 10.1103/physrevb.48.13115