Journal
JOURNAL OF CHEMICAL PHYSICS
Volume 132, Issue 19, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3396084
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Funding
- DFG through Collaborative Research Centre [716, B.1]
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We extend the Wolf direct, pairwise r(-1) summation method with spherical truncation to dipolar interactions in silica. The Tangney-Scandolo interatomic force field for silica takes regard of polarizable oxygen atoms whose dipole moments are determined by iteration to a self-consistent solution. With Wolf summation, the computational effort scales linearly in the system size and can easily be distributed among many processors, thus making large-scale simulations of dipoles possible. The details of the implementation are explained. The approach is validated by estimations of the error term and simulations of microstructural and thermodynamic properties of silica. (C) 2010 American Institute of Physics. [doi:10.1063/1.3396084]
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