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Hohenberg-Kohn theory in the presence of magnetic field
  Molecular Physics seminar

Monday 02 June 2014
from 13:00 to 14:00
at FA 31
Speaker : André Laestadius (Applied Mathematics (KTH))
Abstract : In the first attempt to generalize the Hohenberg-Kohn theory to include magnetic fields in the formalism, Vignale and Rasolt tried to prove a Hohenberg-Kohn using the particle and paramagnetic current density. Later, however, Vignale and Capelle noted that the proof was in error. Indeed, a wavefunction can be the ground-state of two different Hamiltonians, a complication not present in the classical Hohenberg-Kohn theory. In this talk some recent progress in Current Density Functional Theory will be explored. This includes: (i) general one-to-one correspondence between the set of ground-states and particle and paramagnetic current density, (ii) extension to N-representable densities and (iii) generalized Kohn-Sham theory.

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