Towards a quantum theory of polarization in ferroelectrics: The case of KNbO3.

Cite this paper

@article{Resta1993TowardsAQ, title={Towards a quantum theory of polarization in ferroelectrics: The case of KNbO3.}, author={Resta and Posternak and Baldereschi}, journal={Physical review letters}, year={1993}, volume={70 7}, pages={1010-1013} }