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Orbital Functionals in Current-Spin-Density-Functional Theory | N. Helbig
; S. Kurth
; S. Pittalis
; E.K.U. Gross
; | Date: |
24 May 2006 | Subject: | Materials Science | Abstract: | The description of interacting many-electron systems in external magnetic fields is presented in the framework of current-spin-density-functional theory for exchange-correlation energy functionals which are explicit functionals of two-component Kohn-Sham spinors. The integral equations for the exchange-correlation components of the scalar and vector potentials and the magnetic field are derived in the formalism of the optimized effective potential method and a simplifying approximation to these equations is suggested. Using the exact-exchange energy functional, the formalism is then applied to study a two-dimensional quantum dot in an external magnetic field. | Source: | arXiv, cond-mat/0605599 | Services: | Forum | Review | PDF | Favorites |
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