Abstract
We show that the dipole-dipole interactions can lead to a spontaneous polarization of quantum dots. For a square lattice of dots we find that the phase transition into the polarized state is of the second order, and leads to an antiferroelectric arrangement.
- Received 26 November 1990
DOI:https://doi.org/10.1103/PhysRevB.43.9343
©1991 American Physical Society