Kotliar, GabrielSavrasov, Sergej Y.Yang, Imseok2004-12-032004-12-0320012001http://hdl.handle.net/2003/168110.17877/DE290R-11459enThe American Physical SocietyPhysical Review Letters530Importance of Correlation Effects on Magnetic Anisotropy in Fe and Ni10.1103/PhysRevLett.87.216405article (journal)