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|Author(s):||Paul N. Patrone; T L. Einstein;|
|Title:||Anisotropic surface-state-mediated RKKY interaction between adatoms|
|Published:||January 18, 2012|
|Abstract:||Motivated by recent numerical studies of Ag on Pt(111), we derive a far-field expression for the RKKY interaction mediated by surface states on a (111) FCC surface. The main contribution to the interaction comes from electrons whose Fermi velocity is parallel to the vector connecting the interacting adatoms. The interaction is oscillatory; the amplitude and wavelength of oscillations have angular dependence, which is directly related to the anisotropy of the surface state dispersion relation.|
|Citation:||Physical Review B|
|Keywords:||Surface State, RKKY, Anisotropy, Stationary Phase|
|Research Areas:||Nanotech/Environment, Health & Safety|
|PDF version:||Click here to retrieve PDF version of paper (1MB)|