Department of Physics and Astronomy: Publications and Other Research
Date of this Version
4-7-2006
Abstract
The minus sign of the Heisenberg Hamiltonian on p. 3 should be removed since in this Letter we use the negative value to represent ferromagnetic interaction.
Comments
Published by American Physical Society. Phys. Rev. Lett. 96, 139901 (2006). http://prl.aps.org. Copyright © 2006 American Physical Society. Permission to use.