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cond-mat1995★ 212 cited
Stability of periodic domain structures in a two-dimensional dipolar model
Kwok-On Ng, David Vanderbilt
We investigate the energetic ground states of a model two-phase system with 1/r^3 dipolar interactions in two dimensions. The model exhibits spontaneous formation of two kinds of p…
cond-mat1994★ 693 cited
Phase transitions in BaTiO from first principles
W. Zhong, David Vanderbilt, K. M. Rabe
We develop a first-principles scheme to study ferroelectric phase transitions for perovskite compounds. We obtain an effective Hamiltonian which is fully specified by first-princip…