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Electronic Structure and Magnetism

Fundamentals of density functional theory, related approximations and numerical methods

  • relativistic theory
  • self-interaction correction
  • LSDA+U
  • Orbital polarization corrections
  • excited states
  • minimum basis methods ( FPLO code)
Fermi surface of MgCNi3

Connection of density functional and model theories

  • crystal field model
  • molecular field model
  • Heisenberg model
  • t-J model
  • Anderson model

 

Cut through the Fermi surface of PuCoGa

 

Density functional calculations

  • on different classes of materials (transistion metals, lanthanides, actinides, intermetallic compounds, cuprates, oxychlorides, borocarbides, intercalation compounds)
  • of various properties (photoemission, neutron spectra; magentic ground state and phase transitions; magneto-resistance, magneto-crystalline anisotropy, susceptibilities etc.)
  • for bulk and surfaces, ordered and disordered systems

 

Low dimensional quantum spin systems

  • exact diagonalization
  • estimation of model parameters from DFT calculations

 

Involved scientists:

 

Director

Prof. Dr. Jeroen van den Brink

IFW Dresden
Helmholzstr. 20
01069 Dresden
Germany

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