Phys. Rev. Lett. 61, 1631–1634 (1988)Variational Quantum Monte Carlo Nonlocal Pseudopotential Approach to Solids: Cohesive and Structural Properties of DiamondReceived 3 June 1988; published in the issue dated 3 October 1988 A new method of calculating total energies of solids which uses nonlocal pseudopotentials in conjunction with the variational quantum Monte Carlo approach is presented. By use of pseudopotentials, the large fluctuations of the energies in the core region of the atoms which occur in quantum Monte Carlo all-electron calculations are avoided. The method is applied to calculate the binding energy and structural properties of diamond. The results are in excellent agreement with experiment. © 1988 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.61.1631
DOI:
10.1103/PhysRevLett.61.1631
PACS:
71.20.Ad, 61.50.Lt
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