Erratum: Zero-field optical manipulation of magnetic ions in semiconductors

Nature Materials 7, 203–208 (2008) Owing to a printing error, the character denoting exchange interaction appeared incorrectly, it should have appeared as . The corrected text is below: Page 3, second column, second paragraph: For a Heisenberg hamiltonian , where i and j label all the Mn spins in the solid at position R, and .