Surface and bulk energies of dipolar lattices.

  title={Surface and bulk energies of dipolar lattices.},
  author={Toor and Megan Halsey},
  journal={Physical review. A, Atomic, molecular, and optical physics},
  volume={45 12},
We calculate the field due to lines and planes of dipoles, and use this to calculate the bulk and surface energies of various dipolar-lattice structures. The calculation technique is simpler than traditional Ewald methods, and is well suited to surface-energy calculations. We find strongly anisotropic surface energies for the lattices; the more closely packed lattices have negative surface energies for directions approximatively parallel to the dipolar axis. These results should be applicable… CONTINUE READING

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