Exchange-correlation vector potentials and vorticity-dependent exchange-correlation energy densities in two-dimensional systems

Details Exchange-correlation vector potentials and vorticity-dependent exchange-correlation energy densities in two-dimensional systems Exchange-correlation vector potentials and vorticity-dependent exchange-correlation energy densities in two-dimensional systems

2003-08-14

arxiv.org/abs/cond-mat/0308269v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 figures, submitted to PRB

Scientific paper

10.1103/PhysRevB.69.155302

We present a new approach how to calculate the scalar exchange-correlation potentials and the vector exchange-correlation potentials from current-carrying ground states of two-dimensional quantum dots. From these exchange-correlation potentials we derive exchange-correlation energy densities and examine their vorticity (or current) dependence. Compared with parameterizations of current-induced effects in literature we find an increased significance of corrections due to paramagnetic current densities.

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