118 citations · 340 across the 8 of their papers we have counts for
7 papers
On the validity of power functionals for the homogeneous electron gas in reduced.density-matrix-functional theory
A. Putaja, F. G. Eich, T. Baldsiefen +1
Physically valid and numerically efficient approximations for the exchange and correlation energy are critical for reduced density-matrix functional theory to become a widely used…
Giant vortices in rotating electron droplets
E. Rasanen, H. Saarikoski, Y. Yu +3
We predict the formation of giant vortices in quasi-two-dimensional quantum dots at high magnetic fields, i.e., in rapidly rotating electron droplets. Our numerical results of quan…
Impurity effects in quantum dots: Towards quantitative modeling
E. Rasanen, J. Konemann, R. J. Haug +2
We have studied the single-electron transport spectrum of a quantum dot in GaAs/AlGaAs resonant tunneling device. The measured spectrum has irregularities indicating a broken circu…
Rectangular quantum dots in high magnetic fields
E. Räsänen, A. Harju, M. J. Puska +1
We use density-functional methods to study the effects of an external magnetic field on two-dimensional quantum dots with a rectangular hard-wall confining potential. The increasin…
Broken Symmetry in Density-Functional Theory: Analysis and Cure
A. Harju, E. Rasanen, H. Saarikoski +3
We present a detailed analysis of the broken-symmetry mean-field solutions using a four-electron rectangular quantum dot as a model system. Comparisons of the density-functional th…
Electronic structure of rectangular quantum dots
E. Räsänen, H. Saarikoski, V. N. Stavrou +3
We study the ground state properties of rectangular quantum dots by using the spin-density-functional theory and quantum Monte Carlo methods. The dot geometry is determined by an i…