Record Details

Title:
Spin and orbital exchange interactions from dynamical mean field theory
Affiliation(s):
EuXFEL staff, Other
Author group:
Theory
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Topic:
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Abstract:
We derive a set of equations expressing the parameters of the magnetic interactions characterizing a strongly correlated electronic system in terms of single-electron Green's functions and self-energies. This allows to establish a mapping between the initial electronic system and a spin model including up to quadratic interactions between the effective spins, with a general interaction (exchange) tensor that accounts for anisotropic exchange, Dzyaloshinskii–Moriya interaction and other symmetric terms such as dipole–dipole interaction. We present the formulas in a format that can be used for computations via Dynamical Mean Field Theory algorithms.
Imprint:
Elsevier, 2016
Journal Information:
Journal of Magnetism and Magnetic Materials, 400, 112-116 (2016)
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Language(s):
English


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 Record created 2018-07-13, last modified 2018-12-19

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